An eavesdropper with fake certificates and access to a target’s net connection can quietly negotiate a “man-in-the-middle” attack, observing and recording all encrypted web traffic while the user is clueless that it’s happening. Packet Forensics offers a 4-series device that is a 4 square inch “turnkey intercept solution” surveillance product, using. man-in the-middle to intercept. traffic. The product is marketed and sold to law enforcement and intelligence agencies in the US and foreign countries.”]
Source: https://www.csoonline.com/article/2231412/certified-lies–big-brother-in-your-browser.html