If you suspect your Apple ID has been hacked, check for signs such as unexpected password changes, unrecognized devices linked to your account, or unusual activity like purchases you didn't make. You may also receive emails from Apple about security changes you didn't authorize. To secure your account, visit iforgot.apple.com to reset your password immediately. This tool helps you regain control by sending a password reset link to your registered email or phone number. For added security, enable two-factor authentication in your Apple ID settings, which makes unauthorized access much harder.