What is Insufficient Entropy Check?
Insufficient Entropy Check Failure to verify that cryptographic functions use sources of randomness with adequate entropy, increasing the risk of predictable keys or tokens.
Source: ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK
How is “Insufficient Entropy Check” Used in Practice?
SOC alert: The key generation module failed the insufficient entropy check, triggering a high-severity cryptographic warning for the authentication process.
Certification Exam Relevance
Who Needs to Know This Term?
- SOC Analysts
- Security Engineers
- Incident Responders
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What is Insufficient Entropy Check?
Failure to verify that cryptographic functions use sources of randomness with adequate entropy, increasing the risk of predictable keys or tokens.
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