SANS Stormcast Friday, October 10th, 2025: RedTail Defenses; SonicWall Breach; Crowdstrike “Issues”; Ivanti 0-days; Mapping Agentic Attack Surface (@sans_edu paper)

Building Better Defenses: RedTail Observations Defending against attacks like RedTail is more then blocking IoCs, but instead one must focus on the techniques and tactics attackers use. https://isc.sans.edu/diary/Guest+Diary+Building+Better+Defenses+RedTail+Observations+from+a+Honeypot/32312 Sonicwall: It wasn t the user s fault Sonicwall admits to a breach resulting in the loss of user configurations stored in its cloud service https://www.sonicwall.com/support/knowledge-base/mysonicwall-cloud-backup-file-incident/250915160910330 Crowdstrike has Issues Crowdstrike fixes two vulnerabilities in the Windows version of its Falcon sensor. https://www.crowdstrike.com/en-us/security-advisories/issues-affecting-crowdstrike-falcon-sensor-for-windows/ Interrogators: Attack Surface Mapping in an Agentic World A SANS.edu master s degree student research paper by Michael Samson https://isc.sans.edu/researchpapers/pdfs/michael_samson.pdf keywords: ai; agentic; attack surface; crowdstrike; sonicwall; ivanti; zero day; initiative; redline