Security

Pierluigi Paganini November 02, 2025
Security Affairs newsletter Round 548 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. BadCandy Webshell threatens unpatched Cisco IOS XE devices, warns Australian government China-linked UNC6384 exploits Windows zero-day […]

Pierluigi Paganini November 02, 2025
Ukrainian extradited to US over Conti ransomware involvement

Ukrainian Oleksii Lytvynenko extradited from Ireland to US for alleged role in Conti ransomware after fleeing Ukraine in 2022. Ukrainian national Oleksii Lytvynenko (43) extradited from Ireland to the US, faces charges for alleged involvement in Conti ransomware attacks after fleeing Ukraine in 2022. The man appeared in a US court and was charged with […]

Pierluigi Paganini November 01, 2025
BadCandy Webshell threatens unpatched Cisco IOS XE devices, warns Australian government

Australia warns of attacks on unpatched Cisco IOS XE devices exploiting CVE-2023-20198, allowing BadCandy webshell install. The Australian Signals Directorate (ASD) warns of ongoing attacks on unpatched Cisco IOS XE devices exploiting CVE-2023-20198, allowing BadCandy webshell infections and admin takeover. “Cyber actors are installing an implant dubbed ‘BADCANDY’ on Cisco IOS XE devices that are vulnerable […]

Pierluigi Paganini November 01, 2025
China-linked UNC6384 exploits Windows zero-day to spy on European diplomats

A China-linked APT group UNC6384 exploits a Windows zero-day in an active cyber espionage targeting European diplomats. Arctic Wolf Labs researchers uncovered a cyber espionage campaign by China-linked APT UNC6384 targeting diplomatic entities in Hungary, Belgium, and other EU nations. UNC6384 is a China-nexus actor recently detailed by Google TAG, has expanded from targeting Southeast […]

Pierluigi Paganini October 31, 2025
Old Linux Kernel flaw CVE-2024-1086 resurfaces in ransomware attacks

CISA warns ransomware gangs exploit CVE-2024-1086, a Linux kernel flaw in netfilter: nf_tables, introduced in 2014 and patched in Jan 2024. CISA warned that ransomware gangs are exploiting CVE-2024-1086, a high-severity Linux kernel flaw introduced in 2014 and patched in January 2024. CISA didn’t provide details about the ransomware attacks exploiting the flaw or name […]

Pierluigi Paganini October 31, 2025
Suspected Chinese actors compromise U.S. Telecom firm Ribbon Communications

A nation-state actor, likely a China-nexus one, hacked the U.S.-based technology company Ribbon Communications. Ribbon Communications is a U.S.-based technology company that provides telecommunications and networking. Ribbon Communications employs approximately 3,052 people as of December 31, 2024. The company reported annual revenue of US $834 million in 2024. The U.S. telecom provider disclosed a cyberattack […]

Pierluigi Paganini October 30, 2025
U.S. CISA adds XWiki Platform, and Broadcom VMware Aria Operations and VMware Tools flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds XWiki Platform, and Broadcom VMware Aria Operations and VMware Tools flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added XWiki Platform, and Broadcom VMware Aria Operations and VMware Tools flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws […]

Pierluigi Paganini October 30, 2025
Brush exploit can cause any Chromium browser to collapse in 15-60 seconds

“Brash” flaw in Chromium’s Blink engine lets attackers crash browsers instantly via a single malicious URL, researcher Jose Pino revealed. Security researcher Jose Pino found a severe vulnerability, named Brash, in Chromium’s Blink rendering engine that can be exploited to crash many Chromium-based browsers within a few seconds. “Brash is a critical vulnerability in Blink, the rendering engine that […]

Pierluigi Paganini October 30, 2025
Ex-Defense contractor exec pleads guilty to selling cyber exploits to Russia

Former US defense contractor exec Peter Williams pled guilty to stealing trade secrets and selling cyber exploits to a Russian broker, per the US DOJ. Ex-US defense contractor Peter Williams (39) admits stealing US trade secrets and selling cyber exploits to a Russian broker. Williams, an Australian national, pleaded guilty to stealing and selling U.S. […]

Pierluigi Paganini October 29, 2025
Russian hackers, likely linked to Sandworm, exploit legitimate tools against Ukrainian targets

Russian actors, likely linked to Sandworm, targeted Ukrainian firms using LotL tactics and dual-use tools to steal data and stay hidden, says Symantec and Carbon Black. Russian threat actors, likely linked to the APT Sandworm, targeted Ukrainian organizations to steal sensitive data and maintain long-term network access, Symantec Threat Hunter Team and Carbon Black report. […]