
Hosted by Johannes B. Ullrich · EN

SANS Stormcast Wednesday, March 4th, 2026: CrushFTP Brute Force; Android Patches 0-Day; 0Auth Phishing Abuse Bruteforce Scans for CrushFTP https://isc.sans.edu/diary/Bruteforce%20Scans%20for%20CrushFTP%20/32762 Android March 2026 Patches, including 0-Day (CVE-2026-21385) https://source.android.com/docs/security/bulletin/2026/2026-03-01 OAuth redirection abuse enables phishing and malware delivery https://www.microsoft.com/en-us/security/blog/2026/03/02/oauth-redirection-abuse-enables-phishing-malware-delivery/ keywords: crushftp; android; oauth; phishing; brute force

SANS Stormcast Tuesday, March 3rd, 2026: Finding URLs in ZIPs in RTFs; Merkle Tree Certificates; Taming Agentic Browsers Quick Howto: ZIP Files Inside RTF https://isc.sans.edu/diary/Quick+Howto+ZIP+Files+Inside+RTF/32696/#comments Keeping the Internet fast and secure: introducing Merkle Tree Certificates https://blog.cloudflare.com/bootstrap-mtc/ Taming Agentic Browsers: Vulnerability in Chrome Allowed Extensions to Hijack New Gemini Panel https://unit42.paloaltonetworks.com/gemini-live-in-chrome-hijacking/ keywords: agentic; gemini; browsers; chrome; certificate; webpki; zip; rtf;

SANS Stormcast Monday, March 2nd, 2026: Reversing Fake Fedex; Abusing .ARPA; MSFT Authenticator Update; Apex One Vuln; Special AirSnitch Webcast Fake Fedex Email Delivers Donuts! https://isc.sans.edu/diary/Fake%20Fedex%20Email%20Delivers%20Donuts!/32754 Abusing .ARPA: The TLD that isn't supposed to host anything https://www.infoblox.com/blog/threat-intelligence/abusing-arpa-the-tld-that-isnt-supposed-to-host-anything/ MC1179154 - Microsoft Authenticator app: Upcoming changes to jailbreak and root detection https://mc.merill.net/message/MC1179154 SECURITY BULLETIN: Apex One and Apex One (Mac) - February 2026 https://success.trendmicro.com/en-US/solution/KA-0022458 Special Webcast: AirSnitch – How Worried Should You Be? https://www.sans.org/webcasts/airsnitch-how-worried-should-you-be keywords: fedex; apex; one; airsnitch; webcast; authenticator; microsoft; arpa; tld; phishing

SANS Stormcast Friday, February 27th, 2026: Finding Singal (@sans_edu intern); Google API Keys and Gemini; AirSnitch Breaking Client Isolation Finding Signal in the Noise: Lessons Learned Running a Honeypot with AI Assistance [Guest Diary] https://isc.sans.edu/diary/Finding%20Signal%20in%20the%20Noise%3A%20Lessons%20Learned%20Running%20a%20Honeypot%20with%20AI%20Assistance%20%5BGuest%20Diary%5D/32744 Google API Keys Weren't Secrets. But then Gemini Changed the Rules. https://trufflesecurity.com/blog/google-api-keys-werent-secrets-but-then-gemini-changed-the-rules AirSnitch: Demystifying and Breaking Client Isolation in Wi-Fi Networks https://www.ndss-symposium.org/ndss-paper/airsnitch-demystifying-and-breaking-client-isolation-in-wi-fi-networks/ keywords: airsnitch; wifi; api; google; maps; gemini; noise; honeypot; sans.edu

SANS Stormcast Thursday, February 26th, 2026: CLAIR Model; Cisco SD-WAN 0-Day; Cortex XDR Abuse; OpenSSL Vuln; The CLAIR Model: A Synthesized Conceptual Framework for Mapping Critical Infrastructure Interdependencies [Guest Diary] https://isc.sans.edu/diary/The+CLAIR+Model+A+Synthesized+Conceptual+Framework+for+Mapping+Critical+Infrastructure+Interdependencies+Guest+Diary/32748 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability CVE-2026-20127 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk https://blog.talosintelligence.com/uat-8616-sd-wan/ Abusing Cortex XDR Live https://labs.infoguard.ch/posts/abusing_cortex_xdr_live_response_as_c2/ OpenSSL Vulnerability CVE-2025-15467 https://seclists.org/oss-sec/2026/q1/220 keywords: openssl; cortex; xdr; cisco; catalyst; sd-wan; clair; ics

