mariiazhiv/CyThIA-Llama3
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What is two-factor authentication, and why is it important? | -Two-factor authentication enhances security by necessitating users to furnish two distinct forms of verification, typically a password and a temporary code, thereby bolstering protection. -It's important because even if a password is compromised, unauthorized access is prevented without the second factor. | |
What are some typical vulnerabilities in web servers? | Vulnerabilities often arise from misconfigured services, default settings that are never updated, bugs in the server's operating system, and outdated web server software. These flaws can expose the system to exploits ranging from remote code execution to privilege escalation. Security professionals must be adept at har... | |
What is the Three-way handshake? | TCP uses a three-way handshake to establish reliable connections. The connection is full-duplex, with synchronization (SYN) and acknowledgment (ACK) on both sides. The exchange of these four flags is done in three steps: SYN, SYN to ACK, and ACK. | |
What is SSL and how is it used? | SSL stands for Secure Sockets Layer. It's a type of technology used to protect the information in online payments and transactions by creating and using encrypted connections between a web browser and a web server. SSL certificates are used to provide data privacy. | |
How can one prevent attacks on web servers? | Preventive techniques include: Patch management, to fix known vulnerabilities Disabling unused services, reducing the attack surface Removing default accounts, preventing unauthorized access Disabling remote administration, especially over insecure channels Monitoring access logs, to detect early signs of intrusion Imp... | |
What are the common methods for secure data disposal? | Common methods include data shredding, overwriting, degaussing, and physical destruction to ensure that sensitive information cannot be recovered from storage media. | |
What is a firewall? | A firewall is a network security system that monitors and controls traffic to protect a company's network from viruses, malware, and other cybersecurity risks. Firewalls are used across organizations of all sizes and by individuals. If you're applying for a cybersecurity analyst role , then you're likely to see several... | |
What is non-repudiation (as it applies to IT security)? | Non-repudiation in IT Security is a principle that ensures that once a transaction or action has been performed, it cannot be denied by the involved parties. Implementation : Achieved through mechanisms such as digital signatures, audit logs, and timestamps. These tools provide evidence of the actions taken and help en... | |
What are the common cyber threats today? | Common threats include malware, ransomware, phishing, DDoS attacks, insider threats, and zero-day vulnerabilities. | |
What is a security information and event management (SIEM) system? | A SIEM system is a solution that collects, monitors, and analyzes log data from various sources to provide real-time insights into security threats. | |
Explain to me what a brute-force attack is and how you can avoid it or mitigate it | A brute-force attack is when a hacker attempts to uncover a target's password using a permutation or fuzzing process. This type of attack takes a long time and process. And it's because of that, that attackers use software such as Hydra or Fuzzer to automate the password creation process. To prevent a brute force attac... | |
Explain the concept of session hijacking | Session hijacking is a security attack on user sessions over a protected network. The most common method of session hijacking is called IP spoofing, where an attacker uses source-routed IP packets to inject commands into the active communication between two nodes on a network, allowing an authenticated impersonation of... | |
What are the various sniffing tools? | Lists of some main Networking Sniffing Tools: -Auvik -SolarWinds Network Packet Sniffer -Wireshark -Paessler PRTG -ManageEngine NetFlow Analyzer -Tcpdump -WinDump -NetworkMiner | |
What are the differences between IDS and IPS? | An intrusion detection system or IDS is a system that detects possible intrusions. However, it's often less efficient compared to the intrusion prevention system (IPS). The IPS helps streamline the security process as a whole. Both IDS and IPS compare network packets to databases that contain signatures of cyberattacks... | |
What is a zero-day exploit? | A zero-day exploit is a previously unknown vulnerability that is exploited by an attacker before a patch or fix is available. | |
What is CSRF? How do you test and prevent it? | Cross-Site Request Forgery (CSRF) tricks a logged-in user into performing unintended actions. Prevent: Anti-CSRF tokens, SameSite cookies, referer checking. | |
What is a virus? | A virus is a type of malware that attaches itself to a program or file to replicate itself and spread to other systems. | |
What is Broken Access Control? | Occurs when users can access unauthorized functions/data. Test: Change user_id=1 to user_id=2 Try accessing admin panels Tools: Burp Repeater, Autorize | |
