Hacking

Pierluigi Paganini April 25, 2026
CISA reports persistent FIRESTARTER backdoor on Cisco ASA device in federal network

CISA said a federal Cisco Firepower ASA device was infected with the FIRESTARTER backdoor in Sept 2025, and it survived security patches. CISA revealed that a U.S. federal civilian agency’s Cisco Firepower device running ASA software was compromised in September 2025 by the FIRESTARTER backdoor. The malware reportedly persisted even after security patches were applied, […]

Pierluigi Paganini April 24, 2026
12-year-old Pack2TheRoot bug lets Linux users gain root privileges

‘Pack2TheRoot’ flaw lets local Linux users gain root via PackageKit. CVE-2026-41651 (8.8) has existed for nearly 12 years. The Pack2TheRoot flaw, tracked as CVE-2026-41651, lets unprivileged users install or remove system packages without authorization, potentially gaining full root access. The vulnerability is rated high severity, CVSS score of 8.8, and has existed for nearly 12 […]

Pierluigi Paganini April 24, 2026
China-linked threat actors use consumer device botnets to evade detection, warn UK and partners

UK National Cyber Security Centre (NCSC) warns China-linked hackers use hijacked devices as proxy networks to hide activity and evade detection. UK National Cyber Security Centre (NCSC) and global partners warn that China-linked threat actors now rely on large proxy networks built of hacked consumer devices. Groups control routers, cameras, video recorders, and NAS systems […]

Pierluigi Paganini April 23, 2026
U.S. CISA adds a flaw in Microsoft Defender to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Microsoft Defender to its Known Exploited Vulnerabilities catalog The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Microsoft Defender, tracked as CVE-2026-33825 (CVSS score of 7.8), to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2026-33825 is a Microsoft Defender flaw that can be exploited […]

Pierluigi Paganini April 22, 2026
DDoS wave continues as Mastodon hit after Bluesky incident

Mastodon suffered a major DDoS attack shortly after a similar incident hit Bluesky. The outage was significant but resolved within a few hours. Mastodon was hit by a major DDoS attack just days after a similar disruption affected Bluesky. Mastodon is a free and open-source software platform for decentralized social networking with microblogging features similar […]

Pierluigi Paganini April 22, 2026
Microsoft out-of-band updates fixed critical ASP.NET Core privilege escalation flaw

Microsoft fixed critical ASP.NET Core vulnerability, tracked as CVE-2026-40372 (CVSS score of 9.1), that lets attackers escalate privileges. Microsoft released out-of-band updates to address a serious ASP.NET Core vulnerability tracked as CVE-2026-40372 (CVSS score of 9.1). Microsoft fixed the flaw in ASP.NET Core version 10.0.7. An attacker could exploit the flaw to gain SYSTEM-level privileges, access […]

Pierluigi Paganini April 22, 2026
Critical BRIDGE:BREAK flaws impact Lantronix and Silex Technology converters

22 BRIDGE:BREAK flaws hit Lantronix and Silex Technology converters, exposing approximately 20,000 devices to hijacking and data tampering. Researchers at Forescout Research Vedere Labs found 22 BRIDGE:BREAK flaws in serial-to-IP devices from Lantronix and Silex Technology. Serial-to-IP converters, also known as serial device servers, connect legacy serial equipment to modern IP networks for remote monitoring […]

Pierluigi Paganini April 21, 2026
North Korea’s Lazarus APT stole $290M from Kelp DAO

North Korea-linked Lazarus Group stole $290M from Kelp DAO by abusing LayerZero. A second $95M attempt was stopped. Hackers tied to the North-Korea linked group Lazarus APT carried out a $290M crypto theft targeting Kelp DAO. Kelp DAO is a decentralized finance (DeFi) protocol built on the Ethereum ecosystem that focuses on a concept called […]

Pierluigi Paganini April 21, 2026
The US NSA is using Anthropic’s Claude Mythos despite supply chain risk

Axios reports the National Security Agency uses Anthropic Mythos model despite Department of Defense concerns, blurring AI risk vs defense lines. The reported use of Anthropic’s Mythos model by the U.S. National Security Agency is a reminder that the line between AI as a defensive tool and AI as a security risk is getting harder […]

Pierluigi Paganini April 21, 2026
U.S. CISA adds Cisco Catalyst, Kentico Xperience, PaperCut NG/MF, Synacor ZCS, Quest KACE SMA, and JetBrains TeamCity flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco Catalyst, Kentico Xperience, PaperCut NG/MF, Synacor ZCS, Quest KACE SMA, and JetBrains TeamCity flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Cisco Catalyst, Kentico Xperience, PaperCut NG/MF, Synacor ZCS, Quest KACE SMA, and JetBrains TeamCity flaws to its Known […]