CERN, the international lab near Geneva, is home to the Large Hadron Collider, the world’s largest particle accelerator (photo by Claudia Marcelloni/CERN)

It takes 22 member states, more than 10,000 scientists and state-of-the-art technology for CERN to investigate the mysteries of the universe. But no matter how cutting-edge a system is, it can have vulnerabilities – and last year University of Toronto employees helped CERN find theirs.

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