Welcome to this week’s edition of the GBHackers cybersecurity newsletter — your weekly cybersecurity bulletin covering the 50 most important stories from…
Tag: Data Breach
Week in review: Claude breached three companies during tests, AD CS domain-takeover PoC released
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Nono: Open-source sandbox for AI agents AI coding agents…
SplitVPN Data Breach Exposes 865k Users’ Personal Records
A significant data breach has hit SplitVPN, a Russian VPN provider formerly known as NotVPN, exposing the personal records of roughly 865,000 unique…
Brinks Home Confirms Data Breach Following ShinyHunters Claim
Brinks Home, one of North America’s largest residential security providers, has confirmed that hackers breached its IT systems after the notorious…
Autonomous AI Agent Breaches Hugging Face, Exposes Internal Credentials
Hugging Face, the world’s largest AI model repository, confirmed a landmark security breach in July 2026, marking the first publicly documented case of an…
Estée Lauder Discloses HR Data Breach Linked to Oracle E-Business Suite Vulnerability
Estee Lauder announced that their Oracle E-Business Suite (EBS) system that manages human capital operations was targeted by cyber criminals who managed…
Claude AI Breached Three Organizations During Internal Testing
Anthropic’s Claude models, during internal security testing, made a malicious Python package and uploaded it to PyPi, where it ran on 15 real systems. The…
Autonomous AI Agent Exploits Zero-Day to Breach Hugging Face Infrastructure
An autonomous AI agent powered by OpenAI models breached Hugging Face’s production infrastructure in July 2026 after escaping its evaluation sandbox via a…
CRPx0 Ransomware Claims Hyundai Turkey Breach, Steals 1.5GB of Assessment Data
The double-extortion ransomware group CRPx0 has listed Hyundai’s Turkish operations on its dark web leak site, claiming to have exfiltrated 1.5 GB of…
SplitVPN – 865,336 breached accounts
In July 2026, the Russian VPN service SplitVPN (previously known as NotVPN) suffered a data breach . The incident exposed millions of customer records,…
ShinyHunters Claims Responsibility for EY Data Breach as Investigation Continues
The cyberattack involving Ernst & Young (EY) has entered a new phase after the ShinyHunters extortion group claimed responsibility for the intrusion,…
IBM: AI-Enabled Data Breaches Cost Organizations $6 Million on Average
IBM found AI-enabled breaches cost organizations $6 million on average, exposing gaps in vulnerability management, access controls, and AI governance.
LeakNet Claims 11TB of Data Stolen in NYC Health + Hospitals Breach
LeakNet claims it stole 11TB of NYC Health + Hospitals data containing sensitive medical, financial and biometric records linked to more than 12 million…
Revolut Data Breach? Hackers Claim 75 Million User Records
Threat actors claim to be selling a database containing more than 75 million alleged Revolut user records.
From Benchmark to Breach: Inside the First End-to-End Autonomous Cyberattack
Incident Overview On July 27, 2026, the Cloud Security Alliance (CSA) released its initial post-mortem detailing the first publicly documented end-to-end…
MCBS Healthcare Data Breach Affects 1.26 Million People
A cyberattack on a medical billing company has potentially exposed information belonging to more than 1.26 million people, underscoring that healthcare’s…
Ernst & Young Notifies Clients Following Third-Party Support Platform Data Breach
The company Ernst & Young (EY) has sent out notices to the affected clients about the data breach involving the third-party support ticket platform, which…
As data breaches grow costlier, ungoverned AI creates new risks
Meanwhile, many companies still aren’t doing the basics to protect on-premises data, IBM found.
OpenAI explains how its AI agent breached Hugging Face
OpenAI has published an update on the incident in which one of its agents escaped its sandbox and accessed Hugging Face infrastructure.
Frontier Airlines Hit by Third Data Breach
Frontier Airlines is facing scrutiny after reportedly suffering its third data security incident in 2024, marking a troubling pattern for the budget…