Think you are being bugged or tracked? What a professional sweep involves

Short answer: a professional bug sweep, also called technical surveillance counter-measures or TSCM, combines a careful physical search with specialist equipment that detects transmitters, recorders, hidden cameras and GPS trackers. It covers the rooms, vehicles and devices you are worried about, and ends with a report of what was found, what was checked and what could not be ruled out.

Most people who ask for a sweep have noticed something specific. Confidential details from a meeting reach a competitor or a former partner. Someone seems to know where you have been. A phone behaves oddly, an account shows logins you did not make, or an unfamiliar object appears in a car, a plug socket or a smoke alarm. Any one of these can have an ordinary explanation. Several together are worth investigating.

Before anyone checks, change as little as possible. Do not search for a device or discuss the concern in the room or car you think is affected, and do not call about it from the phone you think is compromised. Use another phone or meet somewhere else. If you find something, photograph it where it is and leave it in place until you have taken advice: removing it alerts whoever installed it and can damage evidence the police or your lawyers may need.

A sweep of a home or office starts with a conversation about who might be interested in you, what information has leaked and when. That shapes where the team looks. The physical search covers furniture, fittings, power sockets, adaptors, lighting, ceiling voids and anything brought in recently. Radio-frequency equipment looks for devices that transmit, and other tools find electronics that are switched off or record locally. Meeting rooms are often checked before an important meeting and again afterwards.

Vehicles are a common concern in divorces, disputes and stalking cases. GPS trackers are small, often magnetic, and are usually hidden under bumpers, in wheel arches, under seats or plugged into the diagnostic port under the dashboard. A proper vehicle check includes a physical inspection and an electronic check while the car is running and stationary.

Phones and laptops need a different kind of examination. The risks are usually stalkerware or spyware, a shared or compromised cloud account, device-management profiles, location sharing that someone else switched on, and forwarding rules on email. A forensic check looks at installed software, configuration, account access and logs, and preserves anything relevant before changes are made.

Covert recording and tracking can be criminal. Intercepting communications without lawful authority is an offence under the Investigatory Powers Act 2016, installing spyware on someone else's device can breach the Computer Misuse Act 1990, and tracking or monitoring a person can form part of stalking under the Protection from Harassment Act 1997. Where personal safety is at risk, the police should be involved, and a documented sweep report can support that report.

What you should receive at the end is a written record: the areas and devices examined, the methods used, anything found with photographs and locations, the limits of the sweep and recommendations. A sweep that promises certainty is overstating what any team can deliver. A good one tells you what has been ruled out and what would need further work.

The first conversation with Neel Chakrabarti is free and confidential. Call from a phone you trust, describe what you have noticed, and we will advise whether a sweep is needed, what it should cover and what to do in the meantime. Scope and fees are agreed before any work begins.

Cato & Veil practice note. Legal points are general information; take advice on your own situation, and call 999 if you are in immediate danger.