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News

4sysops
4sysops.com > archives > dutch-ncsc-says-check-point-vpn-flaw-exploitation-is-imminent

Dutch NCSC says Check Point VPN flaw exploitation is imminent – 4sysops

8+ hour, 9+ min ago   (25+ words) The Dutch NCSC now expects attackers to target two critical Check Point VPN flaws soon, despite no public proof-of-concept exploit. The warning raises the urgen...

4sysops
4sysops.com > archives > check-point-rushes-fixes-for-two-cvss-9-8-quantum-vpn-certificate-rces

Check Point rushes fixes for two CVSS 9.8 Quantum VPN certificate RCEs – 4sysops

2+ day, 12+ hour ago   (23+ words) Check Point has released same-day fixes for two CVSS 9.8 vulnerabilities in Quantum VPN certificate processing that could let unauthenticated remote attackers e...

4sysops
4sysops.com > archives > fake-software-installers-use-msiexec-to-bypass-defenses-and-persist-on-windows

Fake software installers use msiexec to bypass defenses and persist on Windows – 4sysops

5+ day, 9+ hour ago   (21+ words) Microsoft is tracking an active fake software campaign that regenerates malicious archives behind familiar download filenames, then uses Windows components such...

4sysops
4sysops.com > archives > 19-chrome-and-edge-extensions-turn-into-modular-crypto-stealers

19 Chrome and Edge extensions turn into modular crypto stealers – 4sysops

2+ week, 1+ day ago   (23+ words) A campaign dubbed Superior has compromised 19 Chrome and Edge extensions with a modular malware framework that can drain cryptocurrency wallets, steal credentia...

4sysops
4sysops.com > archives > attackers-begin-probing-microsoft-sharepoint-rce-chain-with-poc

Attackers begin probing Microsoft SharePoint RCE chain with PoC – 4sysops

2+ week, 3+ day ago   (22+ words) Attackers are actively probing Microsoft SharePoint servers with a two-step exploit chain that combines a JWT authentication bypass with a Business Connectivity...

4sysops
4sysops.com > archives > sleepwalker-backdoor-hides-in-eset-agent-and-wakes-on-a-crafted-packet

SLEEPWALKER backdoor hides in ESET agent and wakes on a crafted packet – 4sysops

2+ week, 3+ day ago   (24+ words) A newly documented Windows backdoor named SLEEPWALKER can remain inactive in memory until it receives a specially formed network packet, then execute commands t...

4sysops
4sysops.com > archives > citrix-uniconos-dual-boot-turns-windows-pcs-into-recovery-devices

Citrix UniconOS dual boot turns Windows PCs into recovery devices – 4sysops

2+ week, 4+ day ago   (24+ words) Citrix UniconOS dual boot is now available in Release 7 2607, allowing compatible Windows endpoints to boot into a separate recovery environment when ransomware...

4sysops
4sysops.com > archives > synkloader-turns-microsoft-teams-chats-into-a-fake-windows-lock-screen-trap

SynkLoader turns Microsoft Teams chats into a fake Windows lock-screen trap – 4sysops

3+ week, 1+ day ago   (23+ words) A newly identified malware family called SynkLoader is being delivered through Microsoft Teams phishing messages that impersonate corporate IT staff. Its most d...

4sysops
4sysops.com > archives > cisa-links-windows-task-host-flaw-to-ransomware-attacks

CISA links Windows Task Host flaw to ransomware attacks – 4sysops

3+ week, 4+ day ago   (22+ words) CISA has confirmed that ransomware gangs are exploiting CVE-2025-60710, a Windows Task Host privilege-escalation flaw affecting Windows 11 and Windows Server 20...

4sysops
4sysops.com > archives > akira-ransomwares-safe-mode-attack-disabled-defenses

Akira ransomware’s Safe Mode attack disabled defenses – 4sysops

4+ week, 1+ day ago   (24+ words) An Akira ransomware affiliate rebooted a victim into Safe Mode to disable Huntress and Microsoft Defender, but the restricted environment also caused Akira’s en...