South Korean conglomerate Kyowon confirmed a ransomware attack that disrupted operations and may have exposed customer data. Kyowon Group is a major South Korean conglomerate with diverse business interests spanning education, publishing, media, and technology. It operates nationwide, serving millions of customers through its various subsidiaries and brands. The company is a significant player in […]
A cyberattack on Central Maine Healthcare exposed the personal, medical, and insurance data of about 145,000 patients. Central Maine Healthcare notified patients affected by a data security incident. The organization detected unusual activity on June 1, 2025, secured its systems, and launched an investigation with the help of third-party cybersecurity experts while notifying law enforcement. […]
Endesa disclosed a data breach exposing full customer data, including contact details, national ID numbers, and payment information. Spanish energy firm Endesa disclosed a data breach, threat actors stole full customer data, including contact details, national ID numbers, and payment information. “In this regard, we regret to inform you that Endesa Energía has detected a […]
A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. A massive breach exposed data of 17.5M Instagram users North Korea–linked APT Kimsuky behind quishing attacks, […]
A massive breach exposed data of 17.5M Instagram users, triggering mass password reset emails and fears that stolen data is already circulating online. A major data breach has exposed the personal data of about 17.5 million Instagram users, Malwarebytes Labs researchers warn. Exposed data includes usernames, physical addresses, phone numbers, and email addresses,. Since January […]
Illinois Department of Human Services (IDHS) exposed personal and health data of nearly 700,000 residents due to incorrect privacy settings. The Illinois Department of Human Services (IDHS ) disclosed a data breach after misconfigured privacy settings exposed personal and health data of nearly 700,000 residents. On September 22, 2025, IDHS discovered that internal maps meant […]
Sedgwick confirmed a cyber incident at its federal contractor unit after TridentLocker claimed to steal 3.4GB of data. Sedgwick is a leading global claims management and risk services provider operating in the insurance and risk solutions sector. It employs roughly 33,000 people worldwide, across more than 80 countries. Estimated annual revenue is in the multi-billion […]
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Evasive Panda APT poisons DNS requests to deliver MgBot Spearphishing Campaign Abuses npm Registry to Target U.S. and Allied Manufacturing and Healthcare Organizations EmEditor Supply Chain Incident Details Disclosed: Distribution of Information-Stealing Malware Sweeps […]
A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. French authorities investigate AI ‘undressing’ deepfakes on X Thousands of ColdFusion exploit attempts spotted during Christmas […]
Covenant Health suffered a ransomware attack by the Qilin group in May 2025, compromising data of over 478,000 individuals. Covenant Health, Inc., based in Andover, Massachusetts, is a healthcare organization that provides medical services and patient care. Covenant Health operates hospitals, clinics, or related healthcare facilities in multiple states, including Massachusetts, Maine, New Hampshire, Pennsylvania, […]