Monthly Archives: November 2011


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Of late there have been repeated calls on Twitter for biometric suppliers to publicly release statistics pertaining to the performance of their biometric algorithms, specifically False Accept Rates (FAR) and False Reject Rates (FRR). Whilst not a response to those calls, this post is in part motivated by them. Those repeatedly calling for the release of these figures know in advance that their calls will not be heeded. As they are already well-versed in the technology, they already understand the reasons why. Yet I believe they persist so they can cite the non-responsiveness of suppliers as “evidence” that the technology […]

On Biometric Suppliers Publishing Accuracy Figures


Pressure mounts on Theresa May, and Brodie Clark steps down, citing constructive dismissal. Clark states “Despite pressure to reduce queues, including from ministers, I can never be accused of compromising security for convenience.” Did Brodie Clark exceed his authority?, or is he being made as a scapegoat?, or is this simply a breakdown of internal communication, with both sides believing they are right? The story continues…

Is the Head of UK Border Force being made a ...


The news last week that Brodie Clarke and Graeme Kyle were suspended from the UK Borders Agency following claims that identity checks were relaxed during busy periods at Heathrow raises some interesting questions. Without passing any judgement, I understand in part both why there may have been pressure to do so,  and the government’s decision to undertake suspensions.  The latter is easier to address. Whatever concerns may have existed, freedom to exercise authority cannot fly in the face of direct ministerial guidance.   Having said that, I’m sure the reasons for doing so were well intentioned, and may have resulted […]

UK BA Suspensions