Glossary: Endpoint, Application and Email Security

digital signature

A hash signed with a private key, which anyone with the matching public key can check to see who signed it and that it hasn't changed. Code signing and DKIM both use digital signatures.

Where the book teaches it

Chapter 3: Application Security
Chapter 4: Email and Operating System Security

Related terms

code signing DKIM (DomainKeys Identified Mail)private key public key hash