Der Spiegel: The NSA intercepts and plants its spyware on computer equipment as it is being shipped. The NSA also loves to exploit security holes in Internet Explorer in the same manner as cyber criminals do. The power-mad snoops at the NSA and Tailored Access Operations (TAO) hacks are spying on everyone and can exploit nearly every major software, hardware and firmware that exists. They used to use spam, but now the NSA prefers to crack email and other accounts with its secret service called Quantum Theory.”]
Source: https://www.csoonline.com/article/2226073/nsa-exploits-targeting-windows.html