The iOS was updated to version 4.3.5, this update addresses a new vulnerability in the levels of certificate validation. This update is for the iPhone 4, and iPad 3G and iPod Touch 3G and 4G.
So small update to IOS by Apple, but then again Apple fixes this vulnerability to security. Is Apple too is open to competitors such as BlackberryOf course, if your device is jailbroken, we do not recommend very strongly to the updated may no longer be able to jailbreak anytime soon, especially if you have an iPad 2.
An update routine then, but that proves that Apple Do not Mess with the safety and reliability of its systems. To download, simply connect your iPhone to your computer and iTunes should automatically offer you, otherwise click on "Update."
At the same time, to stay on the subject of security, we learned that Leo, the new system that equips the Mac, the system was the most reliable and safest in terms of safety.