I am a Professor in the Information Security Group, with broad interests in cryptography and information security. I am particularly interested in problems relating to key management, especially in distributed environments. I am also interested in combinatorial cryptography and cryptographic applications.
From 2010-2015 I was Director of the Information Security Group. I was previously Director of Graduate Studies and played a major role in the development of the MSc Information Security by distance learning.
Happy 10th birthday iPhone, the nearest thing to a secure pocket computer
Jun 29, 2017 02:48 am UTC| Insights & Views Technology
Its common for security experts to regard themselves as necessary critics, guardians against malpractice, and raisers of worst-case scenarios. While there is a very present fear of insecurity these days, its rare that we...
Does the UK need or even want a 'Great British Firewall'?
Sep 20, 2016 11:58 am UTC| Insights & Views Politics
Youve probably heard of the Great Firewall of China, the virtual fortification that allows the Chinese government to monitor and restrict internet traffic to and from the worlds most populous nation. Well, the...
Will superfast 'quantum' computers mean the end of unbreakable encryption?
Aug 27, 2016 12:57 pm UTC| Science Technology
There is a computing revolution coming, although nobody knows exactly when. What are known as quantum computers will be substantially more powerful than the devices we use today, capable of performing many types of...
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