SANS Stormcast Tuesday, November 25th, 2025: URL Mapping and Authentication; SHA1-Hulud; Hacklore Conflicts between URL mapping and URL based access control. Mapping different URLs to the same script, and relying on URL based authentication at the same time, may lead to dangerous authentication and access control gaps. https://isc.sans.edu/diary/Conflicts%20between%20URL%20mapping%20and%20URL%20based%20access%20control./32518 Sha1-Hulud, The Second Coming A new, destructive variant of the Shai-Hulud worm is currently spreading through NPM/Github repos. https://www.koi.ai/incident/live-updates-sha1-hulud-the-second-coming-hundred-npm-packages-compromised Hacklore: Cleaning up Outdated Security Advice A new website, hacklore.org, has published an open letter from former CISOs and other security leaders aimed at addressing some outdated security advice that is often repeated. https://www.hacklore.org keywords: hacklore; sha1-hulud; npm; url; mapping; access control; authentication;
