AZ Monica Hospital — Ransomware Attack Disrupts Patient Care Across Belgian Healthcare
critical A ransomware attack on AZ Monica hospital in Antwerp forced cancellation of 70+ surgeries, patient transfers, and revealed a broader breach affecting five Belgian hospitals through a shared software supplier.
Blue Shield of California — Google Analytics Misconfiguration Exposes 4.7 Million Members
critical Blue Shield of California disclosed that a Google Analytics misconfiguration shared protected health information of 4.7 million members with Google Ads over nearly three years.
Sedgwick Government Solutions — TridentLocker Ransomware Breach
high The TridentLocker ransomware group breached Sedgwick Government Solutions, a federal contractor subsidiary providing claims management to DHS, ICE, and CISA, exfiltrating 3.39 GB of data.
European Space Agency — Hackers Claim 200 GB of Source Code and Credentials
high A threat actor breached ESA's external Bitbucket and Jira servers, claiming 200 GB of source code, API tokens, credentials, and confidential mission documents. A second breach followed within weeks.
Change Healthcare — ALPHV/BlackCat Ransomware Disrupts US Healthcare System
critical The ALPHV/BlackCat ransomware attack on Change Healthcare caused the most significant disruption to the US healthcare system from a cyberattack, affecting claims processing for months and exposing data of approximately 100 million individuals.
Snowflake Customer Data Theft Campaign — 165+ Organizations Compromised
critical A credential theft campaign targeting Snowflake customer accounts without MFA resulted in data theft from over 165 organizations including Ticketmaster, AT&T, Santander, and Advance Auto Parts.
Salt Typhoon — Chinese State-Sponsored Espionage Infiltrates US Telecommunications
critical The Salt Typhoon campaign by Chinese state-sponsored actors compromised major US telecom providers including AT&T, Verizon, and T-Mobile, accessing lawful intercept systems and call metadata in what officials called the worst telecom hack in US history.
Synnovis/NHS — Qilin Ransomware Disrupts London Hospital Blood Services
critical A Qilin ransomware attack on pathology provider Synnovis disrupted blood testing and transfusion services across major London NHS hospitals for months, forcing cancellation of thousands of operations and appointments.
National Public Data — 2.9 Billion Records Exposed, Company Files Bankruptcy
critical Data broker National Public Data suffered a massive breach exposing 2.9 billion records including Social Security numbers, leading to class-action lawsuits and the company's bankruptcy filing.
AT&T — Call and Text Records of Nearly All Wireless Customers Stolen
critical AT&T disclosed that hackers stole call and text metadata for nearly all of its wireless customers — approximately 110 million people — from a Snowflake cloud environment.
MOVEit Transfer — Cl0p Mass Exploitation Affects 2,700+ Organizations
critical The Cl0p ransomware group exploited a zero-day vulnerability in Progress Software's MOVEit Transfer, compromising over 2,700 organizations and exposing data of 95+ million individuals in one of the largest mass exploitation events ever.
Ticketmaster/Live Nation — 560 Million Customer Records Stolen
critical Hackers stole personal and payment data of approximately 560 million Ticketmaster customers from a Snowflake cloud environment, in one of the largest consumer data breaches of 2024.