Top 11 GDPR-compliant cybersecurity

Abnormal Security is the highest-ranked Top 11 Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026 provider holding GDPR compliance.

Why this answer

Filtered to entries that publicly document GDPR compliance (in their security page, trust center, or marketing collateral). "In progress" claims do not qualify.

Showing all 7 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026.

  1. #1Abnormal Security(rank #1 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, GDPR

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

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

  2. #2Mimecast(rank #3 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, GDPR

    Security bundled with archiving and outage continuity.

    Full Mimecast review · Alternatives

  3. #3Barracuda Email Protection(rank #5 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, GDPR

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

    Full Barracuda Email Protection review · Alternatives

  4. #4Trend Micro Email and Collaboration Security(rank #7 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, GDPR

    API protection across email and collaboration apps.

    Full Trend Micro Email and Collaboration Security review · Alternatives

  5. #5Sophos Email(rank #9 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, GDPR

    Email folded into the Sophos Central single console.

    Full Sophos Email review · Alternatives

  6. #6Check Point Harmony Email & Collaboration(rank #10 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, GDPR

    Inline API that blocks threats before delivery.

    Full Check Point Harmony Email & Collaboration review · Alternatives

  7. #7Sublime Security(rank #11 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, GDPR

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

    Full Sublime Security review · Alternatives

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