Secure Your Aadhaar: How to Lock Biometric Data to Prevent Misuse

In today’s digital landscape, the Aadhaar Card has become an indispensable document for various transactions, from obtaining a mobile SIM to opening a bank account.

However, with critical personal information such as name, address, date of birth, fingerprints, and photograph embedded in Aadhaar cards, there’s a growing concern about data privacy and security.

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Here’s how you can safeguard your personal information by locking your Aadhaar biometric data, thereby minimizing the risk of misuse.

Purpose of Biometric Locking

By opting for Biometric Lock-Unlock, you fortify the privacy of sensitive biometric data, including fingerprints and iris scans.

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Once your biometric data is locked, unauthorized entities are barred from utilizing your Aadhaar biometrics for authentication unless expressly unlocked by you.

How to Lock Biometric Data

  1. Visit UIDAI Official Website: Navigate to the official website of UIDAI and access the “My Aadhaar” section.
  2. Select Aadhaar Services: Under “Aadhaar Services,” choose the option to “Secure Your Biometrics.”
  3. Lock/Unlock Biometrics: Click on “Lock/Unlock Biometrics” and input your 12-digit unique Aadhaar number. Complete the captcha verification process.
  4. Authenticate with OTP: Upon submission, an OTP will be sent to the mobile number registered with Aadhaar. Enter the OTP to proceed with the login.
  5. Confirm Locking: After authentication, confirm your action by clicking on “Lock/Unlock Biometrics.” Your biometric details will be securely locked.

It’s important to note that whenever you need to utilize your Aadhaar biometrics in the future, you must unlock it separately for authentication purposes.

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Important Reminders for Downloading Aadhaar

To mitigate the risk of fraud, it’s essential to exercise caution while downloading your Aadhaar card, especially when using public computers or shared devices.

Here are some key guidelines:

Download on Personal Devices: Preferably download your Aadhaar card only on personal computers, laptops, or mobile devices.

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Official UIDAI Website: Always generate your Aadhaar card through the official UIDAI website to ensure authenticity and security.

Keep OTP Confidential: Refrain from sharing your Aadhaar OTP with anyone to prevent unauthorized access to your personal information.


By following these measures, you can bolster the security of your Aadhaar card and mitigate the risk of potential misuse or data breaches.

Stay vigilant and prioritize safeguarding your personal information in today’s digital age.



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