A set of leaked documents that reached the web today reveal that the German authorities have advised the local government to avoid using Windows 8, as the operating system contains backdoors that would allow Microsoft and the United States National Security Agency (NSA) to access all computers running it.
TPM 2.0 was officially launched in 2011 and cannot be disabled, as it’s automatically started whenever the user starts booting Windows 8 on both desktop computers and tablets.
Source