What the Fax?

Explore the surprising security vulnerabilities of fax machines in this eye-opening conference talk from the 35th Chaos Communication Congress. Discover how these outdated devices, still widely used by governments, banks, and service providers, can be exploited to compromise entire networks through their unprotected telephone lines. Follow the speakers' journey as they demonstrate a live full fax exploitation, granting complete control over the device and network using only a standard telephone line. Delve into the world of embedded operating systems, decades-old protocols, and obsolete compression algorithms. Learn why the continued use of fax technology poses a significant security risk and why the tech community must take action to phase out this antiquated communication method.