An administrator must ensure that credit card numbers are not contained in any outside messaging or file transfers from the organization. Which of the following controls meets this requirement?
Comprehensive and Detailed Explanation From Exact Extract:
Data Loss Prevention (DLP) solutions scan messages and file transfers for sensitive data patterns, such as credit card numbers or social security numbers. DLP can block, log, or alert when such information is detected attempting to leave the organization.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide — under “Data Protection and Compliance Controls”:
“DLP systems identify and restrict the transmission of sensitive data such as credit card numbers, enforcing organizational data handling policies.”
Other options:
A. IDS detects threats but doesn’t enforce data content policies.
B. Egress filtering restricts destinations but not content.
D. Encryption protects data in transit, not its content compliance.
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