What is email hijacking?
Email hijacking is a form of account takeover where an attacker gains access to your email account without permission. Once inside, they may read messages, reset passwords for other services, send phishing emails from your address, or use your identity to commit fraud.
Because email is connected to banking, social media, cloud storage, shopping accounts, and workplace systems, a compromised email account can lead to widespread damage.
How do hackers hijack email accounts?
- Phishing emails that trick you into entering credentials
- Password reuse from breached websites
- Malware or keyloggers
- Weak or guessable passwords
- Social engineering attacks
Many email hijacking incidents begin with a simple phishing email that looks legitimate but leads to a fake login page.
Warning signs your email has been hijacked
- Password suddenly no longer works
- Unrecognized login notifications
- Security settings changed
- Emails sent from your account that you did not send
- Password reset emails for accounts you didn’t request
What attackers do after hijacking email
Once inside, criminals may:
- Reset passwords for financial or shopping accounts
- Send scam emails to your contacts
- Search inbox for invoices or payment information
- Set up forwarding rules to monitor your communications
What to do if your email has been hijacked
- Immediately reset your email password.
- Enable multi-factor authentication (MFA).
- Check recovery email and phone settings.
- Review login history and remove unknown devices.
- Change passwords for linked financial accounts.
If your email is locked and you cannot regain access, contact your provider immediately and follow their account recovery process.
How to prevent email hijacking
- Use strong, unique passwords
- Enable multi-factor authentication
- Avoid clicking unknown links
- Monitor login alerts
- Use a password manager
Email hijacking can escalate quickly, but proactive security habits dramatically reduce risk. Education and verification are your strongest defense.