Email Security
Noun · Security & Infosec
Definitions
The set of controls used to protect email systems and users from spoofing, phishing, malware, account takeover, and data loss. It includes user training, mailbox hardening, DMARC/SPF/DKIM, filtering, and incident response around mail-based attacks.
In plain English: The overall protection of email systems and users from abuse.
Example: "Email security remained the top priority because most reported incidents still started in the inbox."