Security Affairs newsletter Round 538 by Pierluigi Paganini – INTERNATIONAL EDITION

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. Kidney dialysis firm DaVita confirms ransomware attack compromised data of 2.7M people China-linked Silk Typhoon APT […]

Kidney dialysis firm DaVita confirms ransomware attack compromised data of 2.7M people

Kidney dialysis firm DaVita confirms ransomware breach exposed personal and health data of nearly 2.7M individuals. Kidney dialysis firm DaVita disclosed a data breach after a ransomware attack, the incident exposed personal and health information of nearly 2.7 million individuals. The number of impacted individuals reported by the Department of Health’s Office for Civil Rights […]

China-linked Silk Typhoon APT targets North America

China-linked Silk Typhoon APT group ramp up North America attacks, exploiting n-day and zero-day flaws for system access, CrowdStrike warns. China-linked Silk Typhoon APT group (aka Murky Panda) targets organizations in North America exploiting n-day and zero-day flaws for system access, CrowdStrike warns. This Chinese APT has one of the widest targeting scopes. In March, […]

Over 300 entities hit by a variant of Atomic macOS Stealer in recent campaign

Over 300 entities hit by the Atomic macOS Stealer via malvertising campaign between June and August, CrowdStrike warns. From June and August, over 300 entities were hit by a variant of the Atomic macOS Stealer (AMOS) called SHAMOS, reports CrowdStrike. The Atomic macOS Stealer lets operators steal diverse information from infected machines. This includes Keychain […]

Ducky Reverse Shell update

I’ve updated my reverse shell repo. I still use this attack during red team engagements. Unfortunately, many users/devices are still running with local admin rights. https://github.com/dvbnl/rubber-ducky I’ve build in persistence and tested it on the l…

Operation Serengeti 2.0: INTERPOL nabs 1,209 cybercriminals in Africa, seizes $97M

INTERPOL arrested 1,209 cybercriminals in 18 African nations seizing $97.4M, and dismantling 11,432 malicious infrastructures. INTERPOL announced the result of the second phase of ongoing law enforcement Operation Serengeti (June to August 2025) that led to 1,209 arrests across 18 nations in Africa. The authorities are aiding 88,000 victims, seizing $97.4M, and dismantling 11,432 cybercrime […]

After SharePoint attacks, Microsoft stops sharing PoC exploit code with China

Microsoft halts PoC exploit sharing with Chinese firms after SharePoint zero-day leaks, giving only written bug details to curb future abuse. Microsoft has reportedly stopped giving Chinese firms proof-of-concept exploit code through its Microsoft Active Protections Program (MAPP) program after July’s mass exploitation of SharePoint flaws, believed linked to a leak of early bug disclosures. […]

Former developer jailed after deploying kill-switch malware at Ohio firm

Ex-developer jailed 4 years for sabotaging Ohio employer with kill-switch malware that locked employees out after his account was disabled. Ex-developer Davis Lu (55) was sentenced to 4 years for sabotaging Ohio employer with kill-switch malware that locked staff out after his account was disabled. The Chinese national was also sentenced to three years of […]

Colt Discloses Breach After Warlock Ransomware Group Puts Files Up for Sale

Colt Technology Services confirmed a data breach by the WarLock ransomware group; the company is working to restore disrupted systems. Colt Technology Services confirmed that threat actors breached its systems and stole some data. The telecoms company is working to restore disrupted systems. Colt, officially known as Colt Technology Services Group Limited, is a multinational telecommunications […]