data-breach
Safeguard articles tagged "data-breach" — guides, analysis, and best practices for software supply chain and application security.
39 articles
Norton Healthcare Ransomware Breach Exposes 2.5 Million Patient Records
In December 2023, Norton Healthcare disclosed that a May ransomware attack by the ALPHV/BlackCat group had compromised personal and medical data of 2.5 million patients, revealing the devastating impact of ransomware on healthcare.
Dollar Tree Third-Party Breach Impacts Nearly 2 Million Employees
In November 2023, Dollar Tree disclosed that a breach at its third-party service provider Zeroed-In Technologies exposed the personal data of nearly 2 million current and former employees, highlighting the persistent risk of third-party supply chain compromises.
Mr. Cooper Mortgage Breach Exposes 14.7 Million Customers
In November 2023, mortgage giant Mr. Cooper disclosed a cyberattack that compromised the personal and financial data of 14.7 million current and former customers, making it one of the largest financial services breaches of the year.
MOVEit Breach Impact Assessment: The Cl0p Campaign's Fallout
The MOVEit breach became one of the largest data theft incidents in history. Here's an assessment of the damage and what organizations should learn.
OpenAI ChatGPT Data Breach March 2023: What Was Exposed
A bug in ChatGPT exposed user chat histories and payment information. Here's what happened and what it means for AI service security.
T-Mobile API Breach: 37 Million Records Stolen Through an Unsecured API
In January 2023, T-Mobile disclosed that an attacker exploited an API to steal personal data of 37 million customers. It was their ninth major breach in five years.
Plex Data Breach: 20 Million Users Forced to Reset Passwords
A breach of Plex's systems exposed usernames, emails, and hashed passwords for approximately 20 million users, forcing the streaming platform to trigger a mass password reset.
Twitter Data Breach: 5.4 Million Accounts Exposed Through an API Vulnerability
An API vulnerability in Twitter allowed attackers to link phone numbers and email addresses to Twitter accounts, ultimately exposing data from 5.4 million users — and possibly over 200 million email-account pairs.
Shield Health Group Data Breach: 2 Million Patient Records Exposed
A breach at Shield Health Group, a Massachusetts medical imaging provider, exposed personal and medical data of approximately 2 million patients — highlighting the healthcare sector's persistent vulnerability.
Samsung LAPSUS$ Breach: 190GB of Source Code and the Cost of Insider Access
The LAPSUS$ group stole 190GB of Samsung source code including biometric authentication algorithms and bootloader code. The breach exposed critical device security internals.
Red Cross Data Breach: Attackers Targeted the World's Most Vulnerable People
A sophisticated cyberattack on the International Committee of the Red Cross compromised personal data of over 515,000 highly vulnerable people, including victims of conflict, missing persons, and detained individuals.
Panasonic Data Breach: Four Months of Undetected Network Access
Panasonic disclosed a data breach in November 2021, revealing that attackers had maintained access to its network for over four months before detection — highlighting the persistent challenge of dwell time.