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Trojan horse (computing) | mentioned knew possible existence trojans report security multics.behavior installed trojans may perform range malicious actions.many tend contact one command control c servers across internet await instruction.since individual trojans typically use specific set ports communication relatively simple detect them.moreove... |
Trojan horse (computing) | govware typically trojan software used intercept communications target computer.countries like switzerland germany legal framework governing use software.examples govware trojans include swiss minipanzer megapanzer german state trojan nicknamed rd.german govware works exploiting security gaps unknown general public acc... |
Trojan horse (computing) | trojans relationship worms spread help given worms travel across internet them.bitdefender stated approximately computers members botnet usually recruited trojan infection.linux example trojan horse program purports perform obvious function yet upon execution compromises users security.one easy program new version linu... |
Trojan horse (computing) | administrator happens directory executes sudo trojan horse might executed.working versionto prevent commandline based trojan horse set .entry path environment variable located tail end.example pathusrlocalbinusrbin.. notable examples private governmental anom fbizapftis rd staatstrojaner – digitaskdarkcomet – cia nsafi... |
Trojan horse (computing) | however style guides dictionaries differ many suggest lower case trojan normal use.see also computer securitycuckoos egg metaphorcyber spyingdancing pigsexploit computer securityindustrial espionageprinciple least privilegeprivacyinvasive softwareremote administrationremote administration softwarereverse connectionrogu... |
Advanced persistent threat | recent times term may also refer nonstatesponsored groups conducting largescale targeted intrusions specific goals.such threat actors motivations typically political economic.every major business sector recorded instances cyberattacks advanced actors specific goals whether steal spy disrupt.targeted sectors include gov... |
Advanced persistent threat | fireeye reported mean dwelltime americas days emea days apac days.long dwelltime allows attackers significant amount time go attack cycle propagate achieve objective.definition definitions precisely apt vary summarized named requirements belowadvanced – operators behind threat full spectrum intelligencegathering techni... |
Advanced persistent threat | malware components generated commonly available doityourself malware construction kits use easily procured exploit materials operators typically access develop advanced tools required.often combine multiple targeting methods tools techniques order reach compromise target maintain access it.operators may also demonstrat... |
Advanced persistent threat | mean barrage constant attacks malware updates.fact lowandslow approach usually successful.operator loses access target usually reattempt access often successfully.one operators goals maintain longterm access target contrast threats need access execute specific task.threat – apts threat capability intent.apt attacks exe... |
Advanced persistent threat | operators specific objective skilled motivated organized well funded.actors limited state sponsored groups.history targets warnings targeted sociallyengineered emails dropping trojans exfiltrate sensitive information published uk us cert organisations .method used throughout early constitute apt.term advanced persisten... |
Advanced persistent threat | case iranian government might consider stuxnet creators advanced persistent threat.within computer security community increasingly within media term almost always used reference longterm pattern sophisticated computer network exploitation aimed governments companies political activists extension also ascribe p attribut... |
Advanced persistent threat | life cycle actors behind advanced persistent threats create growing changing risk organizations financial assets intellectual property reputation following continuous process kill chaintarget specific organizations singular objectiveattempt gain foothold environment common tactics include spear phishing emailsuse compr... |
Advanced persistent threat | apt activities stealthy hard detect command control network traffic associated apt detected network layer level sophisticated methods.deep log analyses log correlation various sources limited usefulness detecting apt activities.challenging separate noises legitimate traffic.traditional security technology methods ineff... |
Risk factor (computing) | humanintroduced cyber vulnerabilities hicv weak cyber link neither well understood mitigated constituting significant attack vector.apt groups china since xi jinping became general secretary chinese communist party ministry state security gained responsibility cyberespionage visàvis peoples liberation army currently ov... |
Log4Shell | see also assetattack computingcountermeasure computercomputer securitycomputer insecurityinformation securityinformation security managementisacainformation security management systemisoiec riskriskrisk managementthe open groupthreat computersecurity controlsecurity risksecurity service telecommunicationvulnerability c... |
Log4Shell | according wiz ey vulnerability affected enterprise cloud environments.experts described logshell largest vulnerability ever lunasec characterized design failure catastrophic proportions tenable said exploit single biggest critical vulnerability ever ars technica called arguably severe vulnerability ever washington post... |
