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News
Thunderbird will move to two-week releases in September – 4sysops
1+ hour, 51+ min ago (26+ words) Thunderbird will double its release pace in September, switching from monthly updates to a new version every two weeks. Thunderbird 154 is the first interim rel...
Microsoft’s Entra SMS warning hides a temporary passkey delay – 4sysops
1+ day, 6+ hour ago (23+ words) Microsoft’s latest warning to Entra ID administrators omits an important detail: the automatic passkey rollout can be temporarily delayed. This option matters f...
Your first shortened TLS certificates expire in September – 4sysops
1+ week, 1+ day ago (34+ words) Public TLS validity dropped from 398 days to 200 days on March 15, 2026, the first of three cuts on the way to 47 days in March 2029. Most CAs moved early, so c...
New 4sysops features: Homepage read filter, automatic reload, fact-checking – 4sysops
1+ week, 3+ day ago (63+ words) The new Homepage filter lets members mark posts they have read or scrolled past. Keeping the 4sysops homepage open will now automatically load newly published p...
DeadLock ransomware turns recovery chat into a decentralized takedown challenge – 4sysops
1+ week, 3+ day ago (21+ words) DeadLock ransomware is using a self-contained recovery chat that combines the Polygon blockchain, the decentralized Session messenger, and external file storage...
Microsoft starts moving cross-tenant Free/Busy off Exchange Web Services – 4sysops
1+ week, 3+ day ago (22+ words) Microsoft is beginning the rollout of Cross-Tenant Access Policy for cross-tenant Free/Busy, MailTips, and calendar sharing. Organizations that still depend on...
Outlook’s August update makes calendar juggling much faster – 4sysops
2+ week, 1+ day ago (27+ words) Outlook is preparing a useful set of calendar and email improvements for August 2026, led by drag-and-drop rescheduling on Android and iOS. Users will also be a...
Edit on-prem Exchange attributes in Exchange Online with writeback for cloud-managed remote mailboxes – 4sysops
2+ week, 2+ day ago (21+ words) Microsoft has made Exchange attribute writeback for cloud-managed remote mailboxes generally available. It lets you manage selected Exchange mailbox attributes...
Greatness PhaaS adds device-code phishing to harvest MFA-backed tokens – 4sysops
2+ week, 2+ day ago (24+ words) Greatness, a commercial phishing-as-a-service platform, now lets attackers combine adversary-in-the-middle theft, OAuth consent abuse, and device-code phishing...
Hijacked hotel Wi-Fi pushes fake browser updates delivering CornFlake RAT – 4sysops
2+ week, 5+ day 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...