How to Tell If Your WhatsApp Has Been Hacked and What to Do About It

Suddenly locked out of WhatsApp or seeing suspicious activity? There are clear signs that can confirm a hack, and immediate steps that can help recover the account.

Being locked out of WhatsApp is one of those situations that no one expects until it happens. The app suddenly logs out and the verification code does not work, or contacts start asking about strange messages sent from the account. These are strong indicators that the account has been compromised. Acting quickly is important to minimize the damage.

The most obvious sign that an account has been hacked is the inability to log back in. The phone number may still be the same, but the person who took control changed the registered number or completed verification on another device. Contacts might also report receiving unusual messages, often asking for money or containing suspicious links.

"WhatsApp hackers usually try to change the registered number immediately and send messages to contacts requesting money. Speed is the most important factor in recovering control of the account."

Immediate Steps to Recover the Account

The first thing to do is attempt to re register the phone number. Open WhatsApp and enter the phone number. Request a verification code through SMS or voice call. If the code is successfully entered, the hacker will be automatically logged out of the device they were using. This is often the quickest way to regain access.

If re registration fails because the number was already changed, use the "Email Support" option within WhatsApp. The support team can assist with account recovery. Providing as much detail as possible about the account and proof of ownership will help speed up the process.

Once access is regained, immediately enable two step verification. This feature requires a six digit PIN whenever the number is registered on a new device. Without this PIN, even a successful SMS verification will not allow a hacker to take over the account again.

📊 Fact: WhatsApp reported that account hacking cases increased by 30 percent throughout 2025. Most incidents started with phishing attempts or SIM swapping attacks.

Preventing Future Incidents

To reduce the risk of hacking, enable device notifications. WhatsApp sends alerts when the account is registered on a new device. Never share the six digit verification code with anyone, including friends or family. WhatsApp never asks for this code outside of the verification process.

Be cautious about links received through messages, even from known contacts. Hacked accounts are often used to spread phishing links. If something seems off, contact the sender through a voice call or in person to confirm.

Awareness remains the strongest protection. Knowing the signs of hacking and the steps to recover the account can make a real difference when something goes wrong.