How do you manage cryptographic keys? | Cryptographic keys should be securely generated, stored, rotated, and protected to maintain the confidentiality and integrity of encrypted data. | |
What is a Brute Force Attack? What steps can you take to prevent it? | A brute force attack is a trial-and-error method used to decode encrypted data such as a password by trying various combinations of possible credentials. These brute force attacks are typically automated. Some of the methods you can use to prevent these cyberattacks include instituting mandatory password complexity and... | |
What's the difference between a virus, a worm, and a Trojan horse? | These are all types of malware, but they spread and operate in different ways, and they're often used for different goals. Understanding those differences helps analysts assess how an infection started, how it might spread, and what it's designed to do. A virus is a piece of malicious code that attaches itself to a leg... | |
What is Encryption, and why is it important? | Encryption is a security technique that converts plaintext into ciphertext, making it unreadable to unauthorized users. Encryption is important for ensuring data confidentiality and protecting sensitive information during transmission and storage. | |
What distinguishes between IDS and IPS? | IDS is an interference exposure system that detects encroachments only and the administrator must be careful to prevent intrusion. Whereas the system detects the intrusion in IPS, i.e., Intrusion Prevention System, and also needs to take precautions to avoid the encroachment. | |
Explain what a security policy is | A security policy comprises a collection of formally documented regulations, recommendations, and protocols that delineate an organization's methods to safeguard its information, assets, and technological resources. | |
What is cloud-based cloud compliance management? | Cloud-based cloud compliance management is a solution that helps organizations manage compliance with regulatory requirements in cloud environments. | |
What's the difference between a risk, a threat, and a vulnerability? | The differences are: Risk. Risk is the likelihood a threat agent can successfully exploit a vulnerability. Threat. Threats are any hazard that can potentially steal or destroy data, disrupt operations, or cause general harm. Threat examples include malware, data breaches, phishing, or even unethical employees. Vulnerab... | |
Explain the concept of endpoint security | Endpoint security focuses on securing individual devices (endpoints) like computers and mobile devices by using antivirus, anti-malware, and intrusion detection systems. | |
In your experience, why is the concept of 'trust' in AI outputs vital, and how can security professionals reinforce that trust within an enterprise environment? | Trust is the bedrock of any AI solution because stakeholders—from end users to executives—rely on accurate and fair decisions. An untrusted model leads to a lack of adoption, reputational damage, and potential legal issues. Security professionals can reinforce this trust by ensuring model transparency and providing a c... | |
What is incident response? | Incident response is a systematic approach to identifying, containing, and mitigating the impact of a security incident. | |
How do you approach the challenge of securing federated learning frameworks, where data remains decentralized but collaborative training must remain robust against adversaries? | When feasible, I establish strict protocols for participants, verifying identities and data sources through secure certificates and zero-knowledge proofs. I then implement differential privacy or secure aggregation to ensure individual data points remain concealed from other nodes during model updates. Continuous audit... | |
How does HTTPS work? What's involved in the TLS handshake? | Client sends "Hello" with supported ciphers. Server sends certificate + chosen cipher. Keys are exchanged (RSA/Diffie-Hellman). Session key is generated, encrypted traffic begins. | |
What is the Blowfish algorithm? | Blowfish is an encryption technique developed by Bruce Schneier in 1993 as an alternative to the DES encryption technique. It is considerably faster than DES and provides excellent encryption speed even though no effective cryptanalysis techniques have been discovered so far. It was one of the first secure block cipher... | |
What is SSL? Is it complete when it comes to encryption? | SSL is not for encryption of problematic files. It is a technique of identity checking to recognize that the person you are referring to really is who they think they are. SSL and TLS are used nearly everywhere and by everyone, and due to this prevalence, it runs the risk of being targeted by its deployment and its wel... | |
What is WEP cracking? | This refers to exploiting weaknesses in the Wired Equivalent Privacy (WEP) encryption protocol used in older wireless networks. WEP is susceptible to several vulnerabilities, particularly its reuse of encryption keys, which allows attackers to intercept packets and recover the key using statistical methods. Cracking to... | |
What are limitations of traceroute? | Despite its usefulness, traceroute does come with certain limitations: Packet Loss Doesn't Always Indicate a Problem: Some routers are configured to deprioritize or drop ICMP packets, especially under load. This can result in perceived latency or packet loss that doesn't actually affect real traffic. Load Balancing Can... | |
