Latest cybersecurity reporting from selected sources.

A U.S. government agency paid $1M to Kairos, a group focused on data theft and extortion rather than ransomware, Ransom-ISAC reports. A new case study from Ransom-ISAC reconstructs a complete data-extortion incident involving a U.S. government body and a threat actor called Kairos, using a leaked negotiation transcript and blockchain tracing of the ransom payment. […]

FulcrumSec leaked data stolen from Novo Nordisk, claiming to have exfiltrated 1.3TB, including clinical records and AI research assets. On June 15, 2026, a data-theft extortion group calling itself FulcrumSec began leaking files from Novo Nordisk, the Danish maker of Ozempic and Wegovy, after the company refused a $25 million ransom demand. The attackers claimed […]

iRhythm disclosed a cyberattack via third-party apps where patient and proprietary data was stolen, followed by a ransom demand. iRhythm Technologies is a U.S.-based digital healthcare company specializing in remote cardiac monitoring and arrhythmia detection. Its best-known product is the Zio, a wearable patch that continuously records a patient’s heart rhythm for up to several […]

Cybercrime group ShinyHunters leaked data allegedly stolen from Charter Communications, exposing millions of customer records after a failed extortion attempt. The ShinyHunters extortion group has published data allegedly stolen from Charter Communications after the company apparently refused to pay a ransom. Charter Communications is one of the largest telecommunications companies in the United States. It […]