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News

4sysops
4sysops.com > archives > terminalfix-turns-a-fake-captcha-into-a-stealthy-network-tunnel

TerminalFix turns a fake CAPTCHA into a stealthy network tunnel – 4sysops

3+ day, 9+ hour ago   (23+ words) A new TerminalFix campaign is using counterfeit Cloudflare CAPTCHA pages to trick Windows users into pasting PowerShell commands that ultimately turn infected P...

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 > open-source-cleaner-bleachbit-hardens-secure-file-wiping

Open-source cleaner BleachBit hardens secure file wiping – 4sysops

4+ day, 19+ hour ago   (23+ words) BleachBit is a free, open-source privacy and system-cleanup utility for Windows, Linux, and macOS. It removes temporary files, browser traces, caches, logs, and...

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, 13+ 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 > microsofts-september-patch-tuesday-heads-past-650-windows-fixes

Microsoft’s September Patch Tuesday heads past 650 Windows fixes – 4sysops

5+ day, 14+ hour ago   (26+ words) Microsoft is on track for another Patch Tuesday record, with more than 650 Windows security fixes expected in September—roughly six times the pre-2026 monthly n...

4sysops
4sysops.com > archives > cloudflare-makes-post-quantum-origin-handshakes-faster-for-45-billion-daily-connections

Cloudflare makes post-quantum origin handshakes faster for 45 billion daily connections – 4sysops

5+ day, 15+ hour ago   (20+ words) Cloudflare’s Automatic Key Exchange is now reducing TLS 1.3 origin handshake delays while automatically shifting eligible connections to post-quantum protection...

4sysops
4sysops.com > archives > microsoft-teams-will-hide-external-qr-codes-until-users-reveal-them

Microsoft Teams will hide external QR codes until users reveal them – 4sysops

1+ week, 2+ day ago   (23+ words) Microsoft Teams is preparing a QR-code phishing defense that will obscure QR-code images sent by people outside an organization. Users must deliberately reveal...

4sysops
4sysops.com > archives > crowdstrike-urges-admins-to-disable-falcon-macro-removal-after-falconflank-poc

CrowdStrike urges admins to disable Falcon macro removal after FalconFlank PoC – 4sysops

1+ week, 2+ day ago   (19+ words) CrowdStrike is investigating FalconFlank, a public proof-of-concept that allegedly enables local privilege escalation through Falcon Sensor’s Microsoft Office m...

4sysops
4sysops.com > archives > microsoft-security-enhancements-defender-mdr-plan-2-entra-tenant-governance-intune-autopilot-purview-auto-labeling-and-ai-agent-containment

Microsoft Security enhancements: Defender MDR Plan 2, Entra Tenant Governance, Intune Autopilot, Purview Auto-Labeling, and AI Agent Containment – 4sysops

1+ week, 3+ day ago   (141+ words) Microsoft's August 2026 security roundup covers managed detection for third-party logs, multi-tenant identity governance, Intune device onboarding and remote su...

4sysops
4sysops.com > archives > an-infostealer-log-can-bypass-mfa-respond-within-the-first-hour

An infostealer log can bypass MFA—respond within the first hour – 4sysops

1+ week, 3+ day ago   (117+ words) A corporate password found in an infostealer log should be treated as a possible live identity compromise, not just an old credential leak. Security teams need...