State the difference between a virus and worm | -Worms: Worms are similar to viruses, but do not modify the program. It replicates more and more to slow down your computer system. The worm can be controlled with a remote control. The main purpose of worms is to eat up system resources. The 2000 WannaCry ransomware worm exploits the resource-sharing protocol Windows ... | |
Discuss port scanning. | Port scans help determine which ports are open, listening, or closed on a network. You use port scanning to test network security and the system's firewall strength. Here are the most common forms of port scanning: Ping scan Stealth scanning TCP connect TCP half-open UDP | |
Give some examples of asymmetric encryption algorithms | Asymmetric key cryptography is based on public and private key cryptography. It uses two different keys to encrypt and decrypt messages. More secure than symmetric key cryptography, but much slower. -You need two keys, a public key, and a private key. One for encryption and one for decryption. -The ciphertext size is e... | |
What is cloud-based cloud security monitoring? | Cloud-based cloud security monitoring is a solution that provides real-time visibility into cloud security threats and risks | |
What is security with two variables, and how will it be applied for public websites? | wo-factor verification is also referred to as double-factor authentication, or two-step validation, in which the device requires two multi-factor authentications to encrypt user accounts and services while communicating. Two considerations can be added to encourage more activism on your current account using a password... | |
How does Secure Socket Layer (SSL) work? | SSL protocol ensures secure data transmission between web browsers and servers using encryption, authentication, and data integrity checks. | |
What's the difference between hashing and encryption? | Hashing is the process of converting data into a different format that only an authorized person can access, whereas encryption involves coding the data where a person with an encryption key or a password can access the data. Hashing offers more data security than encryption. | |
Explain the concept of a digital signature | Adigital signatureemploys cryptographic methods to confirm the genuineness and unaltered state of a digital document or message, assuring both the sender's authenticity and the content's integrity. | |
What are the three primary goals of security? | The three primary goals of security are confidentiality, integrity, and availability (CIA). | |
What does a Cybersecurity Project Manager do? | "Project managers are change agents…They make project goals their own and use their skills and expertise to inspire a sense of shared purpose within the project team." ( The Project Management Institute - PMI ) Add in the needs and tasks performed by a cybersecurity executive and you have a role that juggles both tech,... | |
What is network sniffing? | Network sniffing is the practice of intercepting and analyzing network traffic to gather information, potentially for malicious purposes. It can be used for monitoring or attacks. | |
Describe the 80/20 rule of networking | The 80/20 rule, also known as the Pareto Principle, in networking, suggests that 80% of network issues or inefficiencies come from 20% of the causes. This principle can be applied to various aspects of networking, such as: Traffic : 80% of network traffic may come from 20% of applications or users. Performance : 80% of... | |
Explain the difference between a Threat, Vulnerability, and Risk in cybersecurity | -Threat: Any potential danger or harmful event that can exploit vulnerabilities and negatively impact security. -Vulnerability: Weaknesses or gaps in security measures that threats can exploit. -Risk: The probability of a threat capitalizing on a vulnerability and the potential consequences or damage it may inflict. | |
What is a hybrid cloud? | A hybrid cloud is a cloud computing environment that combines on-premises infrastructure with public cloud services. | |
How would you summarize the most common threats to AI systems, particularly those involved in critical business operations, and what preliminary steps can organizations take to mitigate them? | AI deployments can be compromised by various targeted threats. Adversarial attacks leverage carefully modified inputs that cause the model to misclassify or generate skewed results. Data poisoning occurs when malicious actors insert corrupted samples into the training set, undermining the model's reliability. Model inv... | |
What is VLAN? And what are the differences between a VPN and a VLAN? | The VPN is a remote access network with an encrypted and secured tunnel. A VPN prevents hackers from accessing the network and doesn't allow people to capture the data packets. Meanwhile, the virtual LAN (VLAN) is a broadcast domain that is isolated within a computer network at the data link layer. Using a VLAN, we can... | |