SANS Stormcast Wednesday, February 25th, 2026: Open Redirects; setHTML in Firefox; telnetd issues Open Redirects: A Forgotten Vulnerability? https://isc.sans.edu/diary/Open%20Redirects%3A%20A%20Forgotten%20Vulnerability%3F/32742 Goodbye innerHTML, Hello setHTML: Stronger XSS Protection in Firefox 148 https://hacks.mozilla.org/2026/02/goodbye-innerhtml-hello-sethtml-stronger-xss-protection-in-firefox-148/ More telnetd issues https://seclists.org/oss-sec/2026/q1/199 keywords: redirects; innerhtml; telnet; sethtml; xss;

SANS Stormcast Tuesday, February 24th, 2026: Malicious JPEG Analysis; Calibre Vuln; jsPDF object injection; Roundcube Exploited Another day, another malicious JPEG https://isc.sans.edu/diary/Another%20day%2C%20another%20malicious%20JPEG/32738 Calibre Path Traversal Leading to Arbitrary File Write and Potentially Code Execution CVE-2026-26064 CVE-2026-26065 https://github.com/kovidgoyal/calibre/security/advisories/GHSA-72ch-3hqc-pgmp https://github.com/kovidgoyal/calibre/security/advisories/GHSA-vmfh-7mr7-pp2w CVE-2026-25755: PDF Object Injection in jsPDF (addJS Method) https://github.com/ZeroXJacks/CVEs/blob/main/2026/CVE-2026-25755.md Roundcube Webmail Exploited CVE-2025-49113 https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10 https://www.openwall.com/lists/oss-security/2025/06/02/3 keywords: roundcube; webmail; jspdf; calibre; jpeg

SANS Stormcast Monday, February 23rd, 2026: Japanese Phishing; AI Agents Ignoring Instructions; Starkiller MFA Phishing Japanese-Language Phishing Emails https://isc.sans.edu/diary/Japanese-Language%20Phishing%20Emails/32734 'God-Like' Attack Machines: AI Agents Ignore Security Policies https://www.darkreading.com/application-security/ai-agents-ignore-security-policies Starkiller: New Phishing Framework Proxies Real Login Pages to Bypass MFA https://abnormal.ai/blog/starkiller-phishing-kit keywords: starkiller; phishing; mfa; mitm; japanese; ai; agents; security

SANS Stormcast Friday, February 20th, 2026: DynoWiper Analysis; Vibe Passwords; IDE Extension Vulns; Gransstream GXP 1600 Vuln and PoC Under the Hood of DynoWiper https://isc.sans.edu/diary/Under%20the%20Hood%20of%20DynoWiper/32730 Vibe Password Generation: Predictable by Design https://www.irregular.com/publications/vibe-password-generation Vulnerabilities (CVE-2025-65715, CVE-2025-65716, CVE-2025-65717) in four popular IDE Extensions https://www.ox.security/blog/four-vulnerabilities-expose-a-massive-security-blind-spot-in-ide-extensions/ Grandstream GXP1600 VoIP Phones https://www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixed/ keywords: grandstream; gxp1600; vibe; password; vs code; extensions; dynowiper;

SANS Stormcast Thursday, February 19th, 2026: Malware Image Resuse; Dell RecoveryPoint; Admin Center Vuln; DNS-PERSIST-01 Tracking Malware Campaigns With Reused Material https://isc.sans.edu/diary/Tracking%20Malware%20Campaigns%20With%20Reused%20Material/32726 From BRICKSTORM to GRIMBOLT: UNC6201 Exploiting a Dell RecoverPoint for Virtual Machines Zero-Day https://cloud.google.com/blog/topics/threat-intelligence/unc6201-exploiting-dell-recoverpoint-zero-day Windows Admin Center Elevation of Privilege Vulnerability CVE-2026-26119 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26119 DNS-PERSIST-01: A New Model for DNS-based Challenge Validation https://letsencrypt.org/2026/02/18/dns-persist-01.html Defending Web Apps https://www.sans.org/cyber-security-courses/application-security-securing-web-apps-api-microservices keywords: windows; admin center; dns-persist-01, brickstorm; grimpbolt; dell; recoverypoint; malware;