Log4Shell | former cybersecurity commission member u.s. president barack obama tom kellermann described apache one giant supports bridge facilitates connective tissue worlds applications computer environments.behavior java naming directory interface jndi allows lookup java objects program runtime given path data.jndi leverage seve... |
Log4Shell | jndildapexample.comfile example load data url connected internet.inputting string logged attacker load execute malicious code hosted public url.even execution data disabled attacker still retrieve data—such secret environment variables—by placing url case substituted sent attackers server.besides ldap potentially explo... |
Log4Shell | naive searches circumvented obfuscating request lowerjndi example converted jndi lookup performing lowercase operation letter j. even input first name immediately logged may later logged internal processing contents executed.mitigation fixes vulnerability released december three days vulnerability published logj versio... |
Log4Shell | early recommended fix older versions set system property logj.formatmsgnolookups true change prevent exploitation cve later found disable message lookups cases.newer versions java runtime environment jre also mitigate vulnerability blocking remote code loaded default although attack vectors still exist certain applicat... |
Log4Shell | according cybersecurity firm greynoise several ip addresses scraping websites check servers vulnerability.several botnets began scanning vulnerability including muhstik botnet december well mirai tsunami xmrig.conti observed using vulnerability december.some statesponsored groups china iran also utilized exploit accord... |
Log4Shell | civilian agencies contracted united states government december patch vulnerabilities though would already allowed access hundreds thousands targets date.federal trade commission ftc intends use full legal authority pursue companies fail take reasonable steps update used logj software current version.white house meeting... |
Log4Shell | also reported several attacks already successful extent exploit remained hard assess.netherlandss national cyber security centre ncsc began ongoing list vulnerable applications.the chinese ministry industry information technology suspended work alibaba cloud cybersecurity threat intelligence partner six months failing ... |
Log4Shell | amazon google microsoft cloud data affected logshell.microsoft asked windows azure customers remain vigilant observing statesponsored cybercriminal attackers probing systems logj logshell flaw december .the human resource management workforce management company ukg one largest businesses industry targeted ransomware at... |
Log4Shell | analysis december almost half corporate networks globally actively probed variants exploit produced within hours.check point software technologies detailed analysis described situation true cyberpandemic characterizing potential damage incalculable.several initial advisories exaggerated amount packages vulnerable leadi... |
Firefighting threat assessment matrix | magazine explains pervasiveness logj vulnerability difficult detect potential targets ease transmitting code victims created combination severity simplicity pervasiveness security community rattled.wired also outlined stages hackers using logshell cryptomining groups first using vulnerability data brokers sell foothold... |
Firefighting threat assessment matrix | classical one undisputed basic training german firemen experts recommend extended version allows better description situation.vulnerabilities humansanimalsenvironmentpropertyrescuersequipment scientific research threat matrix used scientific projects allows providing humancomputer interface order describe emergency sit... |
Firefighting threat assessment matrix | lpn – berufskunde organisation einsatztaktik..überarbeitete auflage.s. –.stumpf und kossendey edewecht wien isbn hans kemper fachwissen feuerwehr gefahren der einsatzstelle ecomedverlag isbn heinrich schläfer das taktikschema verlag w. kohlhammer stuttgart |
Data breach | terms unintentional information disclosure data leak information leakage data spill.incidents range concerted attacks individuals hack personal gain malice black hats organized crime political activists national governments poorly configured system security careless disposal used computer equipment data storage media.l... |
Data breach | definition data breach may include incidents theft loss digital media computer tapes hard drives laptop computers unencrypted information posting information world wide web without proper information security precautions transfer information system completely open appropriately formally accredited security unencrypted ... |
Data breach | social security numbers.loss corporate information trade secrets sensitive corporate information details contracts government information frequently unreported compelling reason absence potential damage private citizens publicity around event may damaging loss data itself.insider versus external threats working inside ... |
Data breach | professional associations asset managers work aggressively professionals educate best riskreduction practices internal external threats assets software information.security prevention may deflect high percentage attempts ultimately motivated attacker likely find way given network.one top quotes cisco ceo john chambers ... |
Data breach | given series medical data breaches lack public trust countries enacted laws requiring safeguards put place protect security confidentiality medical information shared electronically give patients important rights monitor medical records receive notification loss unauthorized acquisition health information.united states... |
