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IBM cloud computing | cast iron integration aims reduce time effort needed customized coding favor simple workload provisioning tivoli management framework.the ibm public cloud offering smartcloud enterprise launched april .sce hosted iaas service level agreements slas offered private public hybrid model.environment hosted ibm servers syste... |
IBM cloud computing | workload deployer connects enterprises existing servers virtualization components middleware order help deploy standardized virtual machines designed ibm.for customers prefer perform integration private clouds ibm offers choice hardware software building blocks along recommendations reference architecture prior deploym... |
IBM cloud computing | ibms ccra based realworld input many cloud implementations across ibm.intended used blueprintguide architecting cloud implementations driven functional nonfunctional requirements respective cloud implementation.hp microsoft also published cloud computing reference architectures.within iaas space ibm member cloud manage... |
IBM cloud computing | toscas goal advance interoperability standard make easier deploy cloud applications without vendor lockin maintaining application requirements security governance compliance.ibm participates number cloud security related standards including dmtf cloud auditing data federation cadf working group oasis identity cloud idc... |
Extensible Storage Engine | configuration maintenance user interface applications utilities windows server components file systems core components services list allinclusive.directx directddirectdrawdirectinputdirectmusicdirectplaydirectshowdirectsounddirectx media objectsdirectx plugindirectx video acceleration networking administrative sharedis... |
Extensible Storage Engine | ese caches data intelligently ensure high performance access data.addition ese lightweight making suitable auxiliary applications.the ese runtime esent.dll shipped every windows release since windows native x version ese runtime shipping x versions windows xp windows server .microsoft exchange exchange shipped bit edit... |
Extensible Storage Engine | ese database looks like single file windows.internally database collection kb pages kb page options available windows exchange arranged balanced btree structure.pages contain metadata describe data contained within database data indexes persist interesting orders data information.information intermixed within database ... |
Extensible Storage Engine | applications use single instance applications also use multiple instances.importance instance associates single recovery log series one databases.currently user databases may attached ese instance time.separate process using ese may ese instances.a database portable detached one running ese instance later attached diff... |
Extensible Storage Engine | database cannot copied actively used since ese opens database files exclusively.database may physically reside device supported directly addressable io operations windows.tables table homogeneous collection records record set columns.table identified table name whose scope local database table contained.amount disk spa... |
Extensible Storage Engine | tables grow automatically response data creation.tables one indexes.must least one clustered index record data.clustered index defined application artificial index used orders clusters records chronological order record insertion.indexes defined persist interesting orders data allow sequential access records index orde... |
Extensible Storage Engine | insert update operation causes page overflow page split new page allocated logically chained two previously adjacent pages.since new page physically adjacent logical neighbors access efficient.ese online compaction feature recompacts data.table expected frequently updated space may reserved future insertions specifying... |
Extensible Storage Engine | records columns record associated set column values.records inserted updated via update operations deleted via delete operations.columns set retrieved via setcolumns retrievecolumns operations respectively.maximum size record bytes kilobyte pages exception long value columns.column types longtext longbinary contribute ... |
Extensible Storage Engine | long value reference stored record bytes inrecord data required.long values may gigabytes gb size.records typically uniform record set values set columns.ese also possible define many columns table yet given record contain small number nonnull column values.sense table also collection heterogeneous records.ese supports... |
Extensible Storage Engine | following data types supported ese column types fixed variable tagged columns ese table define fixed length columns variable length columns tagged columns.fixed columns essentially columns take amount space record regardless value.fixed columns take bit represent nullity column value fixed amount space record column la... |
Extensible Storage Engine | tagged columns set record instance tagged column takes approximately bytes space addition size tagged column instance value.number instances single tagged column large overhead per tagged column instance approximately bytes.tagged columns ideal sparse columns take space whatsoever set.multivalued tagged column indexed ... |
Extensible Storage Engine | internal representation two column categories different important understand trade offs column categories.fixed variable columns typically represented every record even occurrence null value.columns quickly addressed via offset table.tagged column occurrences preceded column identifier column located binary searching s... |
