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| Section | Weight | Objectives |
|---|---|---|
| Vulnerability Management | 26% | - Vulnerability Response
|
| Incident Response and Management | 24% | - Incident Investigation
|
| Reporting and Communication | 16% | - Reporting
|
| Security Operations | 34% | - Security Operations and Architecture
|
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NEW QUESTION # 116
A company migrated its email solution from hybrid to on premises only. The administrator made the following changes:
Hybrid, before the migration:
- v=spf1 include:cloud.mailprovider.com ip4:200.100.50.25/32 -all
On premises, after the migration:
- v=spf1 ip4:200.100.50.25/32 -all
A few weeks after the migration, multiple clients report that the company's emails are being marked as spam. The systems administrator notices that the SPF record has been manipulated by a threat actor who is spoofing the company's domain. The unauthorized change:
- v=spf1 include:cloud.mailprovider.com ip4:100.50.25.10 -all
Which of the following explains the reason legitimate emails are being marked as spam?
Answer: C
Explanation:
After the unauthorized change, the SPF record no longer contained the company's legitimate mail server IP address (200.100.50.25). As a result, emails sent from the company's actual mail server failed SPF validation checks at receiving mail systems, causing those messages to be treated as suspicious and frequently marked as spam.
NEW QUESTION # 117
A security analyst reruns infrastructure as code (IaC) to tear down and rebuild a new environment after a ransomware attack. Which of the following describes this phase?
Answer: A
Explanation:
Rebuilding the environment from trusted IaC configurations restores systems and services to normal operation after the ransomware attack.
NEW QUESTION # 118
SIMULATION
A healthcare organization must develop an action plan based on the findings from a risk assessment. The action plan must consist of a recommended list of security controls.
INSTRUCTIONS
Select the appropriate control to implement for each risk finding. Findings may be used only once.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
1. A large number of potentially malicious emails is reaching end-user and shared mailboxes.
Implement SPF
2. The internet-facing web server allows access to internal data without requiring credentials.
Require user authentication
3. Unauthorized software was discovered on technician servers.
Implement file integrity monitoring
4. PHI data was found within the development and test environments.
Require data deidentification
5. Sensitive materials were found on a fax machine in a common area.
Implement PIN to print
6. A large volume of ICMP traffic is detected from an external source to Server2.
Filter echo request replies
These controls respectively address spoofed malicious email, unauthenticated access, unauthorized system changes, exposure of identifiable health data, unattended sensitive printouts, and ICMP-based flooding.
NEW QUESTION # 119
Which of the following is a reason why a SOC team member might spend extra time on a routine incident prior to closing it?
Answer: A
Explanation:
Spending additional time on a routine incident can allow the analyst to develop automation or documented procedures that will handle similar incidents more efficiently in the future. Creating an automated process reduces manual effort, improves response consistency, and enables faster handling of repeated incidents.
NEW QUESTION # 120
An analyst prepares an after action report following an incident in which multiple systems were compromised over several days.
The analyst provides raw event logs from each compromised system in the report and determines that a patient-zero system cannot be found.
Which of the following should the analyst do to determine the patient-zero system?
Answer: B
Explanation:
The analyst must construct an accurate incident timeline . Patient zero is the earliest compromised system from which subsequent malicious activity originated or propagated. Determining it requires ordering events chronologically across all affected hosts and correlating authentication activity, process execution, network connections, malware creation times, lateral movement, and other evidence.
Raw logs alone do not communicate this sequence effectively. Logs from different systems must first use reliable timestamps and then be normalized and correlated. Once events are ordered, the analyst can work backward from known compromises to determine which host displayed the earliest credible signs of intrusion and whether subsequent systems were reached from that host.
Enabling additional monitoring helps detect future activity but does not reconstruct historical sequence by itself. Isolation is necessary during containment but does not establish which system was initially compromised. Shift-handoff improvements are useful organizationally but do not answer the forensic question. Malware composition analysis may identify relationships between samples, but it does not establish system-level chronology.
NIST's incident-response guidance emphasizes analysis, documentation, root-cause understanding, and after- action reporting as inputs to continuous improvement.
Study Guide Reference: Incident Response and Management # Timeline Analysis # Event Correlation # Patient Zero # Root Cause Analysis # After-Action Review.
NEW QUESTION # 121
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