data breach
Ascension discloses new data breach after third-party hacking incident
Ascension, one of the largest private healthcare systems in the United States, is notifying patients that their personal and health information was stolen in a December 2024 data theft attack, which affected a former business partner. The health network operates 142 hospitals nationwide, has over 142,000 employees, and has reported a total revenue of $28.3 billion in […]
VeriSource now says February data breach impacts 4 million people
Employee benefits administration firm VeriSource Services is warning that a data breach exposed the personal information of four million people. VeriSource is a Texas-based employee benefits administration and HR outsourcing solutions provider with diverse clients across the U.S. The firm has begun data breach notifications to impacted individuals about a cybersecurity incident that occurred in […]
Mobile provider MTN says cyberattack compromised customer data
African mobile giant MTN Group announced that a cybersecurity incident has compromised the personal information of some of its subscribers in certain countries. MTN Group (formerly M-Cell) is Africa’s largest mobile network operator, with a strong Asian market presence. The company has nearly 300 million subscribers across 20 countries and an annual revenue surpassing $11 […]
Baltimore City Public Schools data breach affects over 31,000 people
Baltimore City Public Schools notified tens of thousands of employees and students of a data breach following an incident in February when unknown attackers hacked into its network. Established in 1829, the public school district provides primary and secondary education to 76,841 enrolled students through 164 schools and programs. “On February 13, 2025, Baltimore City […]
Frederick Health data breach impacts nearly 1 million patients
A ransomware attack in January at Frederick Health Medical Group, a major healthcare provider in Maryland, has led to a data breach affecting nearly one million patients. With almost 4,000 employees and over 25 locations, Frederick Health is one of Frederick County’s largest employers. As the health system revealed in a late March notification to patients, […]
Interlock ransomware claims DaVita attack, leaks stolen data
The Interlock ransomware gang has claimed the cyberattack on DaVita kidney dialysis firm and leaked data allegedly stolen from the organization. DaVita is a Fortune 500 kidney care provider with more than 2,600 U.S. dialysis centers, 76,000 employees in 12 countries, and an annual revenue exceeding $12.8 billion. The healthcare company disclosed to the U.S. […]
Yale New Haven Health data breach affects 5.5 million patients
Yale New Haven Health (YNHHS) is warning that threat actors stole the personal data of 5.5 million patients in a cyberattack earlier this month. YNHHS is a nonprofit healthcare network in Connecticut, the largest in the state, providing comprehensive care across five hospitals and 360 outpatient locations. It employs 30,000 health professionals and has an […]
Blue Shield of California leaked health data of 4.7 million members to Google
Blue Shield of California disclosed it suffered a data breach after exposing protected health information of 4.7 million members to Google’s analytics and advertisement platforms. The nonprofit health plan, which serves nearly 6 million members across California, published a data breach notification on its website stating that member data was exposed between April 2021 and January […]
SK Telecom warns customer USIM data exposed in malware attack
South Korea’s largest mobile operator, SK Telecom, is warning that a malware infection allowed threat actors to access sensitive USIM-related information for customers. SK Telecom is the largest mobile network operator in South Korea, holding approximately 48.4% of the mobile phone service market in the country, corresponding to 34 million subscribers. The company says they detected malware […]
Entertainment services giant Legends International discloses data breach
Entertainment venue management firm Legends International warns it suffered a data breach in November 2024, which has impacted employees and people who visited venues under its management. In a notification letter shared with the authorities, the company informs that it detected unauthorized activity in its IT systems on November 9, 2024, prompting an investigation carried […]