Anyone using the Windows 10 preview has had a chance to use the HTTP Strict Transport Security (HSTS) in Microsoft Edge, and today the security feature comes to Internet Explorer 11 in Windows 7 and Windows 8.1. This security protocol protects against man-in-the-middle attacks and is being delivered to users of older version of Windows through an update in the form of KB 3058515.

http://tech.slashdot.org/story/15/06...ndows-7-and-81