Control access to information on the iPad Lock Screen
You can easily access a few commonly used features (such as widgets, media playback controls, and Control Center) from the Lock Screen. You can control access to these items when iPad is locked. (For security, USB connections aren’t allowed when iPad is locked.)
If you turn off Lock Screen access to a feature, you prevent someone who has your iPad from viewing any personal information that it might contain (such as an upcoming event in the Calendar widget). However, you also lose quick access to the information yourself.

Go to Settings
, then depending on your model, tap one of the following:
Face ID & Passcode
Touch ID & Passcode
Passcode
Select your options.
You can turn access on or off to the following features while iPad is locked:
Widgets (see Add, edit, and remove widgets on iPad)
Recent notifications (see View and respond to notifications on iPad)
Control Center (see Use and customize Control Center on iPad)
Siri (see Use Siri on iPad)
Home Control (see Intro to Home on iPad)
Returning Missed Calls (see Make FaceTime calls on iPad)
Connecting to a Mac, a Windows PC, or an accessory with USB (such as when you connect iPad to your computer using USB)
Important: If you change the default setting and allow USB connections when iPad is locked, you disable an important security feature of your iPad.