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| Section | Weight | Objectives |
|---|---|---|
| Reporting and Communication | 16% | - Reporting
|
| Vulnerability Management | 26% | - Vulnerability Assessment
|
| Security Operations | 34% | - Threat Intelligence and Hunting
|
| Incident Response and Management | 24% | - Incident Response Processes
|
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NEW QUESTION # 130
A security operations center (SOC) analyst investigates the results of a password spray test conducted by the vulnerability management team. The analyst must:
- Identify Linux systems that have successful and unsuccessful logins
with username "User1".
- Create an output report named "linux-events" of all the events to a
flat file.
The analyst issues the following console command:
ls /var/log/
The shortened output of the command is below:
Which of the following commands should the analyst use to meet the report output requirements?
Answer: B
Explanation:
/var/log/auth.log contains Linux authentication events, including successful and failed login attempts. grep selects entries for User1, and > writes them to the required flat file.
NEW QUESTION # 131
A server was recently compromised. A security analyst needs to collect artifacts for further analysis before disconnecting the server from the network.
Which of the following artifacts should the analyst collect first?
Answer: B
Explanation:
The analyst should collect the Netstat output first because current network-connection information is highly volatile and will change immediately when the server is disconnected. netstat-type evidence can identify active TCP/UDP connections, listening services, remote endpoints, and potentially the communication channels associated with an attacker or command-and-control infrastructure.
Digital-forensic acquisition follows the order of volatility : evidence most likely to disappear or change should be captured before more persistent artifacts. RFC 3227 explicitly directs investigators to proceed from volatile to less-volatile evidence and identifies information such as routing data, ARP cache, process state, memory-related information, and network state as highly time-sensitive.
The ARP table is also volatile and should be captured early, but the wording "before disconnecting the server from the network" makes active connection state particularly important because those sessions will terminate when network connectivity is removed. ShellBags are persistent forensic artifacts stored within Windows Registry data and can be collected later from disk. A hard-disk image is critical but comparatively nonvolatile and should follow acquisition of live state.
Therefore, live network-session information takes priority.
Study Guide Reference: Incident Response and Management # Evidence Acquisition # Order of Volatility # Live Response # netstat # Network Connections # Forensic Preservation.
NEW QUESTION # 132
Which of the following is the most likely reason an organization might implement compensating controls?
Answer: A
Explanation:
Compensating controls provide alternative protection when the preferred remediation-such as patching-is unavailable or cannot be performed without disrupting a critical system.
NEW QUESTION # 133
There is an alert coming from the security information and event management system.
Which of the following is the first task an analyst should complete?
Answer: C
Explanation:
A SIEM alert is an indication requiring validation; it is not automatically a confirmed security incident. The analyst must therefore begin with triage . Triage establishes whether the activity is legitimate or malicious, determines the affected systems or accounts, evaluates severity and business impact, and establishes the appropriate investigative and escalation path.
Typical triage activities include reviewing the underlying events, checking source and destination information, identifying affected assets, correlating supporting telemetry, evaluating detection confidence, examining threat intelligence, and determining whether the alert represents a true positive. Only after this assessment can the incident be assigned an appropriate priority and routed to the correct responders.
Contacting an incident coordinator before establishing whether the alert represents meaningful risk may create unnecessary escalation. Recovery activities occur substantially later, after detection, analysis, containment, and eradication activities have established what happened and controlled the threat. Escalating directly to the help desk is similarly premature and may be inappropriate for a security event.
NIST's current incident-response model places detection and analysis before response and recovery actions and emphasizes determining event characteristics so appropriate response actions can follow.
Study Guide Reference: Incident Response and Management # Detection # Alert Validation # Triage # Analysis # Severity Determination # Escalation.
NEW QUESTION # 134
Due to some incidents involving non-authorized devices, a company wants to implement a solution that only allows access to its LAN and Wi-Fi if certain policies are matched. Which of the following is the best solution to implement?
Answer: B
Explanation:
Network Access Control (NAC) enforces security policies before allowing devices to connect to wired or wireless networks. It can verify device compliance, authentication status, and other security requirements, ensuring that only authorized and compliant devices are granted access to the LAN and Wi-Fi network.
NEW QUESTION # 135
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