#security
← All tags- Why Adding an Email Signature Can Break DKIM and S/MIME (And How to Avoid It) Adding a signature after a message is cryptographically signed can invalidate that signature. Here's exactly why DKIM and S/MIME break, and the test that proves whether your tool does it.
- Consistent Email Signatures as a Phishing and BEC Defence A centrally managed, consistent email signature gives staff an implicit baseline to check inbound email against. Here's what that actually protects against - and what it doesn't.