‘ArcaneDoor’ Cyberspies Hacked Cisco Firewalls to Access Government Networks

Sources suspect China is behind the targeted exploitation of two zero-day vulnerabilities in Cisco’s security appliances.

Change Healthcare Finally Admits It Paid Ransomware Hackers—and Still Faces a Patient Data Leak

The company belatedly conceded both that it had paid the cybercriminals extorting it and that patient…

Hackers Linked to Russia’s Military Claim Credit for Sabotaging US Water Utilities

Cyber Army of Russia Reborn, a group with ties to the Kremlin’s Sandworm unit, is crossing…

A Vigilante Hacker Took Down North Korea’s Internet. Now He’s Taking Off His Mask

As “P4x,” Alejandro Caceres single-handedly disrupted the internet of an entire country. Then he tried to…

Hackers Found a Way to Open Any of 3 Million Hotel Keycard Locks in Seconds

The company behind the Saflok-brand door locks is offering a fix, but it may take months…

Binance’s Top Crypto Crime Investigator Is Being Detained in Nigeria

Tigran Gambaryan, a former crypto-focused US federal agent, and a second Binance executive, Nadeem Anjarwalla, have…

Hackers Behind the Change Healthcare Ransomware Attack Just Received a $22 Million Payment

The transaction, visible on Bitcoin's blockchain, suggests the victim of one of the worst ransomware attacks…

The Mysterious Case of the Missing Trump Trial Ransomware Leak

The notorious LockBit gang promised a Georgia court leak "that could affect the upcoming US election.”…

Change Healthcare Ransomware Attack: BlackCat Hackers Quickly Returned After FBI Bust

Two months ago, the FBI “disrupted” the BlackCat ransomware group. They're already back—and their latest attack…

Signal Finally Rolls Out Usernames, So You Can Keep Your Phone Number Private

We tested the end-to-end encrypted messenger’s new feature aimed at addressing critics’ most persistent complaint. Here’s…