Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

Argus Flow releases, platform announcements, press updates, and cybersecurity analyses.

A conceptual image showing a broken padlock overlaid with computer code and the AssuranceAmerica logo
Argus Flow 21 Jul 2026

AssuranceAmerica Breach Exposes 7 Million Driver's Licenses

U.S. insurer AssuranceAmerica confirmed that a hack of an employee account led to the theft of driver's license data for nearly 7 million customers. Details of the March attack and the company's response are inside.

Estée Lauder logo with a blurred technology background representing an Oracle server room.
Argus Flow 21 Jul 2026

Estée Lauder Discloses Data Breach From Oracle Flaw

Cosmetics giant Estée Lauder has announced a data breach resulting from the exploitation of a vulnerability in its Oracle E-Business Suite system, used for HR operations. The attack is linked to a method previously used by the Clop ransomware group.

Lidl logo with a lock symbol on a computer screen in the background
Argus Flow 20 Jul 2026

Lidl Data Breach Affects Customers in Three Countries

Lidl has notified its online shop customers in Germany, Belgium, and the Netherlands about a cyberattack on a business partner that exposed their personal data. Financial information is reported to be safe.

A digital background representing an abstract artificial intelligence neural network
Argus Flow 20 Jul 2026

JadePuffer The First Fully LLM Driven Ransomware Attack

The cybersecurity world was shaken by the first ransomware attack reportedly conducted by AI agents, dubbed 'JadePuffer'. Attackers exploited a Langflow flaw to steal data from a production database and encrypt other systems.

The Ernst & Young logo on a background with a cybersecurity and data breach theme.
Argus Flow 20 Jul 2026

Ernst & Young Discloses Breach via Third-Party System

Auditing and consulting giant Ernst & Young has announced a data breach resulting from a cyberattack on a third-party support system. The breach reportedly exposed documents containing client tax information.

An illustration representing an autonomous AI agent moving across an abstract network.
Argus Flow 20 Jul 2026

Hugging Face Reveals Its Network Was Breached by an Autonomous AI Agent

Hugging Face, the giant platform in the AI and machine learning space, has announced a first-of-its-kind security breach: it was hacked by an autonomous AI agent. The attackers used this method to infiltrate the company's production infrastructure, gaining access to internal datasets and credentials.

The Nissan logo overlaid on a cybersecurity concept graphic representing the data breach in the Oracle PeopleSoft system.
Argus Flow 30 Jun 2026

Nissan Employee Data Breached in Oracle PeopleSoft Hack

Automotive giant Nissan has confirmed that sensitive data of its current and former employees was breached in a cyberattack targeting a zero-day vulnerability in Oracle PeopleSoft software. The ShinyHunters group is believed to be behind the attack.

The Aflac logo is shown with digital locks and code overlays symbolizing a cybersecurity breach.
Argus Flow 30 Jun 2026

Aflac Japan Data Breach Impacts 4.38 Million Individuals

The Japanese subsidiary of insurance giant Aflac confirmed that cyberattackers accessed its systems for 10 days, stealing the personal and financial data of 4.38 million customers and agents.

A lock and warning icon displayed on a computer screen in front of an insurance company's logo.
Argus Flow 30 Jun 2026

Insurance Giant Aflac Discloses Data Breach via Subsidiary

US insurance giant Aflac has announced a data breach involving personal and bank information after its Japanese subsidiary's systems were compromised. The attack did not affect the company's US operations.

A lock icon between the NAIC and ShinyHunters logos, with a server room in the background.
Argus Flow 29 Jun 2026

NAIC States Data Breach Involves Public Data, Disputes Hackers' Claims

The U.S. National Association of Insurance Commissioners (NAIC) confirmed a breach by the ShinyHunters group via an Oracle PeopleSoft zero-day. NAIC claims only public data was stolen, while the hackers assert they leaked 3.1 TB of critical data.

An Oracle logo in front of a cracked shield logo, symbolizing the data breach at the US insurance regulator.
Argus Flow 29 Jun 2026

US Insurance Regulator Confirms Data Breach

The US National Association of Insurance Commissioners (NAIC), a non-profit regulatory body, has disclosed a data breach resulting from a cyberattack exploiting a zero-day vulnerability in Oracle PeopleSoft. Credit rating data of US citizens was compromised in the attack.

A lock and digital data streams in front of the logo of the Japanese telecommunications giant KDDI.
Argus Flow 28 Jun 2026

KDDI Data Breach Hits 14 Million Email Accounts Across 6 ISPs

Japanese telecom giant KDDI announced that up to 14.2 million email accounts at six internet service providers have been exposed due to a vulnerability in third-party software. There are concerns that attackers may have obtained email addresses and encrypted passwords.