The methods of cyber espionage are innumerable, the use of malware and hacking for infiltrating enemy networks are undoubtedly the most successful techniques. Japan, US and European countries are preferred target of many nations, China first, but also Russia, Iran and North Korea. The threat is not related to every foreign company but its specific for those businesses that are government-owned like some Chinese mobile phone giants. The risks is concrete, in many occasion has been discussed about the continuous attacks of Chinese stated sponsor hackers against American networks.”]