Data breach | case target breach cost target significant drop profit dove estimated percent th quarter year.end target published report claiming total loss million data breach related fees.the yahoo breach disclosed may one expensive today.may lower price acquisition verizon billion.verizon later released renegotiation yahoo agreein... |
Data breach | billion.cybercrime cost energy utilities companies average .million year lost business damaged equipment according dnv gl international certification body classification society based norway.data breaches cost healthcare organizations .billion last two years presumably according ponemon study.in health care million peo... |
Data breach | privacy rights clearinghouse prc shown records january december breaches events.also causes lead breach insider attack payment card fraud lost stolen portable device infected malware sending email wrong person disc.shows many common mistake leads data breach humans make mistakes allowing hackers exploit perform attack.... |
Data breach | several studies studies published varying findings including works kannan rees sridhar cavusoglu mishra raghunathan campbell gordon loeb lei well schatz bashroush .since data volume growing exponentially digital era data leaks happen frequently ever preventing sensitive information leaked unauthorized parties becomes o... |
Data breach | million customers personal information including social security numbers.according legal complaint beginning – coincidentally sold mortgage portfolios wrongful fraudulent securitization pools coincidentally mortgage portfolio went massive default result thereof – countrywide learned financial information potentially mi... |
Data breach | december rockyou password database breached containing million usernames plaintext passwords compromising use weak passwords purpose.in may united kingdom parliamentary expenses scandal revealed daily telegraph.hard disk containing scanned receipts uk members parliament peers house lords offered various uk newspapers l... |
Data breach | resulting media storm led resignation speaker house commons prosecution imprisonment several mps lords fraud.expenses system overhauled tightened put par private industry schemes.metropolitan police service continues investigate possible frauds crown prosecution service considering prosecutions.several mps lords apolog... |
Data breach | although numbering less individuals affair received largest global media coverage data breach february .in january heartland payment systems announced victim security breach within processing system possibly part global cyber fraud operation.intrusion called largest criminal breach card data ever estimates million card... |
Data breach | summer wired.com senior writer mat honan claims hackers destroyed entire digital life span hour” hacking apple twitter gmail passwords order gain access twitter handle process claims hackers wiped every one devices deleting messages documents including every picture ever taken monthold daughter.exploit achieved combina... |
Data breach | october adobe systems revealed corporate database hacked million user records stolen.according adobe year adobe’s authentication system cryptographically hashed customer passwords using sha algorithm including salting passwords iterating hash times.system subject attack publicly disclosed october .authentication system... |
Data breach | late november early december target corporation announced data around million credit debit cards stolen.second largest credit debit card breach tjx companies data breach almost million cards affected.in edward snowden published series secret documents revealed widespread spying united states national security agency si... |
Data breach | million customer payment cards.in november weeks sony pictures entertainment suffered data breach involving personal information sony pictures employees families emails employees information executive salaries company copies previously unreleased sony films information.hackers involved claim taken terabytes data sony.o... |
Data breach | million current former federal employees united states hacked stolen.february yearold british hacker kane gamble leaked personal details fbi employees including employees names job titles phone numbers email addresses.judge said gamble engaged politically motivated cyberterrorism.in march website commission elections p... |
Data breach | prime minister iceland forced resign major reshuffling political offices occurred countries farflung malta.multiple investigations immediately initiated countries around world including hard look international offshore banking rules u.s. obviously implications enormous ability organization—whether law firm governmental... |
Data breach | joshua adam schulte former cia employee accused leaking cia hacking secrets wikileaks.equifax july consumer records largest known data breach history time leading potential largest class action lawsuit history.early october cities chicago san francisco commonwealth massachusetts filed enforcement actions equifax follow... |
Data breach | wartime operational plans.paradise papers november .facebook cambridge analytica data scandal march.in march google identified vulnerability exposing personal information nearly half million users.patched vulnerability disclose exposure users issue reported wall street journal months fact.on march armour disclosed data... |
Data breach | million personal data including data ministers including singapores prime minister lee hsien loong compromised.ministers press conference dubbed data breach serious breach personal data.on august reddit disclosed hacked.hacker able compromise employees accounts even though used sms based twofactor authentication.reddit... |
