For over two years, Google has introduced the ability to take a screenshot with the help of Google Assistant, by simply saying the command "Take a screenshot" after saying the hotword.
If you do not use this method regularly, preferring for example to use the keys or a gesture on your smartphone, you may not have discovered a rather bizarre behavior, which bypasses the protection system adopted by some applications.
Be it the screen with credit card information or a secret Telegram chat, some applications prevent you from taking a screenshot, "forcing" the user to take a picture of the screen, in case he wants to save or share some information.
All this can be circumvented in a very simple way using Google Assistant, which will capture the screenshot and ask you which application you want to share it with, in spite of the protection system present. It cannot be considered a security flaw but it is certainly at least bizarre behavior, implemented by Google that goes around its own protection system.