Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

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

Teen Detained in French Government Agency Data Breach Case
Argus Flow 01 May 2026

Teen Detained in French Government Agency Data Breach Case

A 15-year-old has been detained by French authorities on suspicion of selling data stolen in a cyberattack targeting France Titres (ANTS), the agency responsible for managing official documents. The scope of the breach and the number of affected citizens are under investigation.

Cybersecurity Pros Get 4 Years for BlackCat Attacks
Argus Flow 01 May 2026

Cybersecurity Pros Get 4 Years for BlackCat Attacks

Two cybersecurity professionals have been sentenced to four years in prison for their participation in attacks by the notorious BlackCat ransomware group, also known as ALPHV. The verdict underscores the serious threat of industry insiders turning to cybercrime.

PowerSchool Breach May Hold Private Equity Owner Accountable
Argus Flow 01 May 2026

PowerSchool Breach May Hold Private Equity Owner Accountable

A massive data breach at education technology giant PowerSchool has ignited an unprecedented legal debate in the cybersecurity world. With sensitive data of millions of students and parents leaked, the private equity firm that owns the company is now potentially facing legal liability. This development could fundamentally change how investors approach the cybersecurity of their portfolio companies.

Cherry Health Targeted by Rhysida Ransomware Attack
Argus Flow 29 Apr 2026

Cherry Health Targeted by Rhysida Ransomware Attack

Healthcare provider Cherry Health is experiencing major service disruptions following a cyberattack claimed by the Rhysida ransomware group. The attackers allege the theft of 250 GB of sensitive patient and employee data.

Japanese Firms Pay Ransom But 60% Fail to Recover Data
Argus Flow 29 Apr 2026

Japanese Firms Pay Ransom But 60% Fail to Recover Data

A new report reveals that over 200 Japanese companies paid attackers following ransomware incidents. Alarmingly, 60% of those who paid were unable to recover their data, highlighting the ineffectiveness of paying ransoms.

Checkmarx Confirms Data Stolen in Supply Chain Attack
Argus Flow 29 Apr 2026

Checkmarx Confirms Data Stolen in Supply Chain Attack

Application security firm Checkmarx has confirmed a data breach resulting from a sophisticated supply chain attack. The incident reportedly led to the theft of customer data and portions of internal source code.

Medtronic Confirms Data Breach After ShinyHunters Claim
Argus Flow 29 Apr 2026

Medtronic Confirms Data Breach After ShinyHunters Claim

Medical device giant Medtronic has confirmed an IT systems breach. The confirmation follows claims by the notorious hacker group ShinyHunters, who allege they have accessed millions of company records.

ShinyHunters Claims Theft of 1.4M Records from Udemy
Argus Flow 29 Apr 2026

ShinyHunters Claims Theft of 1.4M Records from Udemy

The notorious hacker group ShinyHunters has claimed to have stolen records belonging to 1.4 million users from the popular online learning platform Udemy. The allegedly leaked data includes names, email addresses, and hashed passwords.

Vimeo User Data Exposed in Anodot Vendor Breach
Argus Flow 28 Apr 2026

Vimeo User Data Exposed in Anodot Vendor Breach

Video platform Vimeo has confirmed a data breach affecting its users. The incident stemmed from a security breach at its vendor, Anodot, a data anomaly detection company. Unauthorized access was gained to some customer and user data.

Vimeo Confirms Data Breach Affecting Users and Customers
Argus Flow 28 Apr 2026

Vimeo Confirms Data Breach Affecting Users and Customers

Video platform Vimeo has confirmed a significant data breach impacting its users and customers. The incident exposed personal information such as names, email addresses, and phone numbers. The company is currently investigating the breach and notifying affected individuals.

French Police Arrest "HexDex" Hacker for 100 Breaches
Argus Flow 28 Apr 2026

French Police Arrest "HexDex" Hacker for 100 Breaches

French authorities have arrested a 21-year-old individual known by the alias "HexDex." The suspect is allegedly responsible for over 100 separate data breaches, a significant operation against cybercrime.

Medtronic Confirms Hack After ShinyHunters Data Leak Threat
Argus Flow 28 Apr 2026

Medtronic Confirms Hack After ShinyHunters Data Leak Threat

Medical device giant Medtronic has confirmed a cyberattack after the hacking group ShinyHunters threatened to leak stolen data. The breach allegedly includes source code and device data.