The app has evolved from text messages to calls, group chats, and payments. That’s why protecting your account has become a priority.

The platform applies end-to-end encryption, which ensures that only you and the recipient can view messages, photos, and videos. Even so, it’s important to take additional steps to protect your conversations and data.

This guide offers practical, easy-to-follow tips. You’ll learn how to enable two-step verification, use biometrics, and lock the app. You’ll also learn how to review connected devices and spot scams that try to steal your codes.

At the end, there’s a checklist of immediate steps you can take to protect your privacy and profile content. Follow these steps to keep your accounts more secure on a daily basis.

Key findings

• Enable two-step verification and biometrics whenever possible.
• Check connected devices and log out of any unknown sessions.
• Be wary of messages asking for codes or personal information.
• Secure payments with a PIN or biometrics.
• Use a screen lock and update the app regularly.

Why Talk About WhatsApp Security Today

With billions of users, protecting conversations has become a central concern. The technology behind the messaging app ensures that only the sender and recipient can read the content as it travels across the network.

End-to-end encryption: what it protects and what it doesn't

End-to-end encryption secures messages, photos, videos, and calls in transit. This means that attackers cannot intercept the content as it travels between devices.

On the other hand, this feature does not prevent social engineering scams. Criminals still try to obtain the six-digit code via SMS to verify access on another device.

That’s why you need extra layers of security: a PIN, biometrics, and regular checks of connected devices. It’s also a good idea to keep your email address and phone number up to date to reduce risks associated with active sessions.

Enable two-step verification (PIN) in Settings

Set up a PIN to add an extra layer of security to your account. This helps protect your conversations and prevents anyone from accessing your account using only the SMS code.

How to enable your PIN and choose a secure recovery email address

Patch me up Settings > Account > Two-step verification and enable the option. Create a six-digit PIN that isn't a date or an obvious sequence.

Sign up for a email recovery PIN on a device other than your main device. That way, if you lose your phone, you can safely reset the PIN if you forget it.

Best practices: Don't click on redirect links you didn't request

If you receive an unsolicited password reset email, ignore it and do not click the link. Scammers use this tactic to verify your credentials and attempt to hack your account.

Never share the six-digit code you receive via text message. Enable periodic PIN reminders if available, and make sure the associated phone number is up to date before switching devices.

Use biometrics and screen locks to prevent unauthorized access

Enabling biometrics in the app is one of the most practical measures to protect your conversations and access to the device. This requires that every time you unlock it, you provide your face, fingerprint, or phone password.

iPhone: patch me WhatsApp > Settings > Account > Privacy > Screen Lock and enable Face ID or Touch ID. Select “Always” to require facial recognition every time.

Android: em Settings > Account > Privacy Enable fingerprint lock, if available. This feature requires biometric authentication before opening the app.

WhatsApp Web: When you set up biometric authentication on your phone, new logins on your computer will require local verification. This makes it harder for third parties to access your account without you being present.

Use this feature in conjunction with two-step verification to enhance privacy. Adjust your notification settings to hide sensitive content on the locked screen, and review this feature after system updates.

Manage frequently connected devices

Checking your connected devices regularly helps prevent unauthorized access to your account. Open the menu at Settings > Devices ou Connected devices to view active sessions.

Where to view “Connected devices” and when to disconnect them

Tap each session to check the name of the computer, browser, or device. If you don't recognize it, use the option Disconnect immediately.

Log out of devices used on public or shared computers. Forgotten sessions allow third parties to read your messages.

Enable screen lock and biometric authentication on your phone; this requires confirmation when linking the app to the web version. If you suspect any issues, select the option to log out of all accounts and change your PIN.

Reset your settings whenever you switch computers or browsers. Make sure the "Verify new logins" feature is enabled to enhance your privacy.

Recognize and avoid common scams on WhatsApp

Scams spread quickly and require extra care when verifying messages and requests.

Social engineering and the six-digit code: never share it

Scammers pose as companies or customer service representatives to ask you to read the code you received via text message.

Do not share this code: it allows your account to be cloned on another device.

Signs of phishing in suspicious messages and links

Be wary of shortened links, spelling mistakes, and offers that are “too good to be true.”

Please confirm any sensitive requests by contacting us through another channel before clicking or submitting any data.

What to do if your account is hacked

Recover your access using your official number and enable two-step verification.

Log out of any unknown sessions, notify your contacts, and report the fraudulent account.

Keep the app up to date and educate your family members to reduce future attempts.

Additional features that enhance WhatsApp security

Access keys and password managers

Create access keys in Account > Access keys and save them in the device's password manager. This reduces reliance on SMS and makes secure logins easier.

Use a trusted app to store your PINs and passwords. Avoid reusing credentials across accounts and apps.

Keep your email address and phone number up to date

Keep the email and the correct number in your account settings. This makes recovery faster and identity verification easier.

Check this information whenever you switch devices or phones. Keeping your information up to date helps prevent problems when going through the recovery process.

App updates and anti-fraud measures

Update the app frequently to receive new anti-fraud features. Recent versions include monitoring of suspicious activity and biometric verification for web logins.

Turn on security notifications and review the permissions of connected apps. This helps ensure the ongoing security of your accounts.

Best practice: Enable two-step verification and double-check your settings. Perform regular checks and make simple adjustments to keep everything in order.

Protect data and payments within the app

Secure in-app transactions before authorizing any money transfers. Enable PIN and biometric authentication so that only you, via your phone's recognition feature, can confirm payments.

PIN and biometrics to authorize transactions

Requiring a PIN or facial recognition reduces the risk of misuse. Set a strong password and combine it with fingerprint or facial recognition whenever available on the device.

Anti-fraud monitoring technology and payment method verification

The app uses anti-fraud layers that monitor patterns and flag unusual activity. Even so, always complete the payment method verification when adding a card.

Practical tips: Avoid authorizing payments on third-party devices, check your transaction history frequently, and use trusted networks when making transactions. Do not share any codes or passwords related to your transactions.

Next steps to ensure safer use of WhatsApp

Start today by making a few quick adjustments to the settings that protect your account and messages.

Create a checklist: enable two-step verification with a recovery email, choose a strong password, and save the code in case you forget it. Enable biometric lock on the app to protect your conversations on shared devices.

Check connected devices and disconnect unknown sessions. Update the app and remove apps that request unnecessary permissions.

Verify transfers and links through another channel before taking any action, and share these tips with your contacts to reduce scams in your network.

By following these steps, you can enhance the security of your WhatsApp and learn how to protect it in a practical and consistent way.