How do you evaluate and implement encryption strategies to safeguard the data at rest and in transit throughout the AI life cycle? | I first categorize data based on its sensitivity—training data, model parameters, and inference requests—and determine suitable encryption levels. A strong approach might include AES-256 with robust key management for data at rest, ensuring keys are rotated regularly and stored securely—data in transit benefits from TL... | |
As a CISO, how would you justify security spending to the board of directors? | Justifying Security Spend: Risk Reduction : Demonstrate how investing in security measures reduces the risk of data breaches and other incidents, thereby protecting the organization's assets and reducing potential financial losses. Cost Comparison : Compare the cost of security investments against the potential financi... | |
What security conferences have you participated in over the past 24 months? | I don't attend conferences personally, but some major cybersecurity conferences you might be interested in are: Black Hat : Known for in-depth security research and hands-on training. DEF CON : Focuses on hacking and cybersecurity community knowledge sharing. RSA Conference : Offers a broad range of sessions on various... | |
How do threat detection systems work? | Threat detection systems monitor network traffic, system logs, and user behavior to identify potential threats. They utilize techniques such as: Signature-based detection : Identifying known attack patterns. Anomaly-based detection : Detecting deviations from normal behavior. Machine learning algorithms : Continuously ... | |
What kind of cookie can be used in a spyware attack? | Tracking cookies are most commonly-used in spyware attacks because they can last through multiple sessions, unlike the session cookie which lasts for only one session. | |
How to avoid identity theft? | Here's what to do to stop identity theft: Make sure the password is consequential and special Don't exchange sensitive information online, especially on social media Buy from reliable and established websites Using the new Web Update Download sophisticated malware and spyware software Using advanced protections against... | |
What is a cloud-based identity and access management (IAM)? | Cloud-based IAM is a solution that manages identities, access, and privileges in cloud environments to prevent unauthorized access and data breaches. | |
What parameters define an SSL session state? | several key attributes: Session Identifier - uniquely identifies the session Cipher Specification - defines the algorithms used for encryption Compression Method - method used to compress data before encryption Master Secret - shared secret used to generate session keys Peer Certificate - the digital certificate used t... | |
How can you strengthen user authentication in the company? | To enhance user authentication, I'd use two-factor authentication or, depending on the company's needs, a non-repudiation approach. After that, I'd use these two methods with the network for failsafe authentication. | |
What is a security awareness training as a service? | Security awareness training as a service is a managed service that provides regular security awareness training to employees to improve their security knowledge and behaviours. | |
How do you bypass 403/401 in web pentesting? | Add headers: X-Original-URL: /admin X-Forwarded-For: 127.0.0.1 Change HTTP verbs: POST → GET Add directory slashes, dots: /admin/./, /admin%2f | |
What are Best Practices for Using Traceroute? | Use traceroute from different geographic locations to compare routing behavior. Combine traceroute with tools like ping, dig, or whois for more context. Document baseline routes to identify future anomalies or changes. For persistent issues, compare traceroute data with network logs and IDS alerts. By mastering tracero... | |
What is multi-factor authentication and why is it important? | Multi-factor authentication (MFA) is a way of making sure someone really is who they say they are by requiring more than just a password. Instead of relying on a single form of authentication, MFA adds one or more additional layers that fall into different categories: Something you know like a password or a PIN Somethi... | |
How do you manage security in a hybrid cloud environment? | Secure hybrid cloud environments with consistent security policies, identity management, and data protection across on-premises and cloud resources. | |
Explain the difference between an IDS and an IPS. | IDS stands for Intrusion Detection System and only detects intrusions; the administrator is responsible for preventing intrusions. An IPS, on the other hand, stands for Intrusion Prevention System. The IPS detects the intrusions and takes action to prevent intrusions. | |
What is a cloud-based single sign-on (SSO)? | Cloud-based SSO is a solution that allows users to access multiple cloud-based applications and services with a single set of login credentials. | |
What is the typical breakdown of findings in a security penetration test? | In application security pen tests, 50% of findings are vulnerabilities. The rest includes business logic errors, configuration issues, and compliance issues. Business logic errors arise from flawed functionality, configuration issues come from misconfigured systems, and compliance issues stem from failing to meet regul... | |
