The Line of Death

When building applications that display untrusted content, security designers have a major problem— if an attacker has full control of a block of pixels, he can make those pixels look like anything he wants, including the UI of the application itself. He can then induce the user to undertake an unsafe action, and a userContinue reading “The Line of Death”

Security UI in Chrome

The combined address box and search bar at the top of the Chrome window is called the omnibox. The icon and optional verbose state text adjacent to that icon are collectively known as the Security Chip: The security chip can render in a number of states, depending on the status of the page: Secure –Continue reading “Security UI in Chrome”

Do Not Lie to Users

Multiple people working on Outlook.com thought this was a reasonable design. After a user deletes an email, then manually goes into the Deleted Items folder, then clicks Delete again, then acknowledges that they wish to Permanently Delete the deleted item: … the item is still not deleted. You can “Recover deleted items” from your Deleted items folder:Continue reading “Do Not Lie to Users”