SANS Stormcast Wednesday, September 2nd, 2026: Guildma Update; Proxmox 7 Auth Bypass; Windows Hotpatch; Virtualizor BGP Hack

from SANS Stormcast: Daily Cyber Security News · host Johannes Ullrich

Guildma (Astaroth) malware infection from Brazilian Portuguese emailhttps://isc.sans.edu/diary/Guildma%20%28Astaroth%29%20malware%20infection%20from%20Brazilian%20Portuguese%20email/33300 Authentication bypass in EOL Proxmox VE 7 release https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-4#post-867929https://gist.github.com/nebusecurity/65fe90dd673d395b7926278d7eaf5849 Updated Windows Server hotpatch calendarhttps://learn.microsoft.com/en-us/windows/release-health/windows-server-release-info#windows-server-hotpatch-calendar Virtualizor BGP Hijackinghttps://www.virtualizor.com/blog/security-incident-bgp-hijacking/ My Upcoming Classeshttps://www.sans.org/profiles/dr-johannes-ullrich

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SANS Stormcast Wednesday, September 2nd, 2026: Guildma Update; Proxmox 7 Auth Bypass; Windows Hotpatch; Virtualizor BGP Hack

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