Data Security

Cybersecurity
ShinyHunters Claims Ernst & Young Breach via Third-Party System
ShinyHunters posted Ernst & Young to its leak site, claiming a supply-chain attack on a third-party ticket system that exposed client tax and financial data.
Cybersecurity
Origin Energy Breach Exposes Data on 900,000 Australian Customers
Origin Energy disclosed a breach affecting 900,000 Australian customers, exposing names, bank account fragments, and addresses amid unconfirmed ransom claims.
Cybersecurity
DentaQuest Breach Affects 23.4 Million, PHI and SSNs Exposed
DentaQuest's breach notification confirms up to 23.4 million Medicaid dental enrollees potentially affected, with SSNs and dental PHI stolen in a network hack.
Cybersecurity
PEAR Ransomware Breach at MCBS Hits 1.26 Million Patients
PEAR ransomware group claimed 3 TB stolen from MCBS, a medical billing firm whose breach exposed 1.26 million patients at seven healthcare organizations.
Cybersecurity
ClickLock macOS Stealer Uses App-Kill Loop to Coerce Passwords
Group-IB documented ClickLock, a macOS stealer using a 210ms app-kill loop to coerce macOS passwords, hitting more than 100 victims across 33 countries.
Cybersecurity
Russian Threat Actor Uses Gemini CLI to Run Dental Clinic Botnet
Trend Micro documented Russian actor 'bandcampro' using Gemini CLI as a hacking assistant in a dental clinic botnet attack on an OpenDental patient database.
Cybersecurity
23andMe Pays $18M to 43 State AGs Over Genetic Data Breach
Coalition of 43 state AGs reaches $18M settlement with 23andMe successor Chrome Holding Co. over its genetic data breach; total penalties exceed $50 million.
Cybersecurity
Italy Fines WINDTRE €1.7M for Breaches Exposing 365K Customers
Italy's Garante fined telecom operator WINDTRE €1.7 million for two 2024 data breaches in which social engineering attacks exposed data on 365,000 customers.
Cybersecurity
300 Fake GitHub Repos Deliver BoryptGrab Chrome Bypass Infostealer
ArcticWolf exposed a campaign using 300 fake GitHub repos to deliver BoryptGrab, an infostealer that bypasses Chrome App-Bound Encryption via code injection.
Application Security
Unpatched Claude for Chrome Flaw Exposes Gmail and Calendar Data
Manifold disclosed two unpatched flaws in Claude for Chrome allowing malicious extensions to invoke the AI agent and silently access Gmail and Google Calendar.