Why a “Dark Screen” is not a Security Guarantee

The most dangerous security threats are the ones we stop noticing. In the government & public sectors, smartphones have become such a ubiquitous part of our environment that we often forget they are essentially sophisticated bundles of sensors, cameras, and, most importantly, microphones.
phone next to laptop that can be bugged

The Remote Activation Threat

Modern mobile malware has evolved. Sophisticated “zero-click” exploits can compromise a device and activate the microphone without any visual indication to the user. The screen stays dark, the battery usage remains optimized, yet the device is capturing every word of a sensitive briefing or a board-level negotiation.

Physical Neutralization over Digital Hope

When the stakes are high, relying on software to tell you if a microphone is active is a risk. link22 Shield offers a paradigm shift. Instead of trying to out-code the hackers, Shield uses a physical noisebox approach to create a “dead zone” for the phone’s sensors.

By placing a phone inside Shield, you utilize two core principles:

  • Isolation: The box physically separates the phone from the acoustic environment of the room.
  • Sound Masking: The device generates a protective layer of randomized noise.

This ensures that even if a device is actively recording or transmitting, the only data it captures is randomized static. It is a quick, reliable way to restore privacy to the boardroom without needing an IT degree to operate it.

Read more and book a demo here.

Daniel Lester - Business & Marketing Manager, Business Area Manager Solutions

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