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Exam CAS-004 topic 1 question 434 discussion

Actual exam question from CompTIA's CAS-004
Question #: 434
Topic #: 1
[All CAS-004 Questions]

A financial institution generates a list of newly created accounts and sensitive information on a daily basis. The financial institution then sends out a file containing thousands of lines of data. Which of the following would be the best way to reduce the risk of a malicious insider making changes to the file that could go undetected?

  • A. Write a SIEM rule that generates a critical alert when files are created on the application server.
  • B. Implement a FIM that automatically generates alerts when the file is accessed by IP addresses that are not associated with the application.
  • C. Create a script that compares the size of the file on an hourly basis and generates alerts when changes are identified.
  • D. Tune the rules on the host-based IDS for the application server to trigger automated alerts when the application server is accessed from the internet.
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Suggested Answer: B 🗳️
by isaphiltrick at July 6, 2024, 4:20 p.m.

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Steel16
1 week, 3 days ago
Selected Answer: B
o FIM effectively addresses the risk of insider threats by providing robust monitoring and alerting mechanisms: o Real-Time Monitoring: File Integrity Monitoring (FIM) continuously monitors files for unauthorized changes, providing real-time alerts when suspicious activity is detected o Access Control: By generating alerts when the file is accessed by unauthorized IP addresses, FIM helps ensure that only legitimate users can interact with the sensitive data o Detailed Auditing: FIM tools maintain detailed logs of file access and modifications, which can be crucial for forensic analysis and compliance
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isaphiltrick
8 months, 1 week ago
Selected Answer: B
File Integrity Monitoring (FIM) is designed to monitor and detect changes to files. Implementing FIM with automatic alerts when the file is accessed by unauthorized IP addresses ensures that any unauthorized or suspicious access attempts are promptly identified. This helps in detecting and preventing malicious insiders from making undetected changes to the file, thereby protecting the integrity of the sensitive data.
upvoted 3 times
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