Zip bomb | class action lawsuit epic games forming .may personal data roughly million users graphic design service canva exposed including real names users usernames addresses geographical information password hashes.on july bulgaria’s national revenue agency branch country’s ministry finance.in september personal data ecuadors e... |
Misuse case | many antivirus scanners layers recursion performed archives help prevent attacks would cause buffer overflow outofmemory condition exceed acceptable amount program execution time.zip bombs often rely repetition identical files achieve extreme compression ratios.dynamic programming methods employed limit traversal files... |
Misuse case | negative scenario threats hence identified help defining new requirements expressed new use cases.this modeling tool several strengthsit allows provision equal weightage functional nonfunctional requirements e.g.security requirements platform requirements etc.may possible tools.it emphasises security beginning design p... |
Misuse case | needs combined powerful tools establish adequate plan execution project.one weakness lack structure semantics.use misuse case industry important describe systems behavior responds request originates outside use cases become popular requirements engineers thanks features like visual modeling technique describe system ac... |
Misuse case | area use misuse case commonly used field security.evergrowing importance system become vital every company develop capability protect data.hence example misuse case might used define hacker would want system define requirements.developer designer define requirements user hacker uml diagram turn helps identify security ... |
Misuse case | either done intentionally inadvertently.diagrams misuse case model makes use relation types found use case model include extend generalize association.addition introduces two new relations used diagrammitigatesa use case mitigate chance misuse case complete successfully.threatensa misuse case threaten use case e.g.expl... |
Misuse case | descriptions two different ways describing misuse case textual one embedded use case description template extra description field called threats added.field misuse case steps alternate steps filled in.referred lightweight mode describing misuse case.the way describing misuse case using separate template purpose only.su... |
Misuse case | addition proposed use several fields toomisuse case namesummaryauthordatebasic pathalternative pathsmitigation pointsextension pointstriggerspreconditionsassumptionsmitigation guaranteerelated business rulespotential misuser profilestakeholders threatsterminology explanationsscopeabstraction levelprecision levelas one ... |
Misuse case | ways increase widespread adoption practice misuse case development earlier phases application development considered sooner flaw found easier find patch lower impact final cost project.other research focuses improving misuse case achieve final goal lack application process results general cause underdefinition misinter... |
Misuse case | system stakeholders create misuse case charts requirements specific problem domains.developed knowledge database reduce amount standard security flaws used lambda hackers.other research focused possible missing concrete solutions misuse case wrote approach help high level elicitation security requirements show associat... |
Information infrastructure | changed perspective organizations networks systems infrastructure allowing global emergent perspective information systems.information infrastructure technical structure organizational form analytical perspective semantic network.the concept information infrastructure ii introduced early first political initiative gore... |
Information infrastructure | also consistent include innovations facebook linkedin myspace excellent examples bygstad .bowker described several key terms concepts enormously helpful analyzing information infrastructure imbrication bootstrapping figureground short discussion infrastructural inversion.imbrication analytic concept helps ask questions... |
Information infrastructure | infrastructure becomes essential factor shaping takenforgrantedness organizational practices ciborra hanseth .the technological human components networks systems processes contribute functioning health information system braa et al..the set organizational practices technical infrastructure social norms collectively pro... |
Information infrastructure | informatio outline concept idea noun action pp.stem informare see inform.meaning knowledge communicated midc.information technology attested .information revolution .infrastructure fr. |
Information infrastructure | infrastructure see infra structure.installations form basis operation system.originally military sense.theories dimensions according star ruhleder dimensions information infrastructures.embeddednesstransparencyreach scopelearned part membershiplinks conventions practiceembodiment standardsbuilt installed basebecomes vi... |
Information infrastructure | global information infrastructure gii borgman says governments businesses communities individuals work together create global information infrastructure links worlds telecommunication computer networks together would enable transmission every conceivable information communication application.currently internet default ... |
Information infrastructure | commercial basis canadas information infrastructure established government ended role project.europe european union proposed european information infrastructure.european information infrastructure evolved furthermore thanks martin bangemann report projects eeurope eeurope iiniciaive africa american vice president al go... |
