You can disable the ability to access to Siri from your lock screen by navigating to Settings >> Siri & Search. Tap the Allow Siri When Locked On/Off slider, under the Ask Siri section, to turn it off. This will stop anyone from accessing Siri while your phone is locked.
One of the more interesting revelations at CES 2019 is good news for Apple fans shopping for a new TV. Both Samsung and Vizio have announced plans to support AirPlay 2 on future Smart TV models. Apple has added details to its official AirPlay page, showing direct integration of AirPlay to upcoming TV sets.
HomePod owners already know that Siri can help with a variety of tasks. Asking Siri to deliver the weather forecast, play music, or answer iPhone calls is just the beginning. For anyone using Find My iPhone to track a lost or missing device, Siri on HomePod can help with that, too.
Sometimes Siri has a habit of butting into conversations, or in the recent case of the UK Defense Minister, interrupting speeches to Parliament. While Apple has been working to reduce the instances of Hey Siri being invoked by accident, there are times when iPhone owners want to make sure that Siri keeps quiet. Hey Siri can be incredibly helpful in a hands-free situation. There is, however, a simple way to disable Hey Siri when needed.