Cyber Security

How To Beat Biometric Hacking

Written by Amy Hitchmough
Biometric Eye Scan and Multi-factor authentication

Everyone from banks to mobile phone manufacturers have introduced biometric security. From fingerprint sensors to facial recognition software, biometrics are becoming part of everyday life, and we trust them more than memorable passwords. Despite this, they can be stolen or altered and sensors can be manipulated.  

If cyber-criminals successfully hack biometrics, they can easily gain access to the personal data hidden behind the fingerprint. 

What do businesses and consumers need to know about biometric security? Is it really the safest method? 

Biometric technology sounds like the perfect solution for weak, shared and re-used passwords. Fingerprints and faces are unique and 'unforgettable'. Additionally, each fingerprint is as complex as any other...there are no 'weak' fingerprints. They seem like the simplest and safest method of securing and accessing data. 

However, they may not be an airtight option. If your biometric data is compromised in a leak, it can't be easily changed like your passwords, and your biometric key could be obtained with a little bit of effort by someone close to you. 

But aren’t biometrics harder to crack than passwords?

Our partner WatchGuard weighed in

“A researcher fooled a fingerprint scanner with gummy bears in 2002, and a hobbyist hacking group defeated the iPhone’s TouchID in 2013. In 2017, a Vietnamese security group claims to have created a mask that can fool Apple’s FaceID. It’s only a matter of time before hackers perfect these methods and exploit the growing trend of biometrics as the sole form of authentication.”


If biometric data is kept in large databases by employers, then clever hackers will be searching for vulnerable treasure troves of identities, fingerprints and retina scans. 

One troubling trend is that biometrics are now being used as single factor authentication because they are so well-trusted. But if cyber-criminals successfully steal biometric data, they can easily gain access to the personal information hidden behind the fingerprint, without any other hurdles to jump over. As scanners' ability to detect falsified biometric data improves, attackers will also be hard at work creating better fakes. 

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We strongly believe that biometrics will be most effective when used in conjunction with a multi-factor authentication (MFA) strategy. 

So, what can you do to protect yourself and your network from biometric hacking? 

  • Until sensors and scanners are better able to detect abnormalities, biometrics should always be one component of a multi-factor authentication system. 
    • Why? Because the multiple steps in the process will complement each other well. Attackers are looking for the simplest ways to break and enter, so the additional layers of protection will deter them. 
  • Be sure to store all biometric data in secure and encrypted servers and cloud environments. Investigate the security features of your cloud provider's network
  • Be sure to treat biometric data the same way you would any other personally-identifiable information (PII) that your business controls. Stay in tune with legislative developments governing biometric data, which are sure to come in the near future. 

We proudly deploy technologies like WatchGuard’s ‘AuthPoint’ in the solutions we design. With cloud-based user authentication and identity storage, AuthPoint can help you to establish secure MFA for your IT infrastructure. As a bonus, it also integrates with more than 60 other cloud applications and VPNs. 

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