Attack Techniques: Phishing via Local Files

One attack technique I’ve seen in use recently involves enticing the victim to enter their password into a locally-downloaded HTML file. The attack begins by the victim receiving an email lure with a HTML file attachment (for me, often with the .shtml file extension): When the user opens the file, a HTML-based credential prompt isContinue reading “Attack Techniques: Phishing via Local Files”

Seamless Single Sign-On

There are many different authentication primitives built into browsers. The most common include Web Forms authentication, HTTP authentication, client certificate authentication, and the new WebAuthN standard. Numerous different authentication frameworks build atop these, and many enterprise websites support more than one scheme. Each of the underlying authentication primitives has different characteristics: client certificate authentication isContinue reading “Seamless Single Sign-On”