http://bkg5ofjslnbyqvu55sjonpdyp3wmfsgq23u7vpk3wxn7ewgdeocpgwid.onion?page=article&article=OpSec+and+Social+Media%3A+How+to+Avoid+Leaking+Personal+Information.html
OpSec (Operational Security) is the process of protecting critical information from being leaked or exploited by adversaries. The core idea behind OpSec is recognizing what information could be valuable to others (e.g., identity, location, habits) and taking steps to ensure it remains secure.