USByte Guardian

USB Intrusion Prevention
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Protect your PC from potential spies


Prevents anyone from connecting an unauthorized storage device.


USByte Guