Learn from Fastly

When a Single Command
Brought Down Half the Internet

In June 2021, a configuration change triggered a hidden bug in Fastly's CDN, causing a global outage. Incident Drill helps your team practice responding to similar high-pressure scenarios, improving resilience and minimizing downtime.

Fastly | 2021 | Outage (Cloud/CDN)
Practice This Scenario →

The High Cost of Unexpected Errors

Unforeseen software bugs can have devastating consequences, leading to service disruptions, reputational damage, and financial losses. Traditional training often fails to prepare teams for the complexities of real-world incidents.

PREPARE YOUR TEAM

Simulate, Learn, and Improve with Incident Drill

Incident Drill provides realistic incident simulations based on real-world events like the Fastly outage. Teams practice incident response, troubleshooting, and communication under pressure, building confidence and improving their ability to handle future incidents effectively.

🔥

Realistic Simulations

Experience incidents based on real-world events.

🧑‍💻

Hands-on Exercises

Practice incident response and troubleshooting skills.

💬

Team Collaboration

Improve communication and coordination during incidents.

📊

Post-Incident Analysis

Identify areas for improvement and learn from mistakes.

🛡️

Reduced Downtime

Minimize the impact of future incidents.

📈

Improved Resilience

Build a more robust and reliable system.

WHY TEAMS PRACTICE THIS

Prepare for the Unexpected

  • ✓ Identify and mitigate potential vulnerabilities.
  • ✓ Improve incident response time and effectiveness.
  • ✓ Enhance team communication and collaboration.
  • ✓ Reduce the risk of costly outages.
  • ✓ Build a culture of continuous improvement.
  • ✓ Increase customer trust and satisfaction.
00:00
Customer config change deployed.
00:01
Hidden bug triggered in CDN software. Error
00:02
Global CDN edge servers start returning errors.
00:05
Major websites (CNN, Amazon, Reddit) become unavailable.
00:49
Root cause identified, fix deployed. Resolved

How It Works

1

Step 1: Simulate the Incident

Run a realistic simulation of the Fastly outage.

2

Step 2: Investigate the Root Cause

Identify the configuration change and hidden bug that triggered the outage.

3

Step 3: Develop a Mitigation Plan

Create a plan to prevent similar incidents in the future.

4

Step 4: Implement and Test Solutions

Deploy and test solutions to improve system resilience.

EXPLORE MORE

Related Incidents

AWS us-east-1 Outage → Akamai DNS Outage → Amazon Kinesis Outage →

Ready to Prevent Your Own Internet Outage?

Join the Incident Drill waitlist and be among the first to access our Fastly outage simulation and other real-world incident training scenarios.

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