There are 4 techniques in this category, Message Hardening.
|Email or Messaging Hardening includes measures taken to ensure the confidentiality and integrity of user to user computer messages.
|Email Or Messaging Hardening
|- Transfer Agent Authentication
|Validating that server components of a messaging infrastructure are authorized to send a particular message.
|- Message Authentication
|Authenticating the sender of a message and ensuring message integrity.
|- Message Encryption
|Encrypting a message body using a cryptographic key.
A knowledge graph of cybersecurity countermeasures