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News
OpenSSL 4.1.0 alpha brings DTLS 1.3 and faster post-quantum crypto – 4sysops
3+ day, 19+ hour ago (22+ words) OpenSSL 4.1.0 alpha 1 gives security teams an early test build with DTLS 1.3 and hardware-accelerated post-quantum cryptography. The release improves performanc...
ShieldCrash follows record Patch Tuesday with two zero-days – 4sysops
4+ day, 18+ hour ago (19+ words) Microsoft’s record-breaking September 2026 Patch Tuesday has already been complicated by a new proof-of-concept: researcher Nightmare Eclipse released ShieldCra...
September 2026 Exchange Server updates target RCE and mailbox takeover risks – 4sysops
4+ day, 18+ hour ago (21+ words) Microsoft’s September 2026 Exchange Server security updates fix two remote-code-execution flaws and a high-impact elevation-of-privilege bug that could let a lo...
Microsoft Graph’s group mailbox blind spot breaks folder-aware backups – 4sysops
4+ day, 18+ hour ago (21+ words) Microsoft Graph still cannot access Microsoft 365 Group mailboxes as ordinary Exchange mailboxes, leaving applications unable to enumerate folders, retrieve mes...
Cisco patch bundle hits critical Nexus 9000 and IOS XR flaws – 4sysops
4+ day, 18+ hour ago (22+ words) Cisco’s latest security release includes a critical remote-code-execution flaw in Silicon One-based Nexus 9000 switches as well as seven vulnerabilities in IOS...
SAP OVERPASS flaw puts more than 10,000 Internet-facing systems at risk – 4sysops
5+ day, 12+ hour ago (21+ words) SAP’s September 2026 security updates fix 20 vulnerabilities, led by the maximum-severity CVE-2026-44756 “OVERPASS” flaw in SAP Kernel components. Onapsis estim...
Critical VMware Workstation flaw lets VM admins break out to the host – 4sysops
6+ day, 20+ hour ago (23+ words) Broadcom has patched a critical VMware Workstation and Fusion vulnerability that can let an attacker with administrator privileges inside a virtual machine exec...
Microsoft Patch Apocalypse enters month three – 4sysops
1+ week, 2+ day ago (21+ words) The Patch Apocalypse is entering its third month, but September’s most urgent item may be Microsoft Defender’s ShieldBreak vulnerability, CVE-2026-69414, which...
Teams will restrict external chats for MOERA-only tenants in September – 4sysops
1+ week, 4+ day ago (23+ words) Microsoft will begin automatically limiting federated Teams chats for tenants that use only their default MOERA domain. MOERA stands for Microsoft Online Exchan...
Sift scans Microsoft 365, Slack, and Jira for forgotten secrets – 4sysops
1+ week, 4+ day ago (23+ words) Sift, a free open-source command-line tool from Stratus Security, searches for passwords, API keys, and other secrets across local storage, Windows file shares,...