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Protecting your data is our
#1 priority

From safeguarding intellectual property to ensuring national security, we help you maintain security, privacy and compliance.

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We help keep organizations around the world secure and compliant

Built for environments with the strictest security, privacy, and compliance requirements.

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Our platform runs on-premises, in private clouds, and in air-gapped environments, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control.

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Our Security Architecture & Practices

  • Supports encryption-in-transit
  • Supports encryption-at-rest
  • Network and security hardening
  • System monitoring
  • Annual penetration testing
  • Manual and automated source code reviews
  • Regular security updates delivered to the community prior to public disclosure

Maintain complete control of your data at all times

Data Protection & Information Governance

  • Global retention policies
  • Compliance exports
  • Role-based access control with custom permissions
  • Custom terms of service (TOS)
  • Block message contents from appearing in mobile application notifications

Identity & Access Controls

  • Multi-factor authentication (MFA)
  • Session duration configuration
  • User and group provisioning via Active Directory and LDAP
  • SAML-based single sign-on (SSO)
  • Certificate-based authentication (CBA)
  • Enterprise mobile management (EMM)
  • Block message copy and file download
  • Minimum app version

Why security-conscious organizations choose Mattermost

Self-hosted deployment and database ownership

Retain full control over your company’s sensitive data with no third-party monitoring.

Built-in access controls

Define granular controls for enterprise data archiving to keep data properly secured and accessed.

Advanced mobile security

Our mobile apps work with EMM solutions. Full source code is available for custom solutions.

Compliance auditing with oversight

Pull compliance reports on user conversations and behaviors. Audit logging enables oversight and protection of ethical boundaries.

Secure cloud and data isolation

Get a dedicated Kubernetes cluster, fully isolated from other customers, fully managed by Mattermost with the highest security.

Enterprise Information Archiving integration

Connect to EIA systems along with custom solutions to meet regulatory needs.

Data encryption at rest and in transit

Keep your data safe with encryption under your control, at rest and in transit.

Full access to APIs, drivers, and open source code

See for yourself why we are the industry’s most secure solution.
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Customize, extend and adapt your solution with secure integrations

Mattermost supports custom integations with popular DevOps tools, proprietary solutions and legacy software to fit the needs of any organization.

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Deployed in Zero Trust environments around the world.

Learn more about our Zero Trust-first approach.

Self-hosted collaboration for security-conscious teams

  • Get a secure, on-premises installation in your data center with layered security options (SSL, VPN and DMZ).
  • Own your database (MySQL or PostgreSQL) and manage all internal controls.
  • Keep integration connections completely private for tools like Jenkins, Git, and Zoom.
  • Host on the secure cloud of your choice such as Azure or AWS — no need to send Active Directory data over a public network.

Secure cloud options keep your digital operations agile & secure

  • Receive a dedicated Kubernetes cluster that is fully isolated from other customers.
  • Get all the resources required to run the Mattermost application with the highest security standards, including data encryption at rest and in transit.
  • Your pre-configured cluster is secure by default, based on industry best practices including encryption, TLS certificates lifecycle management, and automatic security updates.
Kobayashi Maru
Kobayashi Maru
Customer Story
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Customer Story

U.S. Space Force’s Kobayashi Maru adopts Mattermost to securely collaborate on modernizing space capabilities

“We needed a platform where we could share real-time updates on critical systems without worrying about data leakage. Mattermost gave us that capability, and it’s now core to how we operate.”

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Ready to get started?

Transform the way your organization collaborates to accelerate outcomes without compromising on security or control.

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