While the first beam of protons made their way around the Large Hadron Collider on Wednesday, a team of Greek hackers set out to prove a point: 

Now it has emerged that, as the first particles were circulating in the machine near Geneva, a Greek group had hacked into the facility and displayed a page with the headline “GST: Greek Security Team.”
The people responsible signed off: “We are 2600 – dont mess with us. (sic)”
The website – cmsmon.cern.ch – can no longer be accessed by the public as a result of …