Upwards of 1.2 million people have used pirate sites to download Brad Pitt’s World War II drama Fury, scheduled for release Dec. 25, according to Variety.That was one of five films hackers leaked onto the Web following an attack on Sony Pictures’ network last week.The others are Annie, Still Alice, Mr. Turner and To Write Love on Her Arms.Sony has called in the FBI and other law enforcement agencies.Coincidentally — or perhaps not — the FBI on Monday warned U.S. businesses that hackers recently penetrated several companies’ networks with a particularly damaging form of malware, according to a Reuters report.Sony apparently was neither identified nor excluded as one of the businesses victimized by the malware, but speculation is rife that the hack attack on the company and the FBI’s warning are linked.Among other capabilities, the malware can override hard drives, shutting down and permanently disabling computers and rendering files inaccessible, the FBI reportedly said in its alert. It’s also rumored that the hack was launched by North Korea, which has been outraged by a forthcoming Sony Pictures comedy, The Interview, depicting the CIA arranging the assassination of North Korean dictator Kim Jong-un by two bumbling celebrity journalists.However, that too is…