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Q221. What is lateral movement?

1. Movement by an attacker from one compromised system to another
   2. Movement of employees between departments
   3. Physical movement of network equipment
   4. Movement of backup files to storage

Correct Answer: 1

Explanation:
Lateral movement describes an attacker’s activity after gaining an initial foothold in an environment and attempting to access additional systems or resources. Attackers may use stolen credentials, remote services, administrative tools, vulnerabilities, or other techniques to move from one compromised system to another. The purpose may be to locate valuable information, obtain higher privileges, compromise additional accounts, or reach critical systems. Security teams can reduce lateral movement risks through network segmentation, least privilege, strong authentication, endpoint monitoring, and appropriate access controls. Detecting unusual remote connections, abnormal administrative behavior, and unexpected authentication patterns can also help identify lateral movement during an investigation.

Q222. What is data exfiltration?

1. Unauthorized transfer of data from an environment
   2. Authorized data backup
   3. Routine software installation
   4. Network segmentation

Correct Answer: 1

Explanation:
Data exfiltration occurs when an unauthorized party transfers information out of an environment. Attackers may attempt to steal customer information, credentials, intellectual property, financial records, or other sensitive data. Exfiltration can occur through network connections, cloud services, email, removable media, compromised accounts, or other channels. Security teams can detect and prevent exfiltration using controls such as Data Loss Prevention, network monitoring, access restrictions, endpoint security, and anomaly detection. Investigators should consider what information was accessed, how it was transferred, where it was sent, and which accounts or systems were involved. Rapid detection can help limit the amount of sensitive information that leaves the organization.

Q223. What is privileged access management (PAM)?

1. Managing and protecting accounts with elevated privileges
   2. Increasing privileges for every user
   3. Removing all administrator accounts
   4. Disabling authentication requirements

Correct Answer: 1

Explanation:
Privileged Access Management, or PAM, focuses on controlling, monitoring, and protecting accounts that have elevated permissions. Privileged accounts can make significant changes to systems, security configurations, applications, and sensitive data, making them attractive targets for attackers. PAM solutions can support controls such as credential management, privileged session monitoring, just-in-time access, approval workflows, and auditing. Limiting privileged access reduces the risk that compromised administrative credentials will be abused. Organizations should also ensure that privileged accounts are used only when necessary and that their activities are appropriately logged. Strong PAM practices complement least privilege and help provide greater visibility into high-risk administrative actions.

Q224. What is User and Entity Behavior Analytics (UEBA) used for?

1. Identifying unusual behavior by users and other entities
   2. Increasing network bandwidth
   3. Replacing all authentication systems
   4. Creating application source code

Correct Answer: 1

Explanation:
User and Entity Behavior Analytics, or UEBA, analyzes activity patterns associated with users, devices, applications, and other entities to identify behavior that deviates from expected norms. For example, an account that normally accesses resources during business hours from a familiar location may generate additional scrutiny if it suddenly performs unusual administrative actions or accesses large amounts of sensitive information. UEBA can help identify compromised accounts, insider threats, privilege misuse, and other abnormal behavior. It often uses historical activity and contextual information to establish behavioral baselines. UEBA should not automatically treat every unusual event as malicious; analysts need to consider business context and investigate suspicious deviations appropriately.

Q225. What is security data enrichment?

1. Adding useful contextual information to security events or alerts
   2. Deleting information from security logs
   3. Disabling security alerts
   4. Removing endpoint telemetry

Correct Answer: 1

Explanation:
Security data enrichment improves the usefulness of alerts and events by adding relevant contextual information. For example, an alert involving an IP address could be enriched with threat intelligence reputation, geographic information, asset ownership, domain information, or historical activity. An alert involving a user could be supplemented with identity information, department, role, recent authentication history, and privilege level. Enrichment helps analysts understand the significance of an event without manually gathering information from multiple systems. This can improve investigation speed and alert prioritization. Security orchestration platforms can automate enrichment workflows so that important context is added to alerts before analysts begin their investigation.

Q226. What is threat intelligence?

