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4sysops
4sysops.com > archives > openssl-4-1-0-alpha-brings-dtls-1-3-and-faster-post-quantum-crypto

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...

4sysops
4sysops.com > archives > shieldcrash-follows-record-patch-tuesday-with-two-zero-days

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...

4sysops
4sysops.com > archives > september-2026-exchange-server-updates-target-rce-and-mailbox-takeover-risks

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...

4sysops
4sysops.com > archives > microsoft-graphs-group-mailbox-blind-spot-breaks-folder-aware-backups

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...

4sysops
4sysops.com > archives > cisco-patch-bundle-hits-critical-nexus-9000-and-ios-xr-flaws

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...

4sysops
4sysops.com > archives > sap-overpass-flaw-puts-more-than-10000-internet-facing-systems-at-risk

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...

4sysops
4sysops.com > archives > critical-vmware-workstation-flaw-lets-vm-admins-break-out-to-the-host

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...

4sysops
4sysops.com > archives > microsoft-patch-apocalypse-enters-month-three

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...

4sysops
4sysops.com > archives > teams-will-restrict-external-chats-for-moera-only-tenants-in-september

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...

4sysops
4sysops.com > archives > sift-scans-microsoft-365-slack-and-jira-for-forgotten-secrets

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,...