What are the different types of network security? | Network security encompasses several layers of protection, including: Perimeter Security : Securing the network's boundary using firewalls and intrusion prevention systems. Intrusion Detection Systems (IDS): Monitoring traffic for suspicious activities. Virtual Private Networks (VPNs): Encrypting data transmissions ove... | |
What is the difference between a vulnerability and an exploit? | -Vulnerability: A vulnerability is an error in the design or implementation of a system that can be exploited to cause unexpected or undesirable behaviour. There are many ways a computer can become vulnerable to security threats. A common vulnerability is for attackers to exploit system security vulnerabilities to gain... | |
What is a cloud-based security operations centre (SOC)? | A cloud-based SOC is a centralized unit that monitors and responds to security incidents in cloud environments in real time. | |
What are the challenges in cloud security? | Challenges include data breaches, compliance, data loss prevention, and securing shared responsibility models in cloud environments. | |
What are the differences between symmetric and asymmetric encryption? And which is better? | Symmetric encryption is a type of encryption that uses a single key, a secret key, to both encrypt and decrypt electronic information. Entities communicating via symmetric encryption must exchange the key so they can be used in the decryption process. On the other hand, Asymmetric encryption uses two keys, one public a... | |
What is a Network Intrusion Detection System (NIDS)? | NIDS is designed to monitor network traffic for suspicious activities or policy violations. It analyzes packets as they travel across the network and flags any traffic that matches predefined attack signatures or unusual behavioral patterns. Interviewees should differentiate between signature-based detection, which rel... | |
What are the components that make Secure Sockets Layer (SSL) function effectively? | Handshake Protocol - Establishes session parameters and exchanges cryptographic keys Encryption Algorithms - Determines how data is securely transmitted Change Cipher Spec Protocol - Signals the transition to the newly agreed-upon cipher SSL Record Protocol - Manages the encapsulation and transmission of application da... | |
What is a vulnerability scan? | A vulnerability scan is an automated process that identifies potential vulnerabilities in a system or network. | |
What steps do you take to stay abreast of the latest cyber threats and trends? | I am committed to continuous learning and professional development. I regularly attend industry conferences, webinars, and workshops. Additionally, I am pursuing relevant certifications, including [Best Cyber Security mention certifications], which help me stay updated on the latest threats, vulnerabilities, and securi... | |
Explain the main difference between Diffie-Hellman and RSA | -Diffie-Hellman (DH) algorithm: It is a key exchange protocol that allows two parties to communicate over a public channel and establish a shared secret without sending it over the Internet. DH allows two people to use their public key to encrypt and decrypt conversations or data using symmetric cryptography. -RSA : It... | |
What is a cloud-based threat intelligence platform? | A cloud-based threat intelligence platform is a solution that provides real-time threat intelligence feeds to help organizations improve their incident response and threat prevention capabilities. | |
What tools do you use during recon? | Passive Recon: Whois, Shodan, Google Dorking Active Recon: Nmap, Sublist3r, Amass, DNSenum OSINT: theHarvester, SpiderFoot | |
Can you walk me through the economics of cybersecurity? | Cost-Benefit Analysis : Evaluating the cost of implementing security measures versus the potential financial impact of security breaches. This includes assessing direct costs like fines and legal fees, as well as indirect costs such as reputational damage and operational disruptions. Risk Management : Investing in cybe... | |
What's phishing? | Phishing involves a cybercriminal posing as a legitimate entity such as your cable company, eBay, PayPal, financial institutions, etc. The scammer sends an email, phone call, or text message to a target to convince them to click on a link, which, unbeknownst to the victim, takes them to a fake website where they're pro... | |
Explain the three-way handshake. | The three-way handshake is a TCP/IP network method to connect the host with a client. It's called a three-way handshake because it uses a three-step method for packet exchange between the client and the server. The three steps are: The client sends a SYN(Synchronize) packet to the server to see if the server is up and ... | |
Explain the honeypot and its types | A honeypot is a networked system that acts as a trap for cyber attackers to detect and investigate hacker tactics and types of attacks. Acting as a potential target on the Internet, it notifies defenders of unauthorized access to information systems. Honeypots are classified based on their deployment and intruder invol... | |
