Is this Apple or iCloud security email real?

Reviewed answer

Check your Apple Account directly; a logo or familiar sender name is not proof.

Open your Apple Account settings or type account.apple.com yourself. Review devices, purchases, or the claimed account issue.
Do not use the message's links, phone number, or request for a password or verification code.
Forward suspicious Apple emails to reportphishing@apple.com. If you entered account details, change your password through Apple directly.

Get help if

Your account shows unfamiliar devices or purchases, or you disclosed a password, code, or card details.