iPhone security is an ongoing concern, and Apple continues to double down on protecting its users' personal data. Devices such as the GreyKey have prompted calls for iOS device owners to protect their iPhone passcode. Now thanks to the release of iOS 11.4.1, there's a fresh defense against intrusion known as USB Restricted Mode.

It doesn't matter if you're an Uber veteran or someone using it for the first time, the reality is you're getting in a car with a stranger -- something we've all learned not to do from an early age. This doesn't mean Uber isn't safe, it just means like in any situation you should be aware of your surroundings. The Uber app has a few built-in features to help ensure its riders make it home safely, but first lets look at a few other reasons Uber is a great option when you need a ride

While most of the attention lately has focused on the iOS 12 beta releases, Apple has rolled out the latest version of iOS 11. The software update, iOS 11.4.1, is available for the iPhone, iPad, Apple TV and HomePod. Apple Watch owners can also update their devices now, by installing watchOS 4.3.2.

Grouping your contacts makes navigating them on iPhone much easier and allows you to message and email a multitude of contacts at once by allowing you to simply use the name of the group rather than typing in each individual every time. Unfortunately there is no way to do this on the iPhone itself without a third-party app. Apple prefers you to use iCloud to make contact groups which, once you created, will sync across all of your devices. Here's how to make a contact group with iCloud:

One of the more useful built-in features of iOS is the dictionary. Looking up words on the iPhone is easy with a long press or by using 3D Touch. Since the launch of iOS 12, Apple has added a new feature to the built-in dictionary. Users can quickly access a thesaurus as well. This makes it possible to find similar words or synonyms that are related to the target word.