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News
Hardening Windows Server: Essential tools and techniques for administrators – 4sysops
1+ day, 7+ hour ago (28+ words) Microsoft has released a new, comprehensive hardening guide for Windows Server. As AI-driven attacks grow more dangerous by the hour, it is crucial to take a mo...
Hotel Wi-Fi DNS poisoning can bypass MFA for Microsoft 365 travelers – 4sysops
1+ day, 10+ hour ago (22+ words) Attackers are compromising hotel and conference-center Wi-Fi gateways to redirect every connected guest toward counterfeit Microsoft 365 sign-in infrastructure....
BlueNoroff keeps upgrading Zoom phishing kit with wallet profiling and deepfakes – 4sysops
1+ day, 10+ hour ago (25+ words) BlueNoroff is actively refining its fake Zoom and Microsoft Teams infrastructure, with five phishing-kit versions identified between May 31 and July 14, 2026, a...
Rufus alternative Ventoy tightens Secure Boot support for Windows 11 installers – 4sysops
1+ day, 10+ hour ago (26+ words) Ventoy 1.1.17 adds another round of Secure Boot improvements as Windows 10 and 11 systems transition to updated Microsoft signing keys. The release notes descri...
Notepad++ plugin abuse turns a trusted editor into a stealth malware loader – 4sysops
1+ day, 10+ hour ago (27+ words) CERT-UA has warned that the UAC-0099 threat cluster is using Notepad++’s normal plugin-loading behavior to hide an espionage campaign against organizations in U...
Certighost vulnerability allows domain controller impersonation via AD CS – 4sysops
1+ day, 12+ hour ago (24+ words) The Certighost vulnerability, tracked as CVE-2026-54121, allows low-privileged users to impersonate a Domain Controller by exploiting a flaw in Active Directory...
HP says 30% of PCs are still on Windows 10 as Microsoft extends support – 4sysops
1+ day, 12+ hour ago (30+ words) HP says roughly 30% of its installed PC base is still running Windows 10, showing that many customers have not yet moved to Windows 11. That holdout rate is sig...
Modernizing SAP identity management with Microsoft Entra – 4sysops
1+ day, 19+ hour ago (22+ words) Microsoft Entra now serves as a centralized identity control plane that integrates directly with SAP applications to streamline lifecycle management. By connect...
Global Microsoft 365 outage disrupts Teams and collaboration services – 4sysops
1+ day, 19+ hour ago (25+ words) A widespread service disruption on July 23, 2026, left users globally unable to join Microsoft Teams meetings or maintain active calls. The outage extended beyo...
GitHub overhauls bug bounty program with fixed payouts and VIP tier – 4sysops
1+ day, 19+ hour ago (24+ words) GitHub is restructuring its bug bounty program effective July 27, 2026, to prioritize report quality and reduce administrative overhead. The public program is s...