Phone Detection

Identify Unauthorised Mobile Devices & Surveillance Threats

Professional phone detection helps identify unauthorised devices, hidden phones, suspicious activity and tracking threats.

When to consider

When to Consider a Phone Detection Survey

One isolated issue may be a glitch. A pattern of problems requires a closer look. Specialized cell phone detection determines if the security risk is real or not.

The primary indicator of hidden phone surveillance is often the irregular behavior of the device or the leaked information itself rather than the physical hardware. Consider a professional phone detection survey if you notice:

01.

Leaked conversations: Outside parties reference private discussions they were never part of and were never told about.

02.

Erratic behavior: Your mobile device undergoes unexpected restarts, rapid battery drain, unusual heating, or unexplained data usage spikes.

03.

Unrecognized hardware or apps: An unfamiliar phone, suspicious app, localised transmitter or connected device appears in a secure area without a clear owner, or you need to detect mobile phones nearby in a controlled environment.

04.

Compromised locations: Your real-time position reaches unauthorised individuals even though no physical tracker was found or your mobile location was switched off.

phone detection

How We Detect Phone Threats

We conclude all assessments with a private verbal briefing and a thorough written survey report. This gives you exact data regarding your hardware status alongside concrete steps to secure privacy.

Modern phone surveillance takes several forms, including unauthorised devices in secure spaces, high risk areas,  spyware installed on trusted handsets, and the direct interception of calls or messages.

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Scanning for unauthorised devices

Using professional detection equipment, we sweep secure areas for mobile devices, whether concealed in furniture, hidden in walls, or operating in restricted zones, identifying any device placed for eavesdropping or recording.

Analysing call and message interception

For advanced concerns around voip tapping detection, we check for complex call forwarding anomalies, unauthorised VoIP redirections, and clear technical markers indicating that conversations are being intercepted at the network carrier level.

Examining Bluetooth and wireless vulnerabilities

A phone with active blutooth connections in a sensitive area can become an accidental espionage conduit. We check for unauthorized pairings, rogue access points, and proximity-based exploits.

Locating hidden phones used as bugs

A hidden phone configured to auto-answer is one of the simplest and most effective bugs available. Our physical and RF sweep protocols detects these devices quickly.

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What We Check That Others Overlook

Our phone detection services adapt seamlessly to individual devices, executive teams, and secure facilities where unauthorized cell phone detection is a standing requirement.

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Phones in airplane mode:

Unauthorized transmitters engineered to duplicate legitimate network names, consistently overlooked by traditional IT scans due to their familiar appearance.

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Device cloning indicators:

Our survey looks for configuration markers that may indicate an unauthorised VoIP endpoint is mirroring, registering against, or intercepting activity from your primary VoIP service, including calls, extensions, routing behaviour and account-level access.

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If You're Not Sure It's the Phone

Sometimes an information leak is undeniable, but the underlying source remains a mystery. The threat could stem from a hidden microphone, a compromised laptop, or a cloud account accessed by an unauthorized individual outside your organization. A brief conversation helps us determine whether a phone detection survey is your ideal starting point or if a broader TSCM strategy is required.

next steps

What to Do Right Now

If you suspect a mobile device is compromised and actively monitoring your conversations or location:

Isolate the handset: Place the device in another room or leave it outside the building entirely during sensitive conversations.
Maintain strict silence: Avoid making calls or sending messages regarding your security concerns while using the suspected phone.
Establish secure contact: Use an entirely different, trusted phone from a separate physical location to reach out for assistance.

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Request a confidential
Network Analysis

EDS – Africa’s most experienced TSCM team. Discretion, facts, and peace of mind