Extensible Storage Engine | stored separate btree clustered index keyed long value id byte offset.ese supports append byte range overwrite set size columns.also ese single instance store feature multiple records may reference large binary object though record copy information i.e.without interrecord locking conflicts.maximum size long text long b... |
Extensible Storage Engine | version autoincrement escrow columns version columns automatically incremented ese time record containing column modified via update operation.column cannot set application read.applications version columns include used determine inmemory copy given record needs refreshed.value table record greater value cached copy ca... |
Extensible Storage Engine | columns like version columns cannot set application.auto increment columns read automatically set new record inserted table via update operation.value column remains constant life record one auto increment column allowed per table.auto increment columns may type long type currency.escrow columns modified via escrowupda... |
Extensible Storage Engine | escrow columns must type long.examples numeric delta operations include adding value subtracting value.ese tracks change value rather end value update.multiple sessions may outstanding changes made via escrowupdate value ese determine actual end value regardless transactions commit transactions rollback.allows multiple... |
Extensible Storage Engine | optionally database engine erase records zero value column.common use escrow column reference counter many threads incrementdecrement value without locks counter reaches zero record automatically gets deleted.indexes index persisted ordering records table.indexes used sequential access rows order defined direct record ... |
Extensible Storage Engine | array columns also called index key.column called index segment.index segment may either ascending descending terms ordering contribution.number indexes may defined table.ese provides rich set indexing features. |
Extensible Storage Engine | clustered indexes one index may specified clustered primary index.ese clustered index must unique referred primary index.indexes described nonclustered secondary indexes.primary indexes different secondary indexes index entry record logical pointer record.secondary indexes primary keys leaves logically link record prim... |
Extensible Storage Engine | words table physically clustered primary index order.retrieval nonindexed record data primary index order generally much faster secondary index order.single disk access bring memory multiple records access close together time.disk access satisfies multiple record access operations.however insertion record middle index ... |
Extensible Storage Engine | update frequency must carefully considered retrieval patterns performing table design.primary index defined table implicit primary index called database key dbk index created.dbk simply unique ascending number incremented time record inserted.result physical order records dbk index chronological insertion order new rec... |
Extensible Storage Engine | indexing multivalued columns indexes defined multivalued columns.multiple entries may exist indexes records multiple values indexed column.multivalued columns may indexed conjunction single valued columns.two multivalued columns indexed together multivalued property honored first multivalue column index.lower precedenc... |
Extensible Storage Engine | sparse indexes indexes also defined sparse.sparse indexes least one entry record table.number options defining sparse index.options exist exclude records indexes entire index key null key segment null first key segment null.indexes also conditional columns. |
Extensible Storage Engine | columns never appear within index cause record indexed conditional column either null nonnull.tuple indexes indexes also defined include one entry substring text long text column.indexes called tuple indexes.used speed queries substring matching predicates.tuple indexes defined text columns. |
Extensible Storage Engine | example text column value “i love jet blue” index configured minimum tuple size characters maximum tuple length characters following substrings indexedeven though tuple indexes large significantly speed queries form find records containing “jet blue”.used substrings longer maximum tuple length dividing search substring... |
Extensible Storage Engine | transactions transaction logical unit processing delimited begintransaction committransaction rollback operations.updates performed transaction atomic either appear database time none appear.subsequent updates transactions invisible transaction.however transaction update data changed meantime else operation fails witho... |
Extensible Storage Engine | transactions terminated rollback system crash leave trace database.general data state restored rollback prior begintransaction.transactions may nested levels one additional level reserved ese internal use.means part transaction may rolled back without need roll back entire transaction committransaction nested transacti... |
Extensible Storage Engine | transaction commits transaction level data describing transaction synchronously flushed log ensure transaction completed even event subsequent system crash.synchronously flushing log makes ese transactions durable.however cases application wish order updates immediately guarantee changes done.applications commit change... |
Extensible Storage Engine | updates encounters made it.way transaction operates though active transaction running system except case write conflicts.since transaction may make changes based data read already updated another transaction multiversioning guarantee serializable transactions.however serializability achieved desired simply using explic... |
