Rule 6 · Action: Block · Trigger: Content pasted · Conditions: source is Incognito OR Clipboard (other app) OR Other profile

Paste source control

“Block external data”: pasting is blocked based on where the clipboard content came from, regardless of what it contains. Expected message: “You can not paste data in Chrome from external applications, incognito windows or other profiles!”

Paste targetBlock expected
Execute
  1. Other application: copy any text in Notepad/TextEdit, paste above → blocked.
  2. Incognito: copy text from a page in an incognito window, paste above → blocked.
  3. Other profile: copy text in a second (unmanaged) Chrome profile, paste above → blocked.
  4. Control: copy text from this very page in the same managed profile, paste above → allowed.
Pass criteria
  1. All three external sources are blocked with the custom message.
  2. Same-profile copy/paste succeeds — the rule keys on source context, not content.
  3. Each block writes an event to Chrome log events.