These eavesdropping methods can be prevented in this way!
We are in the information age. The serious leakage of personal privacy has become the “feature” of this era. Eavesdropping incidents, pinhole camera sneak shots, and vehicle GPS tracking have frequently appeared. In this regard, how should we implement anti-eavesdropping and effective protection What about information security? Different eavesdropping devices have different anti-eavesdropping measures. We will take these different eavesdropping devices as examples this time to understand the corresponding anti-eavesdropping measures. ①GSM bug The GSM bug is mainly the same as the original mobile phone. The bug is powered by a battery, usually it is a widely used lithium-ion battery. It consists of a microphone and a GSM module with a local mobile operator's SIM card. Once the eavesdropper detects the noise around it, it only needs to dial a certain phone number, and the wicked person will listen to everything that is happening near the device. The advantages of this device are: a