Data Breach News | Latest Cybersecurity Reports – Veri Sızıntısı

Publications & Analyses

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

Gandara Mental Health Center has reached a settlement in the class-action lawsuit following a cyberattack that exposed sensitive patient data. Learn the details.
Argus Flow 17 May 2026

Gandara Mental Health Center Settles Data Breach Lawsuit

Gandara Mental Health Center has reached a settlement in the class-action lawsuit filed after a cyberattack exposed the sensitive data of thousands of patients. The agreement offers compensation and credit monitoring services to victims.

St. Louis-based healthcare provider Esse Health has settled a class-action lawsuit for $2.53 million after a data breach affected over 227,000 patients.
Argus Flow 17 May 2026

Esse Health to Pay $2.53 Million for Data Breach Settlement

St. Louis-based healthcare provider Esse Health has agreed to a $2.53 million settlement to resolve a class-action lawsuit following a data breach that affected over 227,000 patients. The breach was caused by a phishing attack on an employee.

At Pwn2Own Berlin 2026, researchers won $385,750 for finding 15 new zero-day vulnerabilities in Windows 11, Microsoft Exchange, and RHEL. Details and analysis.
Argus Flow 15 May 2026

Windows 11 and Exchange Hacked at Pwn2Own 2026

On the second day of the Pwn2Own Berlin 2026 competition, cybersecurity researchers earned $385,750 in awards after successfully exploiting 15 unique zero-day vulnerabilities in Windows 11, Microsoft Exchange, and Red Hat Enterprise Linux.

The American Lending Center (ALC) data breach has affected 123,000 people, exposing SSNs, passport numbers, and financial data. Learn what to do and the details.
Argus Flow 15 May 2026

American Lending Center Data Breach Affects 123,000 People

American Lending Center (ALC) has confirmed a major data breach exposing the sensitive personal and financial information of 123,000 individuals. The breach reportedly occurred due to unauthorized access to its network.

Atrium Health and Interim HealthCare disclosed data breaches affecting over 2.6 million patients due to cyberattacks on their business associates. Learn about the details and what you should do.
Argus Flow 15 May 2026

Atrium & Interim HealthCare Data Breaches Affect Millions

Atrium Health and Interim HealthCare have announced that data from over 2.6 million patients was compromised in separate security incidents involving their business associates. These breaches highlight the critical role of supply chain security in the healthcare sector.

At Pwn2Own Berlin 2026, security researchers earned $523,000 for 24 zero-day exploits against Windows 11 and Microsoft Edge. Learn what this means for users.
Argus Flow 14 May 2026

Windows 11 and Edge Hacked at Pwn2Own Berlin 2026

On the first day of the Pwn2Own Berlin 2026 cybersecurity contest, security researchers earned $523,000 after successfully demonstrating 24 unique zero-day exploits against Windows 11 and Microsoft Edge. These discoveries will help Microsoft protect users with future updates.

Instructure, owner of the Canvas LMS, confirms an agreement with ShinyHunters after a major ransomware attack to prevent a massive data leak. Learn who is affected.
Argus Flow 14 May 2026

Canvas Owner Instructure Reaches Deal After Ransomware Attack

EdTech giant Instructure has confirmed it reached an agreement with the cybercrime group ShinyHunters following a ransomware attack on its popular learning management system, Canvas. The deal aims to prevent the public release of data belonging to millions of students and educators.

The notorious ransomware gang 'The Gentlemen' suffered a major data leak due to a critical operational security (OPSEC) failure. The leak has exposed the group's secrets.
Argus Flow 14 May 2026

The Gentlemen Ransomware Gang Crumbles After Data Leak

The tables have turned in the world of cybercrime. The notorious ransomware gang 'The Gentlemen' has suffered a major data leak due to its own operational security (OPSEC) failure, exposing the secrets behind the group's rapid rise.

A major data breach reported by digital health platform OpenLoop Health has exposed the sensitive information of 716,000 people. Learn about who is affected and what steps to take.
Argus Flow 14 May 2026

OpenLoop Health Data Breach Affects 716,000 Individuals

Digital health platform OpenLoop Health has reported a major data breach exposing the sensitive personal and medical information of over 716,000 people. The breach occurred after cybercriminals exploited a vulnerability in a third-party service.

Instructure is under government investigation after a major data breach and service outage hit its popular Canvas LMS. The incident has put the data of millions of students at risk.
Argus Flow 13 May 2026

Instructure Under Government Scrutiny for Canvas Breach

Education technology giant Instructure is facing government scrutiny following a major service disruption and data breach affecting its popular learning management system, Canvas. The incident potentially compromises the data of millions of students and educators.

According to the Office for Civil Rights (OCR) 2023 report, the U.S. healthcare sector saw 725 major data breaches affecting nearly 135 million people.
Argus Flow 13 May 2026

OCR Report Reveals Record Health Data Breaches in 2023

The U.S. Department of Health and Human Services Office for Civil Rights (OCR) reported to Congress that 2023 was a record-breaking year for healthcare data breaches, affecting nearly 135 million individuals.

Pharmaceutical giant West Pharmaceutical Services has confirmed a major ransomware attack that has halted its operations. Details and impact of the breach.
Argus Flow 13 May 2026

West Pharmaceutical Hit by Disruptive Cyberattack

West Pharmaceutical Services, a critical supplier to the pharmaceutical and healthcare industry, has suffered a major ransomware attack that has disrupted its operations. The company confirmed the incident in an SEC filing.