Email is the most widely exploited attack vector in cybersecurity. Protecting your organization’s email infrastructure requires a layered approach. Here are five essential steps.
- Deploy an email security gateway: A dedicated email security gateway filters spam, viruses, and phishing attempts before messages reach your mail server.
- Enable email authentication: Implement SPF, DKIM, and DMARC to prevent email spoofing and protect your domain from being used in phishing attacks.
- Encrypt sensitive email: Use TLS for transport encryption and S/MIME or PGP for end-to-end encryption of sensitive messages.
- Train your users: Regular phishing simulation and security awareness training dramatically reduces the risk of successful phishing attacks.
- Monitor and respond: Monitor email logs for suspicious patterns and have a clear process for users to report suspicious emails.