IE like Crypto AG:
In 2020, it was revealed that the Swiss company, Crypto AG, which provided secure communications services to ~120 governments throughout the 20th century, was secretly ran by the CIA and West German Intelligence. The CIA and later NSA were able to read encrypted communications for many countries such as Saudi Arabia, Iran, Italy, Indonesia, Iraq, Libya, Jordan and South Korea.
Often ignored, online games. Non of the VPN which logs the history, TOR also isn’t the panacea (network made by US secret service). Mandatory monitoring the traffic with Portmaster, PiHole or similar. FOSS from GitHub with a grain of salt. Good to have analytic tools in the bookmarks, eg Blacklight, Webbkoll, Exodus Privacy, Browserleaks, etc., preferable to use european alternatives. Using decentralized or /and selfhosted services. Common sense and always read TOS and PP before using the app or service.