Data Leaks & Breaches Cybersecurity News

OpenCode Discloses Breach Exposing Third-Party API Keys for 1.4% of Console Users

RedSide Security October 18, 2026 Data Leaks & Breaches 39 views

OpenCode has disclosed a breach affecting 1.4% of its Console users, warning that third-party API keys stored in affected workspaces may have been exposed and linking the incident to a large-scale distillation attack.

Japan's Data Leak Surge: Mobile APIs and Metabase Flaws Under Attack

RedSide Security October 09, 2026 Data Leaks & Breaches 69 views

JPCERT/CC warns of a sharp rise in personal data leaks at Japanese organizations, driven by abused mobile app APIs and attacks on unpatched Metabase instances.

EY Data Breach Exposes Client Data Tied to Goldman Sachs and Man Group

RedSide Security October 07, 2026 Data Leaks & Breaches 100 views

Ernst & Young has disclosed a data breach affecting a platform used for its tax services, exposing personal and financial information of individuals linked to Goldman Sachs and Man Group.

Denmark's CPR Register Breached: 8.8 Million Records Exposed via Legitimate Company Account

RedSide Security October 06, 2026 Data Leaks & Breaches 116 views

Attackers accessed the names, addresses, and CPR numbers of 8.8 million people in Denmark's national population register by abusing a private company's legitimate lookup access. The breach highlights the growing risk of authorization-layer attacks on trusted third parties.

FBI Cuts Accenture Contractor After ShinyHunters Breach Exposes Employee Data

RedSide Security October 06, 2026 Data Leaks & Breaches 90 views

The FBI has removed an Accenture contractor after a ShinyHunters breach, traced to an unpatched system, exposed personal data of thousands of bureau employees.

Hackers Steal Data of 8.7 Million Customers in Cyberattack on Three UK Airports

RedSide Security August 28, 2026 Data Leaks & Breaches 157 views

Hackers have reportedly stolen personal data belonging to approximately 8.7 million customers following a cyberattack targeting systems used by Manchester Airports Group, which operates Manchester, East Midlands, and London Stansted airports. The incident exposed email addresses, postcodes, vehicle registration details, and other travel-related information.

McDonald’s, Vodafone Hit by Azure Credential Theft Campaign Exposing Millions of Enterprise Records

RedSide Security August 16, 2026 Data Leaks & Breaches 437 views

A threat actor known as TheHatman is allegedly selling employee directories stolen from major enterprises through compromised Azure and Microsoft Entra credentials. The campaign reportedly exposes millions of records, including corporate emails, employee details, reporting structures, service accounts, and administrator information, creating significant risks for spear-phishing, privilege escalation, and further network compromise.

Nation-State Hackers Target Water Utilities Across the U.S. and Europe

RedSide Security June 28, 2026 Data Leaks & Breaches 189 views

Nation-state actors linked to Iran, Russia, and China are increasingly targeting water and wastewater infrastructure across the U.S. and Europe. By exploiting exposed PLCs, weak credentials, and poor network segmentation, attackers are gaining access to critical systems that support millions of people and positioning themselves for future disruptive operations.

GitHub Breached - Employee Device Hack Led to Exfiltration of 3,800+ Internal Repos

RedSide Security May 20, 2026 Data Leaks & Breaches 254 views

GitHub is investigating unauthorized access to its internal repositories following a supply chain attack linked to the threat actor **TeamPCP**, who reportedly listed GitHub source code and internal data for sale on a cybercrime forum. The incident is part of an ongoing malware campaign targeting open-source ecosystems, including a compromised Microsoft Python package and a self-replicating infostealer known as Mini Shai-Hulud.

FBI and Europol Seize LeakBase Forum Used to Trade Stolen Credentials

RedSide Security March 05, 2026 Data Leaks & Breaches 213 views