Hackers seized control of the personal blog of Mark Karpeles, CEO of Mt. Gox Bitcoin exchange, on Sunday. They posted a message accusing him of stealing 100,000 bitcoins. The data in question referred to a dump — a.k.a. dox — in the form of a 716-MB zip file, which purportedly contains evidence of fraud. Other Bitcoin watchers say the leaked data, while likely legitimate, doesn’t prove anything about the site’s finances.”]
Source: https://www.darkreading.com/attacks-breaches/mt-gox-chief-stole-100-000-bitcoins-hackers-claim