Hacked phone
There was an ad that I mistakenly Pressed and now My calendar said that I have been hacked. What should I do.
Question marked as
If running iOS 13 or earlier versions, check: Settings - Passwords & Accounts - Accounts - Any rogue entries here? If so, delete the rogue account.
If running iOS 14, check: Settings - Calendar - Accounts - Any rogue entries here? If so, delete the rogue account.
The Apple support article is below.