SANS Stormcast Thursday, October 8th, 2026: Atlassian Vulnerabilities; ccTLD Compormise; Outlook blocking .msix

Scans for Atlassian vulnerablity (CVE-2026-21589)
https://isc.sans.edu/diary/Scans%20for%20Atlassian%20vulnerablity%20%28CVE-2026-21589%29/33406
.gh, .sl and .as ccTLD Compromise
https://blog.google/security/chromes-response-to-recent-cctld-registry-hijacks/
Cisco Nexus 3000 and 9000 Series Switches Remote Code Execution Vulnerabilities
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ngoam-rce-LWKQ4BU
Outlook Blocking MSIX Files
https://www.bleepingcomputer.com/news/microsoft/microsoft-outlook-to-block-msix-attachments-used-in-attacks/
My Upcoming Classes
https://www.sans.org/profiles/dr-johannes-ullrich