The most secure email signature solution

Exclaimer is secure by design. With built-in protections, global certifications, and regular third-party audits, we deliver millions of emails securely every day—so you never have to second-guess it.

Hero Image

Certified. Compliant. Trusted.

We don’t just say we’re secure—we prove it. Our certifications confirm that Exclaimer meets the strictest global standards for data security, privacy, and compliance—so your organization can move forward with confidence.

SOC 2 Type II

We are SOC 2 Type II certified by the AICPA, ensuring high standards of security, availability, and confidentiality.

Learn more

ISO/IEC 27001 & 27018

We’re ISO/IEC 27001 and 27018 certified, demonstrating that we manage sensitive data and protect personally identifiable information (PII) in the cloud through a rigorously maintained Information Security Management System (ISMS).

Learn more

GDPR

We are fully compliant with the General Data Protection Regulation (GDPR), supporting your data protection and privacy obligations across the EU and EEA.

Learn more

CCPA

We are committed to providing clear visibility into the privacy rights of California residents. Our practices adhere to the California Consumer Privacy Act of 2018 (CCPA).

HIPAA

We are HIPAA compliant, meeting U.S. federal standards for protecting and handling protected health information (PHI).

Cyber Essentials

Certified under the UK government-backed Cyber Essentials scheme, managed by the National Cyber Security Centre (NCSC), this accreditation demonstrates our commitment to defending against online threats.

Learn more

CSA

We are certified by Cloud Security Alliance, following a rigorous independent assessment of our cloud service security controls.

Learn more

SecurityScorecard

We’ve been awarded an “A” rating (100/100) by SecurityScorecard, recognizing our strong security posture and placing Exclaimer among the most secure cloud applications on the market.

Learn more

Audits & Penetration Testing

We conduct regular penetration testing and independent third-party security reviews as part of our ISO 27001 and SOC 2-aligned security program.

Visit our security portal

We’re trusted by over 70,000+ businesses worldwide

Security

We protect data at every stage. Security is embedded from the start— DevSecOps engineers are involved in every build, ensuring risk is addressed before code ever goes live. Once in production, we deploy:

  • Advanced web application firewalls
  • Active DDoS protection at every gateway
  • Multi-factor authentication (MFA) via Microsoft and Google SSO
  • End-to-end TLS encryption for data in transit and at rest
  • Continuous network scanning to detect and resolve vulnerabilities early
  • Image Alt

    Reliability

    Exclaimer is a cloud-native platform designed for performance, reliability, and compliance. Our infrastructure spans 14 global data centers, grouped into six geographically separated active-active pairs. This architecture ensures:

  • High availability and built-in failover
  • In-region data residency to support compliance
  • Operational continuity—no matter where you are
  • We currently maintain an average uptime of 99.99%. If issues arise, we update our status page in real time—and resolve them fast.

    Image Alt

    Our security partners

    We work with leading security organizations and independent auditors to stay ahead of threats and compliance standards.

    Try the most secure email signature manager on the market.

    ready to launch security

    Read more on signature compliance and security

    Image Placeholder
    Blog

    Mastering email security: A practical guide to security and compliance

    Discover how to protect your organization from email threats with this comprehensive guide to email security. Learn key strategies for preventing phishing, malware, and data breaches while ensuring compliance with industry regulations.

    Read more
    Image Placeholder
    Webinars

    Shield your inbox: How to master email security

    Explore email security threats and how to protect your organization. Learn how email signatures prevent phishing and spoofing, and get tips for a stronger email security policy.

    Read more
    Image Placeholder
    Guides

    The impact of email security on brand trust

    Learn how email security protects your brand trust, prevents reputation damage, and safeguards relationships. Enhance your security with expert tips.

    Read more
    Image Placeholder
    Blog

    Mastering email security: A practical guide to security and compliance

    Discover how to protect your organization from email threats with this comprehensive guide to email security. Learn key strategies for preventing phishing, malware, and data breaches while ensuring compliance with industry regulations.

    Read more
    Image Placeholder
    Webinars

    Shield your inbox: How to master email security

    Explore email security threats and how to protect your organization. Learn how email signatures prevent phishing and spoofing, and get tips for a stronger email security policy.

    Read more
    Image Placeholder
    Guides

    The impact of email security on brand trust

    Learn how email security protects your brand trust, prevents reputation damage, and safeguards relationships. Enhance your security with expert tips.

    Read more