OSINT, digital footprint and how to reduce it? | Internet security (English subtitles)

Spies no longer need to break into a secret bunker at night to steal important schemes for making nuclear weapons or recipes for Kyiv pierogi. A modern spy is more like a programmer who digs into people's digital footprints from morning to night. You may have heard that a digital fingerprint is used for surveillance, for commercial purposes, for collecting statistics, and in espionage. So, it's time to find out what it really is.