Yijun Yu

Yijun Yu is a Senior Lecturer in the Department of Computing and Communications at The Open University. He is a member of the IEEE Computer Society and the British Computer Society. His research has focused on software systems: changes at development time; changes at runtime; changes among viewpoints; changes to stakeholders; changes to the attack/defense; changes to the interests disclosure; and the bidirectional synchronizations of various kinds of changes. He is currently working on a European Union project, SecureChange, analyzing security requirements for air traffic control.

Germanwings Flight 4U9525: Deadlock Between Safety and Security

As the Germanwings tragedy shows, the aims of safety and security are not always on the same team. It seems incredible that a pilot of a passenger aircraft could be locked out of the cockpit. But analysis from the cockpit voice recorder recovered from Germanwings Flight 4U9525, which ploughed into the Southern Alps in France on March 24, has revealed that this is what happened, and that one... Continue Reading

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