ABC Online | Hacker codenamed 'Alf' from Home and Away stole secret data on Joint Strike Fighter jets and surveillance planes ABC Online A mystery hacker who was given the alias of an Australian soap opera character has stolen sensitive information about Australia's warplanes and navy ships from a Defence subcontractor. Key points: Malicious actor infiltrated the system last July ... PM 'should demand answers' on defence info hack Don't blame government for lax security of defence contractors, says Christopher Pyne Federal Government unsure who hacked technical information about new fighter jets and navy vessels |