The Mattermost Blog

Mattermost, archTIS, Arqit, and Whitespace Collaborate to Deliver Sovereign, AI-Enhanced Operational Collaboration for Defence

Mattermost Professional Certification Is Here

Sovereign AI and Risk Management: A Framework for Secure Deployment

Mattermost security updates 11.7.2 (ESR), 11.6.4, 11.5.7, and 10.11.19 (ESR) released

Introducing Mattermost Agents V2: The Next Evolution of Intelligent Workflows

Mattermost and archTIS Collaborate to Deliver Secure Collaboration for Defence Operations

Mattermost and Arqit Partner to Strengthen Post-Quantum-Secure Collaboration for Defence Operations

Mattermost security updates 11.7.1 (ESR), 11.6.3, 11.5.6, and 10.11.18 (ESR) released

The Sovereignty Gap Nobody Talks About: Your Collaboration Platform

Your Last Incident War Room Was an Improvisation. Here's What a Governed One Looks Like.

Your Mission Environment Deserves More Than a Help Ticket

Sovereignty, Access Controls, and Compliance: Guide & Checklist for Secure Collaboration Tools

Mattermost Desktop App v5.13.6 ESR security update released

Mattermost security updates 11.6.2, 11.5.5, and 10.11.17 (ESR) released

Mattermost v11.7: Granular ABAC, Custom AI Prompts, User-Created Agents & More

AI Moved Into Your Collaboration Stack. Does Your Governance Know That? 

Your Control Plane Is Incomplete — And Your Collaboration Stack Is the Gap 

Why AI-Enabled Collaboration is Essential for Securing Financial Systems

The Next Layer of Coalition Mission Readiness: Collaboration Infrastructure

Why Coalition Operations Still Run on Shadow IT

When Mean Time to Ready, Respond, and Recover Indicates Mission Risk

Continuity Under Attack: Redefining Cyber Resilience for High-Velocity Threats 

Mission Partner Networks Are Consolidating, but Collaboration Remains Fragmented

Mattermost v11.6: Deeper Sovereign AI Integration, Hardened URL Privacy, Expanded Multi-Window Support & More

Mattermost security updates 11.5.2, 11.4.4, and 10.11.14 (ESR) released

Preventing Data Spillage: A Guide for U.S. Federal Agencies

Mattermost security updates Desktop App 6.1.1 and 5.13.15 (ESR) released

A Guide to the Federal Zero Trust Mandate: From Concept to Compliance

How Enterprise Chat Became Critical Infrastructure (Without Anyone Noticing)

Data Residency Is Not Sovereignty: Why Location Alone Doesn’t Deliver Control

The Role of Intelligent Mission Environments in Joint Operations: A Playbook

Cyber Resilience Isn't Recovery 

Mattermost Joins the European Cyber Security Organisation (ECSO)

Mattermost security updates 11.4.3, 11.3.3, and 10.11.13 (ESR) released

Why Sovereignty and Control Matter More Than Features

Mattermost v11.5: Automatic channel translation, sovereign LLM web search, channel context summarization & more