Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

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

Browser Extensions Are Selling Your User Data
Argus Flow 28 Apr 2026

Browser Extensions Are Selling Your User Data

A new report reveals that dozens of widely used browser extensions are selling user data, such as browsing history and personal information, to third parties. This practice is legally disclosed in the extensions' privacy policies.

Fidelity Fined $1.25M by Regulator Over Data Breach
Argus Flow 28 Apr 2026

Fidelity Fined $1.25M by Regulator Over Data Breach

Fidelity Brokerage Services has been fined $1.25 million by a regulatory body following a data breach. The penalty highlights the serious consequences of inadequate security measures in the financial sector.

Medtronic Confirms Data Breach After Hacker Claims
Argus Flow 27 Apr 2026

Medtronic Confirms Data Breach After Hacker Claims

Medical device giant Medtronic has confirmed a network breach after hackers claimed to have stolen 9 million records. The company stated that data in certain corporate IT systems was accessed.

PyPI Package elementary-data Hacked for Infostealer
Argus Flow 27 Apr 2026

PyPI Package elementary-data Hacked for Infostealer

The popular Python package 'elementary-data', with 1.1 million monthly downloads, has been compromised. Attackers pushed a malicious version containing an infostealer to steal developer data and cryptocurrency wallets.

ADT Data Breach Exposes 5.5 Million Customer Records
Argus Flow 27 Apr 2026

ADT Data Breach Exposes 5.5 Million Customer Records

Home security giant ADT has suffered a major data breach affecting 5.5 million users. The ShinyHunters group claimed responsibility for the attack, stealing customers' personal information.

Energy Giant Itron Suffers Cyberattack
Argus Flow 27 Apr 2026

Energy Giant Itron Suffers Cyberattack

Itron, a provider of energy and water management solutions, has confirmed it was hit by a cyberattack targeting corporate data. Attackers are believed to have accessed sensitive internal documents and employee information.

Hacker Steals Data of 350,000 Thai Engineers
Argus Flow 26 Apr 2026

Hacker Steals Data of 350,000 Thai Engineers

A major data breach has exposed the personal information of 350,000 engineers in Thailand. A hacker claims to have stolen sensitive data and is reportedly attempting to sell it online.

ADT Confirms Data Breach After ShinyHunters Threat
Argus Flow 25 Apr 2026

ADT Confirms Data Breach After ShinyHunters Threat

Home security giant ADT has confirmed a data breach following a ransom demand and leak threat from the ShinyHunters extortion group. The incident is believed to affect customer data.

UK Biobank Data Breach 500K Health Records for Sale
Argus Flow 24 Apr 2026

UK Biobank Data Breach 500K Health Records for Sale

UK Biobank has suffered a major data breach, exposing the sensitive health records of 500,000 volunteers. A UK government minister confirmed the data was listed for sale on Chinese e-commerce platforms.

Rituals Data Breach Exposes Member Personal Details
Argus Flow 24 Apr 2026

Rituals Data Breach Exposes Member Personal Details

Luxury cosmetics brand Rituals has disclosed a data breach affecting its "My Rituals" loyalty program members. Attackers accessed and downloaded personal information, including names and addresses.

Trigona ransomware boosts data theft with new custom tool
Argus Flow 23 Apr 2026

Trigona ransomware boosts data theft with new custom tool

The Trigona ransomware group is now using a custom command-line tool to steal data from its victims more quickly and efficiently. This new tactic enhances the effectiveness of the attackers' double extortion model.

Duo Fined $830,000 Over User Data Breach
Argus Flow 23 Apr 2026

Duo Fined $830,000 Over User Data Breach

South Korean matchmaking service Duo has been hit with an $830,000 fine by the country's regulator for failing to protect user data. The penalty was imposed due to inadequate security measures leading to a data breach.