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| Section | Objectives |
|---|---|
| Endpoint and Malware Analysis | - Use of Cisco endpoint security technologies - Endpoint telemetry analysis - Malware behavior identification |
| Network Forensics and Traffic Analysis | - Network flow analysis using Cisco tools - Identifying malicious traffic patterns - Packet capture and analysis |
| Security Monitoring and Cisco Technologies | - Cisco Secure Endpoint (AMP) usage - Cisco Secure Network Analytics (Stealthwatch) - Log correlation and SIEM concepts |
| Digital Forensics Fundamentals | - Disk and memory forensics concepts - Forensic data acquisition techniques - Evidence handling and chain of custody |
| Incident Response Process | - Incident identification and triage - Preparation and readiness for security incidents - Containment, eradication, and recovery procedures |
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NEW QUESTION # 80
In a secure government communication network, an automated alert indicates the presence of anomalous DLL files injected into the system memory during a routine update of communication protocols. These DLL files are exhibiting beaconing behavior to a satellite IP known for signal interception risks. Concurrently, there is an uptick in encrypted traffic volumes that suggests possible data exfiltration. Which set of actions should the security engineer prioritize?
Answer: A
Explanation:
In highly sensitive environments such as secure government networks, the presence of anomalous DLL injection, beaconing to known interception points, and signs of encrypted data exfiltration constitutes a critical incident. The appropriate response in such classified contexts involves:
Invoking a pre-established, classified incident response protocol,
Immediately notifying national cyber defense operatives (such as national CERT or military cyber command), Prioritizing containment to stop lateral spread, Proceeding with eradication of malware or backdoors.
This response sequence aligns with the high-severity, immediate-response model described in the Cisco CyberOps Associate v1.2 curriculum under national defense and classified incident frameworks. The study guide emphasizes the importance of stakeholder communication and multi-agency coordination during advanced persistent threat (APT) intrusions involving critical infrastructure or defense systems.
Reference: CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter: Critical Infrastructure and Advanced Threat Response, Incident Response Phases for Government Systems.
NEW QUESTION # 81
A SOC team identifies the presence of APT29. The threat actor gained access to the environment through a phishing email sent to the communications manager one year earlier. APT29 is also known to exploit vulnerabilities remotely to gain access to victims' systems. The SOC team takes the necessary actions and removes the backdoor. What is the next recommended step to protect the environment?
Answer: D
Explanation:
Removing the backdoor eradicates the known foothold, but it does not correct the entry control that failed.
Because the established initial-access vector was a phishing email, deploying email sandboxing directly reduces recurrence by detonating new or suspicious attachments in an isolated environment and assessing their behavior before users can open them. An antimalware sweep may support scoping, but signature-based scanning alone is weaker against a sophisticated actor and does not close the email-delivery gap. Threat intelligence improves awareness, and management reporting is necessary governance, yet neither control analyzes attachments at the point of entry. Cisco states that Secure Email can submit new and suspicious files for behavioral file analysis in a sandbox. The selection also aligns with CBRFIR Incident Response Techniques objectives 3.4 and 3.8: recommend post-incident action and the appropriate Cisco security solution for detection and prevention. Cisco Secure Email Gateway data sheet
NEW QUESTION # 82
Refer to the exhibit.
A network engineer is analyzing a Wireshark file to determine the HTTP request that caused the initial Ursnif banking Trojan binary to download. Which filter did the engineer apply to sort the Wireshark traffic logs?
Answer: D
Explanation:
Reference:
https://www.malware-traffic-analysis.net/2018/11/08/index.html https://unit42.paloaltonetworks.com/wireshark-tutorial-examining-ursnif-infections/
NEW QUESTION # 83
What is a concern for gathering forensics evidence in public cloud environments?
Answer: D
Explanation:
One of the primary concerns when gathering forensic evidence in public cloud environments is the issue of multitenancy. In a shared cloud infrastructure, multiple tenants (organizations or users) operate on the same physical hardware, using virtualization to logically separate resources. This architecture poses a significant challenge for forensic investigations because:
* Forensic investigators must ensure that they do not inadvertently access or expose data belonging to other tenants while collecting evidence.
* This can limit access to low-level system data or hardware-level logs that might be essential for a thorough forensic analysis, since providers must enforce strict data isolation policies.
* This concern is recognized in industry practices and guidelines, including NIST SP 800-86, which underscores the need to collect data in a forensically sound and legally defensible manner-something made more complex in shared environments.
The Cisco CyberOps Associate guide emphasizes the challenges of evidence handling in cloud environments, stating that "gathering evidence in the cloud must be carefully performed to ensure compliance with legal standards and to respect the boundaries of other tenants' data".
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter on Digital Forensics and Cloud Environments, Section: Evidence Collection in Shared Infrastructure (Public Cloud).
NEW QUESTION # 84
A threat intelligence report identifies an outbreak of a new ransomware strain spreading via phishing emails that contain malicious URLs. A compromised cloud service provider, XYZCloud, is managing the SMTP servers that are sending the phishing emails. A security analyst reviews the potential phishing emails and identifies that the email is coming from XYZCloud. The user has not clicked the embedded malicious URL.
What is the next step that the security analyst should take to identify risk to the organization?
Answer: D
Explanation:
Since the phishing email originates from a known compromised cloud provider (XYZCloud), the correct immediate action for the security analyst is to determine the broader scope of exposure. This involves checking whether other users in the organization received similar emails from the same potentially malicious source. Therefore, querying for emails from theIP address rangesorSMTP domainslinked to XYZCloud is essential for identifying other possible attack vectors.
This step aligns with the containment phase of the incident response lifecycle, as outlined in theCyberOps Technologies (CBRFIR) 300-215 study guide, where threat hunting and log analysis are used to determine the extent of compromise and prevent lateral movement or further exposure. Only after the scope is understood should remediation or reporting actions follow.
Reference:CyberOps Technologies (CBRFIR) 300-215 study guide, Chapter: Email-Based Threats and Containment Strategy during Incident Response.
NEW QUESTION # 85
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