StegoAd: How 119 Fake Browser Extensions Stole Credentials and Ran Ad Fraud for Two Years

Microsoft shut down the StegoAd campaign, which used 119 malicious Edge extensions, hit 2.6M installs, and ran undetected for two years. Microsoft just shut down one of the more... Read more »

SSU and FBI Uncover Russian Cyber Espionage Operation Against Officials and Military Personnel

Ukraine’s SSU and the FBI Just Confirmed Russian Intelligence Has Been Systematically Hacking Messenger Accounts for Years. The Security Service of Ukraine (SSU), working jointly with the FBI, has... Read more »

KDDI Data Breach Impacts up to 14.2 Million Email Accounts at Six ISPs

KDDI Corporation disclosed a breach affecting up to 14.2 million email accounts after attackers exploited a vulnerability in third-party software. KDDI Corporation disclosed a data breach that exposed up... Read more »

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 103

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter More Than 4,000 Legacy Routers Compromised by AryStinger,... Read more »

Security Affairs newsletter Round 583 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... Read more »

New FBI Alert: Russian Intelligence Uses Signal Recovery Keys to Access Messages

FBI warns Russian spies now target Signal Backup Recovery Keys, enabling access to message history and long-term account takeover. The FBI and CISA updated their March 2026 warning about... Read more »

Hospitality Sector Hit by Phishing Campaign Using Fake Guest Complaint Emails

Microsoft warns of a phishing campaign targeting the hospitality sector with fake guest emails that install TonRAT using resilient persistence. Microsoft Threat Intelligence published a detailed analysis on an... Read more »

DirtyClone: Fourth Linux Kernel Flaw in Six Weeks Escalates to Root

DirtyClone: a Linux kernel privilege escalation that silently rewrites executables in memory, leaving no disk trace. Patch now. JFrog Security Research published a working exploit walkthrough on June 25... Read more »

Chinese APT CL-STA-1062 Expands Attacks on Southeast Asian Critical Infrastructure With Custom Malware

Chinese-speaking APT CL-STA-1062 targeted Southeast Asian government and energy networks open-source tools, and a new TinyRCT backdoor. Palo Alto Networks Unit 42 researchers published a detailed report on a... Read more »

Activist Phone Hacked With Cellebrite After Russia Contract Cancellation

Russian authorities used Cellebrite tools to unlock an activist’s iPhone and analyze private data despite canceled support, raising abuse concerns. On May 31, 2021, Russian security services pulled opposition... Read more »
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