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News
Windows 11 KB5101684 delivers 42 fixes and new accessibility features – 4sysops
1+ hour, 53+ min ago (62+ words) Microsoft has released KB5101684, an optional July 2026 preview update for Windows 11 versions 24H2 and 25H2. The update advances systems to builds 26100.8973 a...
Teams mobile update deadline moves up: Calendar stops working October 1 – 4sysops
1+ hour, 53+ min ago (29+ words) Microsoft has moved the Teams mobile app update deadline forward to October 1, 2026. Users on iOS and Android must install a compatible version by the end of Se...
Hijacked hotel Wi-Fi pushes fake browser updates delivering CornFlake RAT – 4sysops
1+ day, 9+ hour ago (24+ words) Attackers are using compromised hotel and conference-center Wi-Fi gateways to redirect guests to fake browser or operating-system updates. The campaign delivers...
Device code phishing hits industrial scale with 25+ active kits – 4sysops
2+ day, 7+ hour ago (26+ words) Device code phishing has moved from a niche technique to an industrialized threat, with more than 25 active kits and new campaigns appearing rapidly. The OAuth...
AI defense is starting to act autonomous – 4sysops
3+ day, 57+ min ago (23+ words) One-third of organizations already let AI remediate security issues without human approval, while nearly half expect vulnerability management to become mostly m...
Russian hackers use OWAReaper to keep Microsoft OWA access after resets – 4sysops
3+ day, 10+ hour ago (24+ words) A Microsoft Outlook Web Access flaw is allowing the Russian-aligned TA488 group to establish mailbox access that survives password changes, browser restarts, an...
VMware patches vCenter auth bypass and critical VM escape – 4sysops
4+ day, 3+ hour ago (24+ words) Broadcom has patched three critical VMware vulnerabilities, including a CVSS 9.8 vCenter authentication bypass and a VMXNET3 flaw that can let an attacker escap...
Cloudflare’s post-quantum origin authentication is live after TLS regression – 4sysops
4+ day, 5+ hour ago (21+ words) Cloudflare has enabled post-quantum authentication for connections to customer origin servers after resolving a TLS compatibility incident. Administrators can n...
Outlook calendar migration bug gets a backend fix before the 2027 switch – 4sysops
4+ day, 13+ hour ago (24+ words) Microsoft is preparing fixes for the calendar problems making the move from Classic Outlook to New Outlook disruptive. Automapped calendars will follow users be...
Teams status stuck on Out of Office? Clear the Outlook sync – 4sysops
5+ day, 2+ hour ago (24+ words) Microsoft Teams can continue showing Out of Office after you return because the presence state is synchronized with Outlook’s automatic-reply settings. Turning...