How do you stay updated on the latest cybersecurity threats and vulnerabilities? | Subscribe to cybersecurity newsletters and blogs. Participate in industry conferences and webinars. Engage with professional cybersecurity communities and forums. | |
What is a buffer overflow? | A buffer overflow is a type of vulnerability that occurs when more data is written to a buffer than it can hold, allowing an attacker to execute malicious code. | |
What Is multi-factor authentication and how does it enhance security? | MFA bolsters security by necessitating users to furnish multiple authentication factors, typically a combination of something they possess (e.g., a mobile token) and something they are aware of (e.g., a password). | |
What is a cloud-based cloud access security broker (CASB)? | Cloud-based CASB is a solution that monitors and controls cloud service usage to detect and prevent security threats. | |
What do you mean by a Null Session? | Null session attacks have existed since Windows 2000 was widely used. However, system administrators do not consider this type of attack when implementing network security measures. This can have unimaginable consequences, as this type of attack allows hackers to obtain all the information they need to access your syst... | |
What is vulnerability management as a service? | Vulnerability management as a service is a managed service that identifies and prioritizes vulnerabilities, provides remediation guidance, and tracks progress. | |
What is a distributed denial of service (DDoS) attack? | A DDoS attack is a type of attack that uses multiple compromised systems to flood a system or network with traffic. | |
Is it possible to reset a password-protected BIOS configuration? | Yes. You can: Unplug your PC, remove the CMOS battery for 15-30 minutes, and replace it Use third-party software like CmosPwd and Kiosk You can run commands from the MS-DOS prompt using the debug tool. You will need access to the installed OS. | |
What are the key elements of a strong security policy? | A strong security policy includes elements like access control, encryption, regular updates, user training, incident response plans, and compliance with relevant regulations. | |
What is the difference between active and passive cyber attacks? | -Active Cyber Attack: An active attack is a type of attack in which the attacker modifies or attempts to modify the content of the message. Active attacks are a threat to integrity and availability. Active attacks can constantly corrupt the system and modify system resources. Most importantly, if there is an active att... | |
What is threat intelligence? | Threat intelligence is the process of gathering, analyzing, and sharing information about potential security threats to improve incident response and threat prevention. | |
What is port scanning? | Port scanning is a technique used to identify open ports and services available on a networked device. This information can help security analysts determine potential entry points into a system. While security professionals use port scanning for legitimate purposes such as vulnerability assessments and system hardening... | |
What are some common Hashing functions? | The hash function is a function that converts a specific numerical key or alphanumeric key into a small practical integer value. The mapped integer value is used as an index for hash tables. Simply put, a hash function maps any valid number or string to a small integer that can be used as an index into a hash table. Th... | |
Discuss the role of artificial intelligence in cybersecurity | AI is used for threat detection, pattern recognition, and anomaly detection to improve cybersecurity defenses and automate incident response. | |
How do you approach the incident response process? | Incident response is an important aspect of cyber security. My approach includes a well-defined plan that includes preparedness, detection, prevention, mitigation, recovery and lessons learned. I quickly cross- Work closely with functional teams to assess the nature and impact of the incident, isolate affected systems,... | |
How to secure a Linux server? | candidates can reference a widely accepted three-step approach: auditing, hardening, and compliance. Auditing involves assessing the current state of the system. This includes checking open ports, installed packages, access rights, and system logs. Hardening means configuring the system to reduce vulnerabilities. This ... |
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Cybersecurity QA
This dataset contains instruction–response pairs focused on cybersecurity concepts.
It can be used for instruction-tuned fine-tuning of LLMs
Dataset Structure
- Format: JSONL (
.jsonl) - Each line is a JSON object with fields:
instruction: the task or questioninput: optional extra context (empty string in this dataset)output: the expected answer
Example:
{"instruction": "What is cybersecurity's primary purpose?", "input": "", "output": "Cybersecurity's primary purpose is to protect confidential data against cyberattacks such as accessing, changing, or destroying sensitive information."}
{"instruction": "Define cybersecurity", "input": "", "output": "The term \"cybersecurity\" refers to the collection of protection of physical and digital systems, software, and data from attackers."}
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