Top 11 HIPAA-compliant cybersecurity

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

Why this answer

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

Showing all 2 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. #1Proofpoint(rank #2 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, HIPAA, FedRAMP

    Full gateway plus DLP and encryption for regulated firms.

    Full Proofpoint review · Compare: Proofpoint vs Microsoft Defender for Office 365 · Alternatives

  2. #2Microsoft Defender for Office 365(rank #4 in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026)

    SOC 2 Type II, ISO 27001, HIPAA, FedRAMP

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

    Full Microsoft Defender for Office 365 review · Alternatives

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