What is Key Usage?
In this glossary, Key Usage refers to: A certificate extension that defines the allowed cryptographic operations for the associated key, such as digital signature or key encipherment.
How is Key Usage used in cybersecurity?
In cybersecurity communication, this term appears in contexts such as: "The key usage extension in X.509 certificates specifies if a key may be used for signing, encryption, or certificate signing."
Why does Key Usage matter in cybersecurity?
Key Usage matters because it supports clear communication in Cryptography contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.
Who uses Key Usage?
Key Usage is mainly used by SOC Analysts, Security Engineers, and Incident Responders.
What category does Key Usage belong to?
In this glossary, Key Usage is grouped under Cryptography. Related pages in this category explain adjacent procedures, commands and operational concepts.
Where does this definition come from?
This definition is sourced from ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK and published by Protermify Cybersecurity as a static cybersecurity reference page.