Information infrastructure | history information infrastructures case international classification diseases.information processing management.–.doi.m.johnson nathan r. .information infrastructure rhetorictools analysis. |
Information infrastructure | poroi..doi...johnson nathan r. .enhancing epistemological project rhetoric science information infrastructure tool identifying epistemological commitments scientific technical communities.poroi. |
Wiper (malware) | .doi... external links usaid leland initiativeaseanapecexamples piece malware referred wiper allegedly used attacks iranian oil companies.international telecommunication union supplied kaspersky lab hard drives allegedly damaged wiper analysis.sample alleged malware could found kaspersky discovered traces separate piec... |
Web shell | sony hack also utilized rawdisk.in computers several countries—most prominently ukraine infected variant petya ransomware modified effectively act wiper.malware infects master boot record payload encrypts internal file table ntfs file system.although still demanded ransom found code significantly modified payload could... |
Web shell | delivery web shells web shells installed vulnerabilities web application weak server security configuration including followingsql injectionvulnerabilities applications services e.g.web server software nginx content management system applications wordpressfile processing uploading vulnerabilities mitigated e.g.limiting... |
Web shell | removal vulnerabilities important avoid potential risk compromised web server.the following security measures preventing installation web shellregularly update applications host servers operating system ensure immunity known bugsdeploying demilitarized zone dmz web facing servers internal networkssecure configuration w... |
Firewall (computing) | web shell identified deleted easily.analyzing web servers log could specify exact location web shell.legitimate usersvisitor usually different useragents referers referrers hand web shell usually visited attacker therefore variants useragent strings.see also backdoor computingcyberwarfareinternet securitynetwork securi... |
Firewall (computing) | types firewalls categorized networkbased hostbased system.networkbased firewalls positioned anywhere within lan wan.either software appliance running generalpurpose hardware hardware appliance running specialpurpose hardware virtual appliance running virtual host controlled hypervisor.firewall appliances may also offer... |
Firewall (computing) | daemon service part operating system agent application protection.packet filter first reported type network firewall called packet filter inspect packets transferred computers.firewall maintains access control list dictates packets looked action applied default action set silent discard.three basic actions regarding pa... |
Firewall (computing) | bulk internet communication th early st century used either transmission control protocol tcp user datagram protocol udp conjunction wellknown ports enabling firewalls era distinguish specific types traffic web browsing remote printing email transmission file transfers.the first paper published firewall technology engi... |
Firewall (computing) | allows identify unwanted applications services using non standard port detect allowed protocol abused.also provide unified security management including enforced encrypted dns virtual private networking.as nextgeneration firewall provides wider range inspection application layer extending deep packet inspection functio... |
Social engineering (security) | configuration setting firewall complex errorprone task.network may face security issues due configuration errors.see also references external links evolution firewall industry – discusses different architectures packets processed provides timeline evolution.a history survey network firewalls – provides overview firewal... |
Social engineering (security) | exploring relationship organizational culture information security culture provides following definition information security culture isc totality patterns behavior organization contribute protection information kinds.andersson reimers found employees often see part organization information security effort often take a... |
Social engineering (security) | commitment management communication organizational members courses organizational members commitment employees.techniques terms social engineering techniques based specific attributes human decisionmaking known cognitive biases.biases sometimes called bugs human hardware” exploited various combinations create attack te... |
Social engineering (security) | examples social engineering attacks criminals posing exterminators fire marshals technicians go unnoticed steal company secrets.one example social engineering individual walks building posts officiallooking announcement company bulletin says number help desk changed.employees call help individual asks passwords ids the... |
Social engineering (security) | intimidation attacker potentially disguised informs implies negative consequences certain actions performed.consequences could include subtle intimidation phrases ill tell manager much worse.consensussocial proof people things see people doing.example one experiment one confederates would look sky bystanders would look... |
Social engineering (security) | see conformity asch conformity experiments.scarcity perceived scarcity generate demand.common advertising phrase supplies last capitalizes sense scarcity.urgency linked scarcity attackers use urgency timebased psychological principle social engineering.example saying offers available limited time encourages sales sense... |
