For busy web users, the humble Find-in-Page feature in the browser is one of the most important features available. While Google or Bing can get you to the page you’re looking for faster than ever before, once you get to that page, you’ve got to find the information you’re looking for1, and that’s where Find-in-PageContinue reading “Browser Features: Find in Page”
Category Archives: browsers
ERR_BLOCKED_BY_CLIENT and HTML5 Sandbox
Recently, many Microsoft employees taking training courses have reported problems accessing documents linked to in those courses in Chrome and Edge. In Edge, the screen looks like this: But the problem isn’t limited to Microsoft’s internal training platform, and can be easily reproduced in Chrome: What’s going on? There are a number of root causesContinue reading “ERR_BLOCKED_BY_CLIENT and HTML5 Sandbox”
Mouse Gestures in Edge
Over twenty years ago, the Opera browser got me hooked on mouse gestures, a way for you to perform common browser actions quickly. After I joined the IE team in 2004, I fell in love with a browser extension written by Ralph Hare and I later blogged about it on the IEBlog and helped RalphContinue reading “Mouse Gestures in Edge”
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”
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