1. Information that helps organizations understand current or potential threats
   2. A method for increasing processor speed
   3. A tool used only for file compression
   4. A replacement for all security controls

Correct Answer: 1

Explanation:
Threat intelligence is information that helps security teams understand threats, attackers, techniques, indicators, and potential risks. It may include information about malicious infrastructure, attack techniques, malware families, exploited vulnerabilities, threat actors, and indicators of compromise. Security teams can use threat intelligence to improve detection rules, prioritize vulnerabilities, support investigations, and guide threat hunting. Useful intelligence should be relevant to the organization’s environment and presented in a way that supports decision-making. Threat intelligence can come from internal incidents, security vendors, industry sources, government organizations, or other trusted sources. It is most valuable when integrated into practical security operations rather than simply collected without analysis.

Q227. What is an attack vector?

1. A method or path used by an attacker to gain unauthorized access or cause harm
   2. A security employee’s job title
   3. A type of backup file
   4. A network monitoring dashboard

Correct Answer: 1

Explanation:
An attack vector is a method, technique, or pathway that an attacker can use to compromise a system or organization. Examples include phishing, stolen credentials, vulnerable software, malicious files, exposed services, and compromised third-party accounts. Understanding attack vectors helps security teams identify how attackers might enter or move through an environment and determine which controls should be strengthened. Organizations can reduce attack-vector exposure through vulnerability management, strong authentication, secure configuration, user awareness, network segmentation, endpoint security, and continuous monitoring. Security teams should regularly assess both known and emerging attack vectors because changes in technology, cloud services, applications, and business processes can introduce new opportunities for attackers.

Q228. What is command-and-control (C2) traffic?

1. Communication between compromised systems and attacker-controlled infrastructure
   2. Normal communication between employees
   3. Backup traffic between trusted servers only
   4. Software update traffic exclusively

Correct Answer: 1

Explanation:
Command-and-control traffic is communication between a compromised system and infrastructure controlled or operated by an attacker. After compromising a device, attackers may establish communication channels to send commands, receive information, download additional malware, maintain persistence, or coordinate further actions. C2 communication can use common protocols and services, making detection challenging. Security teams can analyze network traffic, domain information, connection patterns, endpoint telemetry, and threat intelligence to identify suspicious C2 behavior. Unusual outbound connections, repeated communication with suspicious destinations, or unexpected application behavior can provide useful clues. Detecting and blocking malicious C2 communication can disrupt an attack and prevent compromised systems from receiving further instructions.

Q229. What is application allowlisting?

1. Allowing only approved applications to execute
   2. Allowing every application to execute without restrictions
   3. Blocking all operating system processes
   4. Removing endpoint security software

Correct Answer: 1

Explanation:
Application allowlisting is a security control that restricts software execution to applications that have been explicitly approved. Instead of trying to identify every possible malicious application, the organization defines what software is trusted and prevents unauthorized programs from running. This approach can reduce the risk of malware, unauthorized tools, and unapproved software executing on endpoints. Effective allowlisting requires proper management because legitimate software changes and updates must be incorporated into the approved list. Security teams should also consider scripts, interpreters, libraries, and other execution methods that attackers may abuse. When appropriately configured, application allowlisting can provide a strong additional layer of endpoint protection.

Q230. What is an intrusion prevention system (IPS)?

1. A security system that can detect and block malicious network activity
   2. A system used only to store backups
   3. A tool that increases internet speed
   4. A system that creates user passwords

Correct Answer: 1

Explanation:
An Intrusion Prevention System, or IPS, monitors network traffic for patterns associated with malicious or unauthorized activity and can take preventive action when a threat is detected. Depending on its configuration, an IPS may block suspicious traffic, reset connections, or otherwise prevent the identified activity from reaching its intended destination. IPS technologies commonly use signatures, protocol analysis, behavioral techniques, and other detection methods. Security teams must carefully tune IPS policies because legitimate traffic can sometimes resemble malicious behavior. Effective deployment can help protect networks from known attacks and suspicious activity while providing useful security events for investigation and monitoring.

