Technical Surveillance Countermeasures (TSCM) Services
Lions 4 Security, Inc. (L4S) provides comprehensive Technical Surveillance Countermeasures (TSCM) services designed to identify, detect, and mitigate electronic surveillance threats across a wide range of environments. Our approach combines advanced technology with proven methodologies to safeguard privacy, sensitive information, and operational integrity.
L4S conducts thorough, multi-layered sweeps that include Level 3 ECM and Wi-Fi inspections, followed by Level 2 verification to ensure accuracy and completeness. These sweeps are tailored to cover all critical areas, including offices, residences, production spaces, vehicles, and other sensitive environments. Our team is trained to detect both legacy and emerging threats, including covert surveillance devices such as hidden microphones, cameras, GPS trackers, compromised hardware, and modified “bad” USB cables.
Our process utilizes a combination of visual and technical inspection techniques. This includes detailed physical examinations to identify signs of tampering or concealed devices, as well as advanced detection methods such as radio frequency (RF) spectrum analysis, non-linear junction detection (NLJD) for dormant electronics, and thermal imaging to locate active devices. We also conduct in-depth network, Wi-Fi, and Bluetooth analysis down to the packet level to identify unauthorized access points, rogue devices, or suspicious data transmission.
In addition to detection, L4S performs information security assessments to evaluate existing protocols and identify potential vulnerabilities. Each engagement concludes with a comprehensive written report outlining findings, actions taken, and recommended next steps to strengthen ongoing security.
TSCM services are ideal for individuals, families, executives, and organizations who have concerns about privacy, data security, or unauthorized surveillance. Whether addressing a specific concern or implementing proactive protective measures, L4S delivers discreet, professional, and highly effective solutions to ensure peace of mind and operational security.