Reminds me of this email from apple:

Dear Customer,
Your Apple ID (xxxxxxxxxxxxxx*yahoo.com) was used to sign in to iCloud via a web browser.
Date And Time : March 14, 09:20 +07 PM
Browser: Firefox
Operating System: Windows
If the information above looks familiar, you can disregard this email.
If you have not signed in to iCloud recently and believe someone may have accessed your account, go to Apple ID Login and change your password as soon as possible.

Apple Support

The link will lead you here:

Log in to my account

Check out the clickable items, they're unresponsive haha