Q231. What is an intrusion detection system (IDS)?

1. A system that detects suspicious activity and generates security alerts
   2. A system that automatically creates employee accounts
   3. A system that replaces all firewalls
   4. A system that deletes network traffic

Correct Answer: 1

Explanation:
An Intrusion Detection System, or IDS, monitors activity and attempts to identify suspicious or malicious behavior. When potentially harmful activity is detected, the IDS generally generates an alert for security personnel or another security system to investigate. IDS technologies can monitor network traffic, hosts, or specific activities depending on their design. Unlike an IPS, an IDS is primarily focused on detection and alerting rather than directly blocking traffic. Security teams can use IDS alerts as part of broader monitoring and incident response processes. Proper tuning is important because excessive false positives can overwhelm analysts, while overly restrictive detection can result in missed threats.

Q232. What is security baseline monitoring?

1. Monitoring systems for deviations from an approved secure configuration
   2. Disabling configuration checks
   3. Removing all system settings
   4. Allowing unrestricted configuration changes

Correct Answer: 1

Explanation:
Security baseline monitoring compares current system configurations against approved standards or expected secure configurations. A baseline may define requirements for operating systems, network devices, applications, endpoints, cloud resources, and other technologies. Monitoring can identify unauthorized or unexpected changes, such as disabled security services, altered firewall settings, weak password requirements, or unnecessary open ports. Detecting deviations helps security teams investigate whether a change was legitimate, accidental, or potentially malicious. Baselines should be maintained as environments evolve, and authorized changes should be documented appropriately. Continuous baseline monitoring provides another layer of visibility and can help organizations maintain consistent security configurations across large environments.

Q233. What is security log retention?

1. Keeping security logs for a defined period for monitoring, investigation, or compliance
   2. Deleting logs immediately after creation
   3. Preventing all systems from generating logs
   4. Replacing logs with passwords

Correct Answer: 1

Explanation:
Security log retention refers to preserving security-related logs for a defined period. Logs can provide valuable evidence during incident investigations and help analysts understand what occurred before, during, and after a security event. Retention requirements may depend on organizational policies, legal obligations, regulatory requirements, investigation needs, and available storage. Logs should be protected against unauthorized modification or deletion because attackers may attempt to destroy evidence. Organizations should also ensure that important logs are generated consistently and stored in appropriate systems. A well-designed retention strategy balances investigative value, compliance requirements, storage costs, and privacy considerations while ensuring that critical evidence remains available when needed.

Q234. What is security event correlation?

1. Connecting related events to identify meaningful patterns or suspicious activity
   2. Deleting unrelated security events
   3. Disabling event collection
   4. Increasing network bandwidth

Correct Answer: 1

Explanation:
Security event correlation involves analyzing multiple security events together to identify relationships and patterns that may not be obvious when events are viewed individually. For example, a failed login, a successful authentication from an unusual location, privilege escalation, and access to sensitive data may collectively indicate suspicious activity. Correlation is a key capability in security monitoring and SIEM systems. By connecting related events, analysts can reduce noise and obtain a more complete picture of potential attacks. Correlation rules should be carefully designed and regularly reviewed because poor rules can generate excessive alerts or miss meaningful relationships. Contextual information can further improve the accuracy of correlated detections.

Q235. What is security analytics?

1. Analyzing security data to identify patterns, risks, and potential threats
   2. Deleting all security information
   3. Managing office equipment
   4. Disabling endpoint monitoring

Correct Answer: 1

Explanation:
Security analytics involves examining security-related data to identify suspicious patterns, risks, and potential threats. Analysts may use information from network traffic, endpoint activity, authentication logs, cloud services, applications, threat intelligence, and other sources. Analytics can help identify anomalies, relationships between events, attack patterns, and indicators that require investigation. Advanced analytics may use statistical techniques, behavioral analysis, and other methods to detect activity that does not match expected behavior. Security analytics is particularly valuable when organizations generate large volumes of security data that cannot be reviewed manually. The quality of analytics depends heavily on the completeness, accuracy, and context of the underlying security data.

