There is no computer security from agency`s, first logical reason is that we (europe, usa...) using product where agency's put backdoors and others options for screwing our privacy and protection.
Also forbid strong encryption to be use.
Bitcoin first look (NSA of course):
EQUATION GROUP aka NSA
NSA operation ORCHESTRA
NSA Considers Linux Journal Readers, Tor (And Linux?) Users "Extremists"
Intel x86 considered harmful
Secret code in color printers enables government tracking
512bit RSA for 75$
How many million BIOS would you like to infect?