Extensible Storage Engine | escrow locking extremely concurrent update numeric value changed relative fashion i.e.adding subtracting another numeric value.escrow updates nonconflicting even concurrent escrow updates datum.possible operations supported commutable independently committed rolled back.result interfere concurrent update transactions. |
Extensible Storage Engine | feature often used maintained aggregations.ese also extends transaction semantics data manipulation operations data definition operations.possible add index table concurrently running transactions update table without transaction lock contention whatsoever.later transactions complete newly created index available trans... |
Extensible Storage Engine | cursor navigation copy buffer cursor logical pointer within table index.cursor may positioned record first record last record even records.cursor positioned record current record.possible multiple cursors table index.many record column operations based cursor position. |
Extensible Storage Engine | cursor position moved sequentially move operations directly using index keys seek operations.cursors also moved fractional position within index.way cursor quickly moved thumb bar position.operation performed speed seek operation.intervening data must accessed.each cursor copy buffer order create new record modify exis... |
Extensible Storage Engine | internal buffer whose contents changed setcolumns operations.modifications copy buffer automatically change stored data.contents current record copied copy buffer using prepareupdate operation update operations store contents copy buffer record.copy buffer implicitly cleared transaction commit rollback well navigation ... |
Extensible Storage Engine | query processing ese applications invariably query data.section document describes features techniques applications write query procession logic ese.sorts temporary tables ese provides sort capability form temporary tables.application inserts data records sort process one record time retrieves one record time sorted or... |
Extensible Storage Engine | temporary tables used partial complete result sets well.tables offer features base tables including ability navigate sequentially directly rows using index keys matching sort definition.temporary tables also updatable computation complex aggregates.simple aggregates computed automatically feature similar sorting desire... |
Extensible Storage Engine | columns may retrieved directly secondary indexes without accessing data records via retrievefromindex flag retrievecolumns operation.much efficient retrieve columns secondary index record navigating index.column data retrieved record additional navigation necessary locate record primary key.may result additional disk a... |
Extensible Storage Engine | note columns defined table primary index also found secondary indexes similarly retrieved using jetbitretrievefromprimarybookmark.index keys stored normalized form many cases denormalized original column value.normalization always reversible.example text long text column types cannot denormalized.addition index keys ma... |
Extensible Storage Engine | index intersection queries often involve combination restrictions data.efficient means processing restriction use available index.however query involves multiple restrictions applications often process restrictions walking full index range restrictive predicate satisfied single index.remaining predicate called residual... |
Extensible Storage Engine | instead using single index index ranges multiple indexes combined result much smaller number records residual predicate applied.ese makes easy supplying intersectindexes operation.operation accepts series index ranges indexes table returns temporary table primary keys used navigate base table records satisfy index pred... |
Extensible Storage Engine | effort optimized cases defining single base table contains data two logical tables.column set base table union column sets logical tables.tagged columns make possible good handling multivalued sparse valued data.since related data stored together record accessed together thereby minimizing number disk accesses perform ... |
Extensible Storage Engine | since indexes defined multivalued columns still possible index ‘interior’ tables.however limitations exist applications consider prejoining carefully employing technique.logging crash recovery logging recovery feature ese supports guaranteed data integrity consistency event system crash.logging process redundantly reco... |
Extensible Storage Engine | recovery process using log restore databases consistent state system crash.transaction operations logged log flushed disk commit transaction level .allows recovery process redo updates made transactions commit transaction level undo changes made transactions commit transaction level .type recovery scheme often referred... |
Extensible Storage Engine | backup restore logging recovery also play role protecting data media failure.ese supports online backup one databases copied along log files manner affect database operations.databases continue queried updated backup made.backup referred ‘fuzzy backup’ recovery process must run part backup restoration restore consisten... |
Extensible Storage Engine | file copies may saved directly tape made storage device.quiescing activity kind required streamed backups.database log files check summed ensure data corruptions exist within data set backup process.streaming backups may also incremental backups.incremental backups ones log files copied restored along previous full bac... |
