IMSI Catcher Detection

All our cellular devices are constantly connected to a cellular network.   However, invisible threats are lurking in the background.   One of the most dangerous and under-recognized of these is the 2G GSM IMSI catcher.   But with XDetect v2, a next-generation IMSI Catcher Detection system, you can finally shine a light on what’s happening in the shadows of mobile networks.

XDetect - 24/7 Intelligent IMSI Catcher Detection

What is an IMSI Catcher, and Why Is Detection So Important?

An IMSI catcher—also called a stingray, cell-site simulator, or fake cell tower ─ is a device that pretends to be a legitimate mobile tower.   Its goal is simple but sinister: trick your phone into connecting so it can intercept your communications, identify your SIM card via your IMSI (International Mobile Subscriber Identity), and monitor your movements.

Once connected, these (fake and hostile) rogue towers can:

  • Capture your identity and location.

  • Listen to phone calls.

  • Read text messages.

  • Inject malware or spyware directly into your device.

  • Perform silent tracking and passive surveillance.

Corporate Espionage with IMSI Catchers

Hackers, corporate spies, and even foreign adversaries now have access to a wide range of IMSI catchers – small, portable units to large, vehicle-mounted systems. Some are even deployed in vans that park near the homes or neighborhoods of C-level executives to carry out targeted surveillance. From these mobile setups, attackers can also target entire R&D departments, engineering facilities, headquarters, and other sensitive locations.

Detect Corporate IMSI Attacks with XDetect

This is where IMSI catcher detection becomes vital, and where the IMSI Catcher Detection XDetect leads the way.
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Why 2G is the Achilles' Heel of Mobile Networks

You might assume modern 4G and 5G networks have rendered older technologies obsolete. Unfortunately, 2G GSM is still alive and well in many regions, – and IMSI catchers exploit this.
One of their most common and effective tactics is the 2G downgrade attack, where your device is forced off a secure 4G or 5G network and onto an outdated 2G one.

Once your devices are downgraded on 2G GSM:

  • Encryption is weak (or nonexistent).

  • Communications can be intercepted in real-time.

  • Your mobile devices; cell phones, smart phones, and so on can unknowingly connect to fake towers without any alerts.

Detection of IMSI Catchers is more than a must have

Worse still, most devices prioritize any signal over secure signal.   That means your phone may willingly connect to a rogue tower just to avoid dropping a call.   And you’ll never be notified.
The same for malware and spyware.   Malware and spyware can be silently installed without any notification or warning.   From that moment on, everything on your mobile device can be tracked, viewed, and accessed by competitors, hackers, or other untrusted actors ─ without your knowledge.

XDetect ─ Continuous and Autonomous ─ IMSI Catcher Detection

X•Detect is a purpose-built, intelligent IMSI catcher detection system designed to monitor your mobile environment and protect your device from rogue base stations, fake towers, and silent surveillance attempts.
This isn’t just a background app, it’s a self-contained, autonomous intelligent physical Hardware-Based System developed by mobile security experts, engineered to detect and alert you to cellular threats in real-time. Deployable inside a building for 360 degrees protection, and even outdoors with directional settings, to identify from where threats are operating.

What Can XDetect Do?

  • Detect forced network downgrades from 5G/4G to insecure 2G.

  • Identify rogue cell towers broadcasting near your location.

  • Uncover hostile surveillance 2G GSM IMSI Catcher tactics.

  • Send instant alerts before your phone connects to these threats.

  • Operate completely autonomously — 24/7 and continuously

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How Does XDetect Technically Operate?

At its core, X•Detect is constantly listening to the cellular environment around you, analyzing and interpreting broadcast data from nearby towers. When it detects abnormal patterns or behavior that match known IMSI catcher tactics, it takes immediate action.

Here’s how XDetect works:

  1. Signal Monitoring
    XDetect monitors with the use of the IMSI Catcher Detection software in real-time if true “hostile” and “rogue” 2G Fake GSM Cell Towers are active.

  2. Behavioral Analysis
    It analyzes tower information, flagging inconsistencies like fake tower IDs, abnormal encryption protocols, or irregular signal strength patterns.

  3. Instant Alerts
    The system notifies you the moment suspicious activity is detected, so you can switch to airplane mode, shut off the device, or leave the area.

Unlike traditional mobile security tools that only react after a breach has occurred, what’s needed is a preventive solution – one that detects and alerts you to threats before an attack begins.