Learn from Microsoft

When a TLS Certificate Took Down Microsoft Teams
Globally.

In 2020, Microsoft Teams experienced a major outage because a critical TLS certificate wasn't renewed. Incident Drill helps teams prepare for and effectively respond to similar high-stakes incidents, minimizing downtime and reputational damage.

Microsoft | 2020 | Outage (Cloud)

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The High Cost of Unpreparedness

Outages like the Microsoft Teams incident highlight the critical need for robust incident response plans and well-trained engineers. Unforeseen errors, even seemingly minor ones like an expired certificate, can trigger cascading failures with major financial and reputational consequences.

PREPARE YOUR TEAM

Simulate, Learn, and Improve with Incident Drill

Incident Drill provides realistic incident simulations based on real-world events like the Microsoft Teams outage. Teams can practice their response, identify weaknesses in their processes, and build the muscle memory needed to handle future incidents with confidence. Improve collaboration and reduce recovery time with hands-on training.

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Realistic Simulations

Experience incidents based on real-world events like the Microsoft Teams outage.

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Collaborative Training

Practice incident response as a team, improving communication and coordination.

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Performance Analytics

Track your team's performance and identify areas for improvement.

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Customizable Scenarios

Tailor simulations to your specific infrastructure and potential vulnerabilities.

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Knowledge Sharing

Learn from expert insights and best practices in incident management.

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Time-boxed Exercises

Practice under pressure to improve decision-making speed and accuracy.

WHY TEAMS PRACTICE THIS

Master Incident Response Through Practice

✓ Reduce downtime during critical incidents
✓ Improve team communication and collaboration
✓ Identify and address vulnerabilities proactively
✓ Build confidence in incident response capabilities
✓ Minimize the financial impact of outages
✓ Protect your company's reputation

2020-09-28 00:00 UTC

Certificate Expiration Critical TLS certificate expires.

2020-09-28 08:00 UTC

Authentication Failure Users unable to authenticate to Microsoft Teams.

2020-09-28 08:30 UTC

Service Degradation Microsoft Teams service becomes unavailable globally.

2020-09-28 11:00 UTC

Resolution New TLS certificate deployed and service restored.

How It Works

Step 1: Simulate

Run a realistic incident simulation based on the Microsoft Teams outage.

Step 2: Analyze

Review your team's performance and identify areas for improvement.

Step 3: Improve

Implement changes to your incident response plan based on the simulation results.

Step 4: Repeat

Regularly practice incident response to maintain preparedness.

EXPLORE MORE

Related Incidents

Be Prepared for the Next Big Incident

Join the Incident Drill waitlist and start training your team to handle critical incidents with confidence.

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✓ Founding client discounts ✓ Shape the roadmap ✓ Direct founder support

When a TLS Certificate Took Down Microsoft TeamsGlobally.