Extensible Storage Engine | shadow copy backups dramatically faster copy virtually made brief period quiescing application.subsequent updates made data virtual copy materialized.cases hardware support shadow copy backups means actually saving virtual copies unnecessary.shadow copy backups always full backups.restore used apply single backup used ... |
Extensible Storage Engine | restoration backup made system capable supporting original application.need machine even machine configuration.location files changed part restoration process.backup restore different hardware esent database created physical disk sector size stored database.physical sector size expected remain consistent sessions other... |
Extensible Storage Engine | physical drive cloned restored drive image drive uses different physical sector size advanced format drives esent report errors.this known issue microsoft hot fixes available.windows vista windows server see kb.windows windows server r see kb.history jet blue originally developed microsoft prospective upgrade jet red d... |
Extensible Storage Engine | years private api used microsoft since become published api anyone use.work began data access engine dae march allen reiter joined microsoft.next year team four developers worked allen largely complete isam.microsoft already bc isam jet red began data access engine dae effort build robust database engine entry new clie... |
Extensible Storage Engine | bc isam became jet red color flag russia.jet blue jet red written api specification shared isam code whatsoever.support common query processor qjet later together bc isam became synonymous jet red.jet blue first shipped isam wins dhcp defunct rpl services windows nt .. shipped storage engine microsoft exchange .additio... |
Extensible Storage Engine | number microsoft applications using jet blue continues grow jet blue api published facilitate usage everincreasing number applications services within beyond windows.a microsoft exchange web blog entry stated developers contributed jet blue includecheen liao stephen hecht matthew bellew ian jose edward eddie gilbert ke... |
Extensible Storage Engine | ese ship query engine instead relies applications write queries c isam code.jet red maximum database file size gib ese maximum database file size tib kib pages tib kib pages.references exchange terminology.archived original .retrieved .understanding information store essentials.archived original june . |
Ransomware | retrieved .external links official websiteextensiblestorageengine githubextensible storage engine codeprojectsimple ransomware may lock system difficult knowledgeable person reverse advanced malware uses technique called cryptoviral extortion.encrypts victims files making inaccessible demands ransom payment decrypt the... |
Ransomware | million ransomware attacks first six months .record marks increase time frame .june vendor mcafee released data showing collected double number ransomware samples quarter quarter previous year.cryptolocker particularly successful procuring estimated us million taken authorities cryptowall estimated us federal bureau in... |
Ransomware | million.losses could according fbi.operation concept fileencrypting ransomware invented implemented young yung columbia university presented ieee security privacy conference.called cryptoviral extortion inspired fictional facehugger movie alien.cryptoviral extortion following threeround protocol carried attacker victim... |
Ransomware | malware released.victim→attacker carry cryptoviral extortion attack malware generates random symmetric key encrypts victims data it.uses public key malware encrypt symmetric key.known hybrid encryption results small asymmetric ciphertext well symmetric ciphertext victims data.zeroizes symmetric key original plaintext d... |
Ransomware | victim sends asymmetric ciphertext emoney attacker.attacker→victim attacker receives payment deciphers asymmetric ciphertext attackers private key sends symmetric key victim.victim deciphers encrypted data needed symmetric key thereby completing cryptovirology attack.the symmetric key randomly generated assist victims.... |
Ransomware | payloads may display fake warning purportedly entity law enforcement agency falsely claiming system used illegal activities contains content pornography pirated media.some payloads consist simply application designed lock restrict system payment made typically setting windows shell even modifying master boot record and... |
Ransomware | ninetyfive percent organizations paid ransom data restored.history encrypting ransomware first known malware extortion attack aids trojan written joseph popp design failure severe necessary pay extortionist all.payload hid files hard drive encrypted names displayed message claiming users license use certain piece softw... |
Ransomware | popp declared mentally unfit stand trial actions promised donate profits malware fund aids research.the idea abusing anonymous cash systems safely collect ransom human kidnapping introduced sebastiaan von solms david naccache.electronic money collection method also proposed cryptoviral extortion attacks.von solmsnaccac... |
Ransomware | attacker keeps corresponding private decryption key private.young yungs original experimental cryptovirus victim send asymmetric ciphertext attacker deciphers returns symmetric decryption key contains victim fee.long electronic money existed young yung proposed electronic money could extorted encryption well stating vi... |
Ransomware | cryptoviral extortion protocol inspired parasitic relationship h. r. gigers facehugger host movie alien.examples extortionate ransomware became prominent may .mid trojans gpcode troj.ransom.a archiveus krotten cryzip mayarchive began utilizing sophisticated rsa encryption schemes everincreasing keysizes.gpcode.ag detec... |