Social engineering (security) | familiarity liking people easily persuaded people like.cialdini cites marketing tupperware might called viral marketing.people likely buy liked person selling them.many biases favoring attractive people discussed.see physical attractiveness stereotype. |
Social engineering (security) | four social engineering vectors vishing vishing otherwise known voice phishing criminal practice using social engineering telephone system gain access private personal financial information public purpose financial reward.also employed attackers reconnaissance purposes gather detailed intelligence target organization.p... |
Social engineering (security) | example phishing scam users received emails supposedly ebay claiming users account suspended unless link provided clicked update credit card information genuine ebay already had.mimicking legitimate organizations html code logos relatively simple make fake website look authentic.scam tricked people thinking ebay requir... |
Social engineering (security) | like phishing clicking malicious link divulging information.examples text messages claim common carrier like fedex stating package transit link provided.impersonation pretending pretexting another person goal gaining access physically system building.impersonation used sim swap scam fraud.concepts pretexting pretexting... |
Social engineering (security) | pretextual act creating using invented scenario pretext engage targeted victim manner increases chance victim divulge information perform actions would unlikely ordinary circumstances.elaborate lie often involves prior research setup use information impersonation e.g.date birth social security number last bill amount e... |
Social engineering (security) | information used establish even greater legitimacy tougher questioning manager e.g.make account changes get specific balances etc.pretexting also used impersonate coworkers police bank tax authorities clergy insurance investigators—or individual could perceived authority righttoknow mind targeted victim.pretexter must ... |
Social engineering (security) | victim prompted typically via phishing email call bank via ideally toll free number provided order verify information.typical vishing system reject logins continually ensuring victim enters pins passwords multiple times often disclosing several different passwords.advanced systems transfer victim attackerdefrauder pose... |
Social engineering (security) | hand spearphishing emails require attacker perform additional research targets order trick end users performing requested activities.success rate spearphishing attacks considerably higher phishing attacks people opening roughly phishing emails compared roughly potential attempts.users actually open emails phishing emai... |
Social engineering (security) | victim feels safe things would different situation.wary person might example purposefully avoid clicking link unsolicited email person would hesitate follow link website often visit.attacker prepares trap unwary prey favored watering hole.strategy successfully used gain access supposedly secure systems.the attacker may... |
Social engineering (security) | information gathering confirms targets visit websites system allows visits.attacker tests websites vulnerabilities inject code may infect visitors system malware.injected code trap malware may tailored specific target group specific systems use.time one members target group get infected attacker gain access secure syst... |
Social engineering (security) | attack attackers leave malwareinfected floppy disks cdroms usb flash drives locations people find bathrooms elevators sidewalks parking lots etc.give legitimate curiositypiquing labels wait victims.for example attacker may create disk featuring corporate logo available targets website label executive salary summary q .... |
Social engineering (security) | hostile devices also used.instance lucky winner sent free digital audio player compromising computer plugged to.road apple colloquial term horse manure suggesting devices undesirable nature removable media malicious software left opportunistic conspicuous places.may cd dvd usb flash drive among media.curious people tak... |
Social engineering (security) | hackers may give enticing labels employee salaries confidential.one study done researchers drop usb drives around campus university illinois.drives contained files linked webpages owned researchers.researchers able see many drives files opened many inserted computer without file opened.drives dropped picked called home... |
Social engineering (security) | eventually person hit someone legitimate problem grateful someone calling back help them.attacker help solve problem process user type commands give attacker access launch malware.in information security survey office workers gave researchers claimed password answer survey question exchange cheap pen.similar surveys la... |
Social engineering (security) | following common courtesy legitimate person usually hold door open attacker attackers may ask employee hold open them.legitimate person may fail ask identification several reasons may accept assertion attacker forgotten lost appropriate identity token.attacker may also fake action presenting identity token.types common... |
Social engineering (security) | additionally spoofing attempts included emails major online service providers like paypal.led proposed standard sender policy framework rfc dated april combination dmarc means combat spoofing.among many motivations deception arephishing creditcard account numbers passwords.cracking private emails chat histories manipul... |
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