Last week, hackers of Rex Mundi, a group thats known for stealing data from various companies and blackmailing them, announced breaching the systems of Belgian hosting firm Alfa Hosting (AlfaNet bvba). On Friday evening, the extortionists published the names of 12,000 of the companys customers. AlfaNet representatives havent answered our emails and they havent made any public statements regarding the incident. According to a message published by the hackers o…