Top 11AI made for AI

The 11 best cybersecurity for enterprise

The best cybersecurity for enterprise is Abnormal Security: Behavioral AI that stops BEC gateways miss, API-deployed in under an hour.

Why this answer

Filtered to entries whose "best for" criterion explicitly mentions enterprise or whose verdict and integrations strongly signal fit. Ranked by methodology score, not segment match strength.

Showing the top 11 of 11+ screened. Methodology at /methodology.

  1. #1Abnormal Security(rank #1 in Top 11 Email Security Software)

    9.2/9.4

    Behavioral AI that stops BEC gateways miss, API-deployed in under an hour.

    Full Abnormal Security review · Compare: Abnormal Security vs Proofpoint · Alternatives

  2. #2Proofpoint(rank #2 in Top 11 Email Security Software)

    9/9.4

    Full gateway plus DLP and encryption for regulated firms.

    Full Proofpoint review · Alternatives

  3. #3Mimecast(rank #3 in Top 11 Email Security Software)

    8.9/9.4

    Security bundled with archiving and outage continuity.

    Full Mimecast review · Alternatives

  4. #4Microsoft Defender for Office 365(rank #4 in Top 11 Email Security Software)

    8.8/9.4

    Native M365 protection, included in E5 at $0 extra.

    Full Microsoft Defender for Office 365 review · Alternatives

  5. #5Barracuda Email Protection(rank #5 in Top 11 Email Security Software)

    8.6/9.4

    API inbox defense plus gateway at a mid-market price.

    Full Barracuda Email Protection review · Alternatives

  6. #6Cisco Secure Email Threat Defense(rank #6 in Top 11 Email Security Software)

    8.5/9.4

    Talos-backed detection wired into the Cisco stack.

    Full Cisco Secure Email Threat Defense review · Alternatives

  7. #7Trend Micro Email and Collaboration Security(rank #7 in Top 11 Email Security Software)

    8.4/9.4

    API protection across email and collaboration apps.

    Full Trend Micro Email and Collaboration Security review · Alternatives

  8. #8Fortinet FortiMail(rank #8 in Top 11 Email Security Software)

    8.3/9.4

    Flexible gateway wired into the Fortinet Security Fabric.

    Full Fortinet FortiMail review · Alternatives

  9. #9Sophos Email(rank #9 in Top 11 Email Security Software)

    8.2/9.4

    Email folded into the Sophos Central single console.

    Full Sophos Email review · Alternatives

  10. #10Check Point Harmony Email & Collaboration(rank #10 in Top 11 Email Security Software)

    8.1/9.4

    Inline API that blocks threats before delivery.

    Full Check Point Harmony Email & Collaboration review · Alternatives

  11. #11Sublime Security(rank #11 in Top 11 Email Security Software)

    7.9/9.4

    Open detection-as-code with a real free tier.

    Full Sublime Security review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .