Apple has released iOS 4.1, an updated version of its mobile operating system for the iPhone and iPod Touch. New features include better photos via HDR (High Dynamic Resolution) Game Center, and the ability to upload high definition video to the likes of YouTube via WiFi. The new version of the operating system also includes a number of critical security updates. These include flaws that could allow hackers to run malicious code on your device by sending a maliciously-crafted GIF or TIFF image file, or visiting a boobytrapped website.”]
Source: https://grahamcluley.com/ios-41-critical-security-update-iphone-ipod-touch-users/