KNOB-Attack, concept error in Bluetooth? – AirID is safe!

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AirID has an additional, highly secure AES256 encryption and is secure. 

AirID’s security is independent of Bluetooth standards – KNOB attack has no chance.


Düsseldorf, 21.08.2019, certgate, one of the leading specialists in mobile IT security and authentication, emphasizes that AirID is not affected by the KNOB attack. The Knob-Attack (Key Negotiation Of Bluetooth was presented by researchers from the Universities of Singapore, Oxford and the Helmholtz Centre for Information Security in Saarbrücken (CISPA) at the Security Conference Usenix in Santa Clara.  

AirID is secure because AirID uses Bluetooth Low Energy, which is not affected by Knob-Attack, and AIrID has an additional secure AES256 encryption which is completely independent from the Bluetooth standard implementation. Thus the security (encryption) of the AirID Bluetooth connection to the computer, smartphone or tablet is independent of the operating system and implementation of the devices. This AirID security and encryption has been tested by the German Federal Office for Information Technology (BSI) and approved for use in authorities for protected information (VS-NfD) in connection with the use of the mobile app SecurePIM.

certgate continuously invests in research and development of the AirID product family. The AirID readers all feature additional encryption and can even be equipped with additional functions and protection via software updates if required. 

Further information about the AirID product family and certgate is available here:



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