Ransomware | december zdnet estimated based bitcoin transaction information october december operators cryptolocker procured us million infected users.cryptolocker technique widely copied months following including cryptolocker .thought related cryptolocker cryptodefense initially contained major design flaw stored private key infe... |
Ransomware | early versions dualpayload system script contained microsoft office document attached vbscript macro windows scripting facility wsf file.detection systems started blocking first stage payloads microsoft malware protection center identified trend away toward lnk files selfcontained microsoft windows powershell scripts.p... |
Ransomware | nonencrypting ransomware august russian authorities arrested nine individuals connected ransomware trojan known winlock.unlike previous gpcode trojan winlock use encryption.instead winlock trivially restricted access system displaying pornographic images asked users send premiumrate sms costing around us receive code c... |
Ransomware | malware claimed call would free routed rogue operator country high international phone rates placed call hold causing user incur large international long distance charges.in february ransomware trojan based stamp.ek exploit kit surfaced malware distributed via sites hosted project hosting services sourceforge github cl... |
Ransomware | leakware attack malware exfiltrates sensitive host data either attacker alternatively remote instances malware attacker threatens publish victims data unless ransom paid.attack presented west point summarized book malicious cryptography follows attack differs extortion attack following way.extortion attack victim denie... |
Ransomware | reputational damage could result publishing proof attack success.common targets exfiltration includethird party information stored primary victim customer account information health recordsinformation proprietary victim trade secrets product informationembarrassing information victims health information information vic... |
Ransomware | ios .apple patched bug handling javascript popup windows safari exploited ransomware websites.it recently shown ransomware may also target arm architectures like found various internetofthings iot devices industrial iot edge devices.in august researchers demonstrated possible infect dslr cameras ransomware.digital came... |
Ransomware | notable attack targets notable software packages reveton major ransomware trojan known reveton began spread.based citadel trojan based zeus trojan payload displays warning purportedly law enforcement agency claiming computer used illegal activities downloading unlicensed software child pornography.due behaviour commonl... |
Ransomware | variants localized templates branded logos different law enforcement organizations based users country example variants used united kingdom contained branding organizations metropolitan police service police national ecrime unit.another version contained logo royalty collection society prs music specifically accused us... |
Ransomware | august avast software reported found new variants reveton also distribute passwordstealing malware part payload.cryptolocker encrypting ransomware reappeared september trojan known cryptolocker generated bit rsa key pair uploaded turn commandandcontrol server used encrypt files using whitelist specific file extensions.... |
Ransomware | department justice also publicly issued indictment russian hacker evgeniy bogachev alleged involvement botnet.estimated least us million extorted malware shutdown.cryptolocker.f torrentlocker september wave ransomware trojans surfaced first targeted users australia names cryptowall cryptolocker cryptolocker .unrelated ... |
Ransomware | symantec determined new variants identified cryptolocker.f unrelated original cryptolocker due differences operation.notable victim trojans australian broadcasting corporation live programming television news channel abc news disrupted half hour shifted melbourne studios due cryptowall infection computers sydney studio... |
Ransomware | one strain cryptowall distributed part malvertising campaign zedo ad network lateseptember targeted several major websites ads redirected rogue websites used browser plugin exploits download payload.barracuda networks researcher also noted payload signed digital signature effort appear trustworthy security software.cry... |
Ransomware | enhanced code avoid antivirus detection encrypts data files also file names.fusob fusob one major mobile ransomware families.april march percent accounted mobile ransomware fusob.like typical mobile ransomware employs scare tactics extort people pay ransom.program pretends accusatory authority demanding victim pay fine... |
Ransomware | also timer clicking screen adds users’ anxiety well.in order infect devices fusob masquerades pornographic video player.thus victims thinking harmless unwittingly download fusob.when fusob installed first checks language used device.uses russian certain eastern european languages fusob nothing.otherwise proceeds lock d... |
Ransomware | .respectively.fusob lots common small another major family mobile ransomware.represented mobile ransomware .wannacry may wannacry ransomware attack spread internet using exploit vector named eternalblue allegedly leaked u.s. national security agency.ransomware attack unprecedented scale infected computers countries usi... |
Ransomware | wannacry demanded us per computer.attack affected telefónica several large companies spain well parts british national health service nhs least hospitals turn away patients cancel scheduled operations fedex deutsche bahn honda renault well russian interior ministry russian telecom megafon.attackers gave victims day dea... |
