Quick Answer
The answer is personal identifiable information (PII) because privacy regulations like GDPR and HIPAA mandate that PII be excluded from logs to prevent unauthorized exposure of sensitive user data. Logging PII—such as names, email addresses, or Social Security numbers—creates a compliance risk, as logs are often retained for long periods and accessed by multiple teams. On the ISC2 Certified in Cybersecurity CC exam, this question tests your understanding of data privacy principles within security operations, specifically how logging policies must balance monitoring needs with legal obligations. A common trap is confusing PII with operational data like IP addresses or system events, which are generally safe and necessary for threat detection. Remember the memory tip: “Log the event, not the person”—if it identifies an individual, keep it out of the log file.
This CC practice question tests your understanding of security operations. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An organization is implementing a new logging policy. Which type of data should be excluded from logs to comply with privacy regulations?
System performance metrics
Why wrong: Performance metrics are not PII and are safe to log.
User authentication attempts
Why wrong: Authentication attempts are important for security monitoring and do not inherently contain PII.
Personal identifiable information (PII)
Logging PII violates privacy regulations and should be avoided.
Network traffic patterns
Why wrong: Traffic patterns are generally not PII.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Personal identifiable information (PII)
Option C is correct because Personal Identifiable Information (PII) should be excluded from logs to comply with privacy regulations like GDPR. Options A, B, and D are typically safe to log and important for security monitoring.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
System performance metrics
Why it's wrong here
Performance metrics are not PII and are safe to log.
User authentication attempts
Why it's wrong here
Authentication attempts are important for security monitoring and do not inherently contain PII.
Personal identifiable information (PII)
Why this is correct
Logging PII violates privacy regulations and should be avoided.
Related concept
Static NAT maps one inside address to one outside address.
Network traffic patterns
Why it's wrong here
Traffic patterns are generally not PII.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CC NAT questions on configuration and troubleshooting.
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FAQ
Security Operations — This question tests Security Operations — Static NAT maps one inside address to one outside address..
The correct answer is: Personal identifiable information (PII) — Option C is correct because Personal Identifiable Information (PII) should be excluded from logs to comply with privacy regulations like GDPR. Options A, B, and D are typically safe to log and important for security monitoring.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CC NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 24, 2026
This CC practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CC exam.
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