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Lexmark printers need firmware patch

More than 150 models affected by RCEs.

TetraBurst

Five Lessons Learned About the 2023 Cyber Threat Landscape

First responder stories at Techdirt.

Posts about first responder written by Karl Bode

Tetra radio users' comms may have been exposed for years

A number of flaws in the encryption algorithms used in the secure Tetra radio communications standard have potentially left users exposed to snooping

Radio tech used in vital infrastructure worldwide vulnerable to hackers: Dutch research

Three Dutch researchers have discovered vulnerabilities in TETRA - a radio technology used worldwide to control vital infrastructure like energy networks, gas pipelines, and railway safety systems. Malicious hackers could relatively easily use the vulnerabilities to cause massive damage, researchers Job Wetzels, Carlo Meijer, and Wouter Bokslag explained to RTL Nieuws.

Critical infrastructure radio tech 'easily hacked' through deliberate backdoor

Malicious attackers could "easily" hack TETRA radio systems and disrupt critical infrastructure and emergency services, researchers reveal.

TETRA Radio Code Encryption Has a Flaw: A Backdoor

A secret encryption cipher baked into radio systems used by critical infrastructure workers, police, and others around the world is finally seeing sunlight. Researchers say it isn’t pretty.