SANS Stormcast Tuesday, June 16th, 2026: BASE64 Statistics; Cisco SD-WAN Exploited; AMD TSME Disabled; Poisoning Deep Research Agents

Evil MSI Background: BASE64 Statistical Analysis
https://isc.sans.edu/diary/Evil%20MSI%20Background%3A%20BASE64%20Statistical%20Analysis/33072
Cisco Catalyst SD-WAN Manager Arbitrary File Write Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfw-c2rZvQ
TSME/SME not activating on Ryzen 7 9700X
https://github.com/AMDESE/AMDSEV/issues/292
Deep-Research Agents Can Be Poisoned via User-Generated Content
https://arxiv.org/pdf/2605.24245
My Upcoming Classes
https://www.sans.org/profiles/dr-johannes-ullrich