Q236. What is evidence preservation during incident response?

1. Protecting relevant evidence from alteration, loss, or unauthorized access
   2. Immediately deleting all affected files
   3. Modifying logs to hide suspicious activity
   4. Disabling forensic collection

Correct Answer: 1

Explanation:
Evidence preservation is an important part of incident investigation because security teams may need to determine exactly what happened, how an attacker gained access, what systems were affected, and what actions were performed. Evidence can include logs, disk information, memory data, files, network records, authentication information, and other relevant artifacts. Investigators should take appropriate steps to protect evidence from accidental modification, deletion, or unauthorized access. Maintaining reliable records about how evidence was collected and handled can also support the credibility of an investigation. Even when an organization does not expect legal proceedings, preserving evidence can improve technical understanding and help identify weaknesses that need remediation.

Q237. What is a security risk assessment?

1. Identifying, evaluating, and prioritizing security risks
   2. Removing all security policies
   3. Increasing the number of vulnerabilities
   4. Disabling security monitoring

Correct Answer: 1

Explanation:
A security risk assessment helps an organization understand potential threats and weaknesses and determine which risks require attention. The process generally considers assets, threats, vulnerabilities, likelihood, potential impact, and existing controls. The resulting information can help security leaders prioritize investments and remediation activities. For example, a highly exposed vulnerability affecting a critical business system may receive higher priority than a lower-risk weakness on a less important asset. Risk assessments should be revisited when environments, technologies, threats, or business requirements change. They support informed decision-making by helping organizations focus security resources on areas where reducing risk can provide the greatest benefit.

Q238. What is attack surface management?

1. Identifying and monitoring assets and exposures that attackers could potentially target
   2. Removing every internet connection
   3. Disabling asset discovery
   4. Deleting vulnerability information

Correct Answer: 1

Explanation:
Attack surface management focuses on identifying and monitoring the systems, applications, services, devices, cloud resources, and other assets that could potentially be targeted by attackers. Organizations may have internet-facing assets that are unknown, forgotten, misconfigured, or no longer required. These assets can create security exposure if they contain vulnerabilities or unnecessary services. Attack surface management helps security teams maintain better visibility and identify changes in exposure over time. It can support vulnerability management by helping teams understand which assets are externally reachable and potentially more attractive to attackers. Maintaining an accurate inventory and continuously monitoring changes can significantly improve an organization’s overall security posture.

Q239. What is incident documentation?

1. Recording incident details, actions, evidence, findings, and decisions
   2. Deleting all investigation records
   3. Disabling security alerts
   4. Removing incident timelines

Correct Answer: 1

Explanation:
Incident documentation provides a structured record of what happened during a security incident and how the organization responded. Documentation can include timestamps, affected systems, alerts, evidence, investigation findings, containment actions, eradication steps, recovery activities, communications, and decisions made by responders. Accurate documentation helps security teams coordinate activities and prevents important information from being lost during a complex investigation. It can also support post-incident reviews and help organizations identify improvements to security controls and response procedures. Clear documentation should be factual, organized, and updated throughout the incident. Maintaining reliable records also helps demonstrate that appropriate response procedures were followed.

Q240. What is the primary purpose of a Security Operations Center (SOC)?

1. To continuously monitor, detect, investigate, and respond to security threats
   2. To manage employee payroll
   3. To increase website traffic
   4. To replace all business applications

Correct Answer: 1

Explanation:
A Security Operations Center, or SOC, is responsible for coordinating and performing many of an organization’s ongoing security monitoring and response activities. SOC personnel and technologies work together to collect security data, monitor alerts, investigate suspicious behavior, identify incidents, contain threats, and support recovery. A SOC may use technologies such as SIEM, EDR, firewalls, threat intelligence platforms, security orchestration tools, and network monitoring systems. Analysts typically prioritize alerts according to risk and investigate events that could represent real threats. An effective SOC also improves security over time by analyzing incidents, tuning detections, developing playbooks, and using lessons learned to strengthen defensive capabilities.