What is Key Lifetime?
Key Lifetime The maximum period that a cryptographic key is allowed to be active and used for cryptographic operations before mandatory expiration or replacement.
Source: ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK
How is “Key Lifetime” Used in Practice?
Limiting key lifetime reduces the window of opportunity for attackers and is mandated by most compliance standards.
Certification Exam Relevance
Who Needs to Know This Term?
- SOC Analysts
- Security Engineers
- Incident Responders
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What is Key Lifetime?
The maximum period that a cryptographic key is allowed to be active and used for cryptographic operations before mandatory expiration or replacement.
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