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NEW QUESTION # 11
During a security assessment using an CDR solution, a security engineer generates the following report about the assets in me system:
After five days, the EDR console reports an infection on the host 0WIN23 by a remote access Trojan Which of the following is the most probable cause of the infection?
Answer: D
Explanation:
OWIN23 is running Windows 7, which is a legacy operating system. Many EDR solutions no longer provide full support for outdated operating systems like Windows 7, which has reached its end of life and is no longer receiving security updates from Microsoft. This makes such systems more vulnerable to infections and attacks, including remote access Trojans (RATs).
A . OWIN23 uses a legacy version of Windows that is not supported by the EDR: This is the most probable cause because the lack of support means that the EDR solution may not fully protect or monitor this system, making it an easy target for infections.
B . LN002 was not supported by the EDR solution and propagates the RAT: While LN002 is unmanaged, it is less likely to propagate the RAT to OWIN23 directly without an established vector.
C . The EDR has an unknown vulnerability that was exploited by the attacker: This is possible but less likely than the lack of support for an outdated OS.
D . OWIN29 spreads the malware through other hosts in the network: While this could happen, the status indicates OWIN29 is in a bypass mode, which might limit its interactions but does not directly explain the infection on OWIN23.
Reference:
CompTIA Security+ Study Guide
NIST SP 800-53, "Security and Privacy Controls forInformation Systems and Organizations" Microsoft's Windows 7 End of Support documentation
NEW QUESTION # 12
An external threat actor attacks public infrastructure providers. In response to the attack and during follow-up activities, various providers share information obtained during response efforts. After the attack, energy sector companies share their status and response data:
Company SIEM UEBA DLP ISAC Member TIP Integration Time to Detect Time to Respond
1 Yes No Yes Yes Yes 10 minutes 20 minutes
2 Yes Yes Yes Yes No 20 minutes 40 minutes
3 Yes Yes No No Yes 12 minutes 24 minutes
Which of the following is the most important issue to address to defend against future attacks?
Answer: C
Explanation:
The data provided shows that all companies have SIEM systems, but they differ in their implementation of UEBA, DLP, ISAC membership, and TIP integration. The key metric to evaluate is the effectiveness in detecting and responding to attacks, as shown by the "Time to Detect" and "Time to Respond" columns. Company 1, which is an ISAC member, has the fastest detection (10 minutes) and response (20 minutes) times. Company 3, which is not an ISAC member, has slower detection (12 minutes) and response (24 minutes) times, despite having UEBA and TIP integration. Company 2, which lacks TIP integration but is an ISAC member, has the slowest times (20 minutes to detect, 40 minutes to respond). This suggests that ISAC membership correlates with faster detection and response, likely due to access to shared threat intelligence.
According to the CompTIA SecurityX CAS-005 objectives (Domain 2: Security Operations, 2.2), Information Sharing and Analysis Centers (ISACs) are critical for enabling organizations to share real-time threat intelligence within their industry. ISACs provide access to actionable intelligence, best practices, and coordinated response strategies, which are essential for defending against sophisticated attacks targeting critical infrastructure like the energy sector. The lack of ISAC membership (Company 3) limits access to this intelligence, hindering proactive defense and response capabilities. While UEBA, DLP, and TIP integration are valuable, they are more focused on internal monitoring, data protection, and individual threat intelligence feeds, respectively, and do not provide the same industry-wide collaboration as an ISAC.
Reference:
CompTIA SecurityX CAS-005 Official Study Guide, Domain 2: Security Operations, Section 2.2: "Explain the importance of threat intelligence sharing and collaboration, including ISACs." CAS-005 Exam Objectives, 2.2: "Analyze the impact of information sharing on incident response efficiency."
NEW QUESTION # 13
A company wants to install a three-tier approach to separate the web. database, and application servers. A security administrator must harden the environment which of the following is the best solution?
Answer: A
Explanation:
The best solution to harden a three-tier environment (web, database, and application servers) is to implement microsegmentation on the server VLANs.
Enhanced Security: Microsegmentation creates granular security zones within the data center, allowing for more precise control over east-west traffic between servers. This helps prevent lateral movement by attackers who may gain access to one part of the network.
Isolation of Tiers: By segmenting the web, database, and application servers, the organization can apply specific security policies and controls to each segment, reducing the risk of cross-tier attacks.
Compliance and Best Practices: Microsegmentation aligns with best practices for network security and helps meet compliance requirements by ensuring that sensitive data and systems are properly isolated and protected.
NEW QUESTION # 14
A company receives several complaints from customers regarding its website. An engineer implements a parser for the web server logs that generates the following output:
which of the following should the company implement to best resolve the issue?
Answer: B
Explanation:
The table indicates varying load times for users accessing the website from different geographic locations. Customers from Australia and India are experiencingsignificantly higher load times compared to those from the United States. This suggests that latency and geographical distance are affecting the website's performance.
A . IDS (Intrusion Detection System): While an IDS is useful for detecting malicious activities, it does not address performance issues related to latency and geographical distribution of content.
B . CDN (Content Delivery Network): A CDN stores copies of the website's content in multiple geographic locations. By serving content from the nearest server to the user, a CDN can significantly reduce load times and improve user experience globally.
C . WAF (Web Application Firewall): A WAF protects web applications by filtering and monitoring HTTP traffic but does not improve performance related to geographical latency.
D . NAC (Network Access Control): NAC solutions control access to network resources but are not designed to address web performance issues.
Implementing a CDN is the best solution to resolve the performance issues observed in the log output.
Reference:
CompTIA Security+ Study Guide
"CDN: Content Delivery Networks Explained" by Akamai Technologies
NIST SP 800-44, "Guidelines on Securing Public Web Servers"
NEW QUESTION # 15
Employees use their badges to track the number of hours they work. The badge readers cannot be upgraded due to facility constraints. The software for the badge readers uses a legacy platform and requires connectivity to the enterprise resource planning solution. Which of the following is the best to ensure the security of the badge readers?
Answer: B
Explanation:
Segmentation is the best option to ensure the security of legacy badge readers that cannot be upgraded. Segmentation isolates the legacy devices on a separate network segment to minimize their exposure to potential threats. This approach reduces the attack surface by preventing unauthorized access from other parts of the network while still allowing necessary connectivity to the enterprise resource planning (ERP) system.
Vulnerability scans (B) are useful for identifying weaknesses but do not actively protect the badge readers.
Anti-malware (C) is ineffective since the badge readers use a legacy platform that likely does not support modern endpoint protection solutions.
NEW QUESTION # 16
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