Ransomware | version modified propagate using eternalblue exploit used wannacry.due another design change also unable actually unlock system ransom paid led security analysts speculating attack meant generate illicit profit simply cause disruption.bad rabbit october users russia ukraine reported new ransomware attack named bad rabb... |
Ransomware | used corporate network structures spread ransomware also discovered countries including turkey germany poland japan south korea united states.experts believed ransomware attack tied petya attack ukraine especially bad rabbits code many overlapping analogical elements code petyanotpetya appending crowdstrike bad rabbit ... |
Ransomware | malware uses remote desktop protocol bruteforce attack guess weak passwords one broken.virus behind attacks government healthcare targets notable hacks occurring town farmington new mexico colorado department transportation davidson county north carolina recently major breach security infrastructure atlanta.mohammad me... |
Ransomware | attack described worst cyberattack date u.s. critical infrastructure.darkside successfully extorted bitcoin almost us million colonial pipeline.u.s. officials investigating whether attack purely criminal took place involvement russian government another state sponsor.following attack darkside posted statement claiming ... |
Ransomware | syskey syskey utility included windows ntbased operating systems encrypt user account database optionally password.tool sometimes effectively used ransomware technical support scams—where caller remote access computer may use tool lock user computer password known them.syskey removed later versions windows windows serv... |
Ransomware | biden later added united states would take groups servers putin not.four days later revil websites infrastructure vanished internet.mitigation attack suspected detected early stages takes time encryption take place immediate removal malware relatively simple process completed would stop damage data without salvaging al... |
Ransomware | moreover using nas cloud storage computer appendonly permission destination storage cannot delete overwrite previous backups.according comodo applying two attack surface reduction oskernel provides materiallyreduced attack surface results heightened security posture.installing security updates issued software vendors m... |
Ransomware | advised add backup important directories controlled folder access.unless malware gains root zfs host system deploying attack coded issue zfs administrative commands file servers running zfs broadly immune ransomware zfs capable snapshotting even large file system many times hour snapshots immutable read easily rolled b... |
Ransomware | free ransomware decryption tools help decrypt files encrypted following forms ransomware aesni alcatraz locker apocalypse badblock bart btcware crypt cryptomix crysis encryptile findzip globe hidden tear jigsaw lambdalocker legion noobcrypt stampado szflocker teslacrypt xdata.ransom project initiative netherlands polic... |
Ransomware | number cyberattacks double .first versions type malware used various techniques disable computers locking victims system machine locker ransomware .ransomware uses different tactics extort victims.one common methods locking devices screen displaying message branch local law enforcement alleging victim must pay fine ill... |
Ransomware | similar variants malware display pornographic image content demanded payment removal it.by ransomware tactics evolved.attackers began using electronic payment methods well language localization affected device.corporations private entities governments hospitals affected malicious attacks.significant uptick ransomware a... |
Ransomware | evolving sophisticated attacks becoming resistant time also accessible ever.today cheap price attackers access ransomware service.big problem millions dollars lost organizations industries decided pay hollywood presbyterian medical center medstar health.end pressure offer services patients keep lives critical forced pa... |
Ransomware | consumers preferred victims changed dramatically moved enterprises.path accelerated percent infections represented percent increase.common distribution method today based email campaigns.the first reported death following ransomware attack german hospital october .an effective successful cyber awareness training progra... |
Ransomware | whichever approach organization decides implement important organization policies procedures place provide training date performed frequently backing entire organization top down.investment technology detect stop threats must maintained along need remember focus weakest link user.criminal arrests convictions zain qaise... |
Ransomware | also contacted online criminals china us move money.one half years posed legitimate supplier online promotions book advertising worlds visited legal pornography websites.adverts promoted websites contained reveton ransomware strain malicious angler exploit kit aek seized control machine.investigators discovered £ earni... |
Ransomware | ransomware would instruct victims buy greendot moneypak vouchers enter code reveton panel displayed screen.money entered moneypak account managed qaiser would deposit voucher payments american coconspirators debit card—that raymond odigie uadiale student florida international university later worked microsoft.uadiale w... |
Ransomware | lawyer claimed qaiser suffered mental illness.russian police arrested members lurk malware gang june .uadiale naturalized us citizen nigerian descent jailed months.freedom speech challenges criminal punishment publication proofofconcept attack code common among academic researchers vulnerability researchers.it teaches ... |
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