Going Electric – Solar 1 Year Later

In March of 2023, I had an 8kw solar array installed and I was finally permitted to turn it on starting April 21, 2023. My pessimistic/optimistic assumption that my buying an expensive solar array was going to be the trigger for technological breakthroughs in solar technology that rendered my panels obsolete wasn’t entirely unfounded. SureContinue reading “Going Electric – Solar 1 Year Later”

Browser Security Bugs that Aren’t: JavaScript in PDF

A fairly common security bug report is of the form: “I can put JavaScript inside a PDF file and it runs!” For example, open this PDF file with Chrome, and you can see the alert(1) message displayed: Support for JavaScript within PDFs is by-design and expected by the developers of PDF rendering software, including commonContinue reading “Browser Security Bugs that Aren’t: JavaScript in PDF”

Attacker Techniques: Gesture Jacking

A few years back, I wrote a short explainer about User Gestures, a web platform concept whereby certain sensitive operations (e.g. opening a popup window) will first attempt to confirm whether the user intentionally requested the action. As noted in that post, gestures are a weak primitive — while checking whether the user clicked orContinue reading “Attacker Techniques: Gesture Jacking”