Tradecraft Improvised Proximity Alert Methods May 1, 2022 The set up + use of improvised proximity alert systems (to detect or deter intruders) with no special equipment, while occupying any given room. [ REDACTED ] You must be a member for access. Username: Password: Remember Me Register Lost your password? [OPTICS : UNDISCLOSED HOTEL] alarm systemguideshotel hackproximity alert methodssecurity Previous post Direct Social Engineering Tactics Next post Detecting Threats and Preemptively Engaging Attacks in The Streets Tradecraft Intel Using Spy Skills to Be a Better Entrepreneur July 9, 2023 Layered Verbal Encoding: Two-Tier Conversational Camouflage July 2, 2025 How to Develop Hunches Like a Covert Operative June 24, 2025