SANS Stormcast Monday, December 1st, 2025: More ClickFix; Teams Guest Access; Geoserver XXE Vulnerablity

from SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast) · host Dr. Johannes B. Ullrich

Fake adult websites pop realistic Windows Update screen to deliver stealers via ClickFix The latest variant of ClickFix tricks users into copy/pasting commands by displaying a fake blue screen of death. https://www.acronis.com/en/tru/posts/fake-adult-websites-pop-realistic-windows-update-screen-to-deliver-stealers-via-clickfix/ B2B Guest Access Creates an Unprotected Attack Vector Users may be tricked into joining an external Teams workspace as a guest, bypassing protections typically enabled for Teams workspaces. https://www.ontinue.com/resource/blog-microsoft-chat-with-anyone-understanding-phishing-risk/ Geoserver XXE Vulnerability CVE-2025-58360 Geoserver patched an external XML entity (XXE) vulnerability. https://helixguard.ai/blog/CVE-2025-58360

What this episode covers

Daily 5 min cyber security news summary. News, patches, vulnerabilities and trends in information and network security. SANS Stormcast Monday, December 1st, 2025: More ClickFix; Teams Guest Access; Geoserver XXE Vulnerablity

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SANS Stormcast Monday, December 1st, 2025: More ClickFix; Teams Guest Access; Geoserver XXE Vulnerablity

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This episode is 5 minutes long.

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This episode was published on December 1, 2025.

What is this episode about?

Fake adult websites pop realistic Windows Update screen to deliver stealers via ClickFix The latest variant of ClickFix tricks users into copy/pasting commands by displaying a fake blue screen of...

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