Security Affairs newsletter Round 579 by Pierluigi Paganini – INTERNATIONAL EDITION

Pierluigi Paganini
May 31, 2026

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.

ShinyHunters Leaks Charter Communications Data, Potentially Impacting 5 Million Customers

Signal Phishing Campaign Targets Journalists and Activists to Steal Backup Recovery Keys

Botnet of 17 Million Devices Dismantled in the Netherlands

Meet GREYVIBE, the Russia-Linked Hacking Group Using AI to Target Ukraine and Still Making Rookie Mistakes

DIL Observatory: when the World Escalates, the Underground Responds

Microsoft Calls the Zero-Day Dumps Irresponsible. The Researcher Says Microsoft Started It.

BTMOB RAT Gives Criminals a Point-and-Click Kit to Take Over Your Android Phone

Carnival Data Breach Exposes Personal Data of Nearly 6 Million Customers

CVE-2026-35616: FortiClient EMS Flaw Actively Exploited in Malware Attacks

Resecurity Supports Microsoft DCU in Disrupting Fox Tempest’s Cybercriminal Code-Signing Ecosystem

U.S. CISA adds Daemon Tools, TanStack, and Nx Console flaws to its Known Exploited Vulnerabilities catalog

A Fake UK Visa Site Left 100,000 Passports Wide Open

U.S. CISA adds LiteSpeed cPanel Plugin flaw to its Known Exploited Vulnerabilities catalog

19.6 Billion Files Are Sitting Open on the Internet. No Password Required

Romanian Hacker Gets Nearly 5 Years in US Prison Over Network Intrusion

The LA Metro Attack Wasn’t Hacktivism. It Was a State Operation With a Costume On.

How cybersecurity firms took down Glassworm botnet in one shot

Dutch Government just said no to an American firm buying the keys to their digital State

Microsoft SharePoint Has a New RCE Flaw. If You Haven’t Patched Yet, Go Do That.

The Hidden Ransomware…