Recent Posts

Spotlight: Making the Most of Cyber Threat Intelligence with Itsik Kesler of KELA

In this Spotlight episode of the Security Ledger podcast, I interview Itsik Kesler, the CTO of the threat intelligence firm Kela about the evolution of threat intelligence and findings from the company’s latest State of Cybercrime Threat Intelligence report.

Cyberattacks on Industrial Control Systems Jumped in 2022

Cyberattacks on industrial control systems (ICS) jumped in 2022, with an 87% jump in ransomware attacks and a 35% increase in the number of ransomware groups targeting industrial control and operational technology (OT) systems, according to a report by Dragos Security.

Internet of Things Zombies

Forget the IoT. Meet the IoZ: our Internet of Zombie things

A school that never sleeps? Cameras that go dark? A dead company hacked back to life? Welcome to the growing Internet of Zombie devices that threatens the security of the Internet.

Official POC Signal

Beware: Images, Video Shared on Signal Hang Around

A researcher is warning that photos and video files shared in Signal chats may be hanging around on devices, even when they deleted the messages in which the images were shared.

T-Mobile: Leaky API Exposes Data on 37 Million

U.S. Telecommunications giant T-Mobile disclosed on Thursday that hackers obtained data on 37 million customers through a vulnerable API (application program interface). The disclosure was included in an 8-K filing with the U.S. Securities and Exchange Commission.