Attack Techniques: Steganography

Attackers are incentivized to cloak their attacks to avoid detection, keep attack chains alive longer, and make investigations more complicated. One type of cloaking involves steganography, whereby an attacker embeds hidden data inside an otherwise innocuous file. For instance, an attacker might embed their malicious code inside an image file, not in an attempt toContinue reading “Attack Techniques: Steganography”

Troubleshooting Edge (or Chrome) Broken UI

Last time, we looked at how to troubleshoot browser crashes. However, not all browser problems result in the tab or browser crashing entirely. In some cases, the problem is that some part of the browser UI doesn’t render correctly. This most commonly occurs with parts of the UI that are written in HTML and JavaScript. InContinue reading “Troubleshooting Edge (or Chrome) Broken UI”

Troubleshooting Edge (or Chrome) Browser Crashes

In the modern browser world, there are two types of crashes: browser crashes and renderer crashes. In a browser crash, the entire browser window with all of its tabs simply vanishes, either on startup, or at some point afterward. The next time the browser starts, it should recognize that the last time it exited wasContinue reading “Troubleshooting Edge (or Chrome) Browser Crashes”

Protecting Auth Tokens

Authenticating to websites in browsers is complicated. There are numerous different approaches: Each of these authentication mechanisms has different user-experience effects and security properties. Sometimes, multiple systems are used at once, with, for example, a Web Forms login being bolstered by multifactor authentication. In most cases, however, Authentication mechanisms are only used to verify theContinue reading “Protecting Auth Tokens”