Is your office secure? Detection of listening devices and hidden microphones.
- Detective Alexandre Ribeiro
- May 11
- 2 min read
Protect your company's intellectual property and trade secrets.
In today's business world, information is the most valuable asset. Industrial espionage is not a myth, but a reality, facilitated by modern technologies. Wi-Fi, GSM, or digital recording devices can be hidden in everyday objects such as extension cords, flowerpots, or smoke detectors.
At Private Detectives Portugal , we offer a Security Scanning Protocol (TSCM) designed to protect your communications.
Invisible threats, real solutions
A spy microphone can remain in standby mode for weeks and only activates when it detects sound. Visual inspection by a human is useless with devices of this class.
Our technical inspection report:
1. Digital Spectrum Analysis (RF)
We use state-of-the-art technology to analyze the entire radio frequency spectrum in your office spaces. We search for unauthorized signal transmissions.
GSM/4G/5G: Devices that transmit audio in real time anywhere in the world.
Wi-Fi and Bluetooth: Micro-transmitters that use the company's network to extract data.
Pulse transmitters: Devices that record information and "transmit" it within seconds to evade general detection.
2. Optical lens scanning (hidden cameras)
Using laser reflection technology, we can identify pinhole cameras even when they are switched off or hidden behind reflective surfaces.
3. Forensic thermographic examination
Every operating electronic device generates a heat signature. Using our thermal imaging cameras, we map walls, sockets, and furniture to detect "hotspots" that reveal hidden electronics in places where nothing should be.
Confidentiality guarantee
We understand that discretion is essential. Our interventions can be carried out as follows:
Outside of business hours (evenings or weekends).
Under absolute secrecy , without the need to notify the employees.
With a final technical report that lists in detail all analyzed points and identified weaknesses.
Professional advice: If you suspect a data breach, please do not use the office phone or your usual mobile phone for this service while you are on the premises . Contact us from a secure location.
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