I keep getting hacking messages on my calendar event

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. 

https://support.apple.com/en-us/HT211076

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. 

https://support.apple.com/en-us/HT211076

Today I was stupid and I was a fan of sniper wolf and there was a fake one and they wanted to Add me in contact and she asked for my number but I did my email and I’m scared that I’m gonna get hacked

[Image Edited by Moderator to Remove Personal Information]

I am getting some events on my calendar about my phone is hacked and it also let’s my clan delay and some times my internet is not working properly