Welcome to the 2025 eCTF!

The Embedded Capture the Flag (eCTF) is an embedded security competition run by MITRE that puts participants through the experience of trying to create a secure system and then learning from their mistakes. The 2025 eCTF will run from January 15 through April 16 with the Award Ceremony on April 25.

Tip

We recommend starting with reading Start Here to help your team get started off on the right foot.

Table of Contents

• About the eCTF
  • Scoreboard
  • Scoring System
  • Slack
• Start Here
• 2025 eCTF
  • Schedule
    • Poster Session
    • Award Ceremony
  • Getting Started
    • Machine Setup
    • Reference Design Boot Walkthrough
    • MAX78000_FTHR
    • Docker
    • OpenOCD
    • DAPLink
  • System Overview
    • Reference Design
    • Host Tools
    • eCTF Bootloader
  • Technical Specifications
    • Functional Requirements
    • Security Requirements
    • Detailed Specifications
  • Flags
    • Design Phase Flags
    • Debugger Flag
    • Attack Phase Flags and Scenarios
    • Documentation Points
  • Handoff
    • Automated Testing Service
• Rules
• Frequently Asked Questions
• Glossary
• Learning Resources
• Changelog

Archive

• 2024 eCTF
  • 2025 eCTF Getting Started
  • Schedule
  • Automated Testing Service
  • Handoff
  • Poster Session
  • 2024 Award Ceremony
  • Debugger Flag
  • System Architecture
  • Functional Requirements
  • Security Requirements
  • Detailed Specifications
  • Reference Design
  • Host Tools
  • eCTF Bootloader
  • Design Phase Flags
  • Attack Phase Flags and Scenarios
  • Documentation Points