Spying on Americans before 9/11: NSA Built Back Door In All Windows Software by 1999

"In researching the stunning pervasiveness of spying by the government (it’s much more wide spread than you’ve heard even now), we ran across the fact that the FBI wants software programmers to install a backdoor in all software. Digging a little further, we found a 1999 article by leading European computer publication Heise which noted that the NSA had already built a backdoor into all Windows software"