tetra

Ekoparty Security Conference·44 min

• EKOPARTY
• Blue Team
• Date: 2025
• Location: Ekoparty

Wetzels · Bokslag

Reviews all cops are broadcasting: Breaking TETRA after decades in the shadows and evaluates key implications for security practitioners.

Black Hat USA·37 min

• Black Hat
• Community
• Date: 2023
• Location: Black Hat

Wouter Bokslag · Carlo Meijer · Jos Wetzels

Security researchers examine technical aspects of All Cops Are Broadcasting: Breaking TETRA After Decades in the Shadows.

Main Stage·1 hr 10 min

• DEF CON
• Wireless
• Date: Aug 2023
• Location: Las Vegas

Midnight Blue

Midnight Blue reverse engineers the secret TETRA radio standard, uncovering proprietary cipher flaws and a backdoored encryption algorithm in critical infrastructure.