数字信封 是什么？
数字信封 A mechanism in cryptography where a message is encrypted with a symmetric key and the symmetric key is then encrypted with a recipient’s public key, ensuring confidentiality and key transport.
Source: ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK
How is “数字信封” Used in Practice?
数字信封通过将对称加密（用于数据）与非对称加密（用于密钥传输）结合，实现安全消息传递。
Certification Exam Relevance
Who Needs to Know This Term?
- SOC Analysts
- Security Engineers
- Incident Responders
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数字信封 是什么？
A mechanism in cryptography where a message is encrypted with a symmetric key and the symmetric key is then encrypted with a recipient’s public key, ensuring confidentiality and key transport.
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