Tech Knock

Just last week, we told you how a single character “text bomb” was able to crash your iPhones, Macs, and other Apple devices. Acting well on its promise to release an update for this bug before the big iOS 11.3 release, the company has pushed updates for all its operating systems. Due to this bug, communication and web browsing apps were the most affected ones as people were deliberately sharing the text bomb with others. Now the update for all platforms is here and the users are advised to grab them at the earliest. As per  Apple’s support page , the latest versions of Apple operating systems which remain secure are — iOS 11.2.6 macOS 10.13.3 tvOS 11.2.5 watchOS 6.2.3 Apart from the Telugu language character issue, Apple also fixed another bug that caused the failure of third-party apps while connecting to external accessories. This release is expected to be followed by iOS 11.3, which will feature performance throttling controls. This update and bug...

If you own a Mac computer and run the latest version of Apple's operating system, macOS High Sierra, then you need to be extra careful with your computer. A serious, yet stupid vulnerability has been discovered in macOS High Sierra that allows untrusted users to quickly gain unfettered administrative (or root) control on your Mac without any password or security check, potentially leaving your data at risk. Discovered by developer  Lemi Orhan Ergin  on Tuesday, the vulnerability only requires anyone with physical access to the target macOS machine to enter "root" into the username field, leave the password blank, and hit the Enter a few times—and Voila! In simple words, the flaw allows an unauthorized user that gets physical access on a target computer to immediately gain the highest level of access to the computer, known as "root," without actually typing any password. Needless to say, this blindingly easy Mac exploit really scary stuff...