Pierluigi Paganini
January 26, 2026
Microsoft issued emergency updates to fix an actively exploited Office zero-day, CVE-2026-21509, affecting Office 2016–2024 and Microsoft 365 Apps. Microsoft released out-of-band security updates to address an actively exploited Office zero-day vulnerability tracked as CVE-2026-21509. The issue is a security feature bypass vulnerability that affects multiple Office versions, including Microsoft Office 2016, Microsoft Office 2019, […]
Pierluigi Paganini
January 26, 2026
Microsoft warns of a multi-stage phishing and BEC campaign hitting energy firms, abusing SharePoint links and inbox rules to steal credentials. Microsoft reports an active multi-stage phishing campaign targeting energy sector organizations. The campaign misused SharePoint file-sharing to deliver phishing links and created inbox rules to hide malicious activity and maintain persistence. After the initial […]
Pierluigi Paganini
January 26, 2026
Check Point links an active phishing campaign to North Korea–aligned KONNI, targeting developers with fake blockchain project docs and using an AI-written PowerShell backdoor. Check Point Research uncovered an active phishing campaign attributed to the North Korea–linked KONNI group (aka Kimsuky, Earth Imp, TA406, Thallium, Vedalia, and Velvet Chollima). The operation targets software developers and engineers using fake project […]
Pierluigi Paganini
January 26, 2026
Russia-linked APT Sandworm launched what was described as the largest cyber attack on Poland’s power grid in Dec 2025. ESET linked a late-2025 cyberattack on Poland’s energy system to the Russia-linked Sandworm APT. “Based on our analysis of the malware and associated TTPs, we attribute the attack to the Russia-aligned Sandworm APT with medium confidence due to […]
Pierluigi Paganini
January 24, 2026
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw impacting Broadcom VMware vCenter to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Broadcom VMware vCenter Server vulnerability, tracked as CVE-2024-37079 (CVSS score of 9.8), to its Known Exploited Vulnerabilities (KEV) catalog. vCenter Server is a centralized management platform developed […]
Pierluigi Paganini
January 24, 2026
Critical telnetd flaw CVE-2026-24061 (CVSS 9.8) affects all GNU InetUtils versions 1.9.3–2.7 and went unnoticed for nearly 11 years. A critical vulnerability, tracked as CVE-2026-24061 (CVSS score of 9.8), in the GNU InetUtils telnet daemon (telnetd) impacts all versions from 1.9.3 to 2.7. The vulnerability can be exploited to gain root access on affected systems. […]
Pierluigi Paganini
January 23, 2026
Fortinet confirmed attacks are bypassing FortiCloud SSO authentication, affecting even fully patched devices, similar to recent SSO flaws. Fortinet confirmed attacks bypass FortiCloud SSO on fully patched devices. Threat actors automate firewall changes, add users, enable VPNs, and steal configs, in campaigns resembling December 2025 exploits of critical FortiCloud SSO flaws. Arctic Wolf researchers reported […]
Pierluigi Paganini
January 23, 2026
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Prettier eslint-config-prettier, Vite Vitejs, Versa Concerto SD-WAN orchestration platform, and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Prettier eslint-config-prettier, Vite Vitejs, Versa Concerto SD-WAN orchestration platform and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities […]
Pierluigi Paganini
January 22, 2026
A SmarterMail flaw (WT-2026-0001) is under active attack just days after its January 15 patch, with no CVE assigned yet. A newly disclosed flaw in SmarterTools SmarterMail is being actively exploited just two days after a patch was released. The issue, tracked as WT-2026-0001 and lacking a CVE, was fixed on January 15, 2026, with […]
Pierluigi Paganini
January 22, 2026
Arctic Wolf warned of a new wave of automated attacks making unauthorized firewall configuration changes on Fortinet FortiGate devices. Arctic Wolf researchers reported a new automated attack cluster observed since January 15, 2026, targeting FortiGate devices. Attackers created generic accounts for persistence, enabled VPN access, and exfiltrated firewall configurations. The activity resembles a December 2025 […]
