Please run Software Updates to install today's security software from Apple.
Recently investigators have found spyware can be installed on your device without your knowledge. Please update your devices, new information here.
Link: https://support.apple.com/en-us/HT201222
(last week's information here
https://tidbits.com/2021/09/13/macos-11-6-big-sur-ios-14-8-ipados-14-8-watchos-7-6-2-and-security-update-2021-005-catalina-fix-security-flaws/)