StealC malware control panel flaw leaks details on active attacker

Researchers uncovered an XSS flaw in StealC malware’s control panel, exposing key details about a threat actor using the info stealer. StealC is an infostealer that has been active since at least 2023, sold as Malware-as-a-Service to steal cookies and passwords. In 2025, its operators released StealC v2, but the web panel quickly leaked and […]

January 19, 2026
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Hacker pleads guilty to hacking Supreme Court, AmeriCorps, and VA Systems

An actor who goes online with the alias @ihackthegovernment posted stolen personal data from his victims, including the U.S. Supreme Court. Nicholas Moore, 24, from Tennessee, pleaded guilty to repeatedly hacking the U.S. Supreme Court’s electronic filing system. Court documents reveal he used his Instagram account to leak data from several of his victims. “Nicholas […]

January 19, 2026
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Hacktivists hijacked Iran ’s state TV to air anti-regime messages and an appeal to protest from Reza Pahlavi

Activists hacked Iran ’s Badr satellite, briefly broadcasting Reza Pahlavi’s anti-regime protest messages on state TV channels. Anti-regime activists briefly took control of Iran ’s Badr satellite, hijacking state TV to broadcast Crown Prince Reza Pahlavi’s calls for protests against the Islamic Republic. Pahlavi’s media team also shared the footage of the hack. “Several Iranian […]

January 19, 2026
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GootLoader uses malformed ZIP files to bypass security controls

GootLoader malware uses malformed ZIP files made of hundreds of concatenated archives to evade detection. GootLoader is used by ransomware actors for initial access, then handed off to others. Built to evade detection, it accounted for 11% of bypassing malware in the past years. GootLoader runs on an access-a-as-a-service model, it is used by different groups to […]

January 18, 2026
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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 80

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Gogs 0-Day Exploited in the Wild SHADOW#REACTOR – Text-Only Staging, .NET Reactor, and In-Memory Remcos RAT Deployment   “Untrustworthy Fund”: targeted UAC-0190 cyberattacks against SOU using PLUGGYAPE (CERT-UA#19092)   Hiding in Plain Sight: Deconstructing the Multi-Actor […]

January 18, 2026
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Security Affairs newsletter Round 559 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. Ukraine–Germany operation targets Black Basta, Russian leader wanted China-linked APT UAT-8837 targets North American critical infrastructure […]

January 18, 2026
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Ukraine–Germany operation targets Black Basta, Russian leader wanted

Police in Ukraine and Germany identified Black Basta suspects and issued an international wanted notice for the group’s alleged Russian leader. Ukrainian and German police raided homes linked to alleged Black Basta ransomware members, identifying two Ukrainian suspects. Law enforcement also issued an international wanted notice for the group’s alleged Russian ringleader. “The Office of […]

January 17, 2026
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China-linked APT UAT-8837 targets North American critical infrastructure

Cisco Talos says a China-linked group, tracked as UAT-8837, has targeted North American critical infrastructure since last year. Cisco Talos reports that threat group UAT-8837, likely linked to China, has targeted critical infrastructure in North America since at least last year. The activity shows tactics overlapping with known China-linked clusters. “Cisco Talos is closely tracking […]

January 17, 2026
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Data breach at Canada’s Investment Watchdog Canadian Investment Regulatory Organization impacts 750,000 people

A data breach at Canada’s investment watchdog, Canadian Investment Regulatory Organization (CIRO), impacted about 750,000 people. The Canadian Investment Regulatory Organization (CIRO) is Canada’s national self-regulatory body overseeing investment dealers and marketplaces, protecting investors, enforcing compliance, and maintaining fair, efficient capital markets. CIRO announced that threat actors stole personal data of 750,000 people in an […]

January 16, 2026
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China-linked APT UAT-9686 abused now patched maximum severity AsyncOS bug

Cisco fixed a maximum severity AsyncOS flaw in Secure Email products, previously exploited as a zero-day by China-linked APT group UAT-9686. Cisco fixed a critical AsyncOS flaw, tracked as CVE-2025-20393 (CVSS score of 10.0), affecting Secure Email Gateway and Email and Web Manager, previously exploited as a zero-day by China-linked APT group UAT-9686. Cisco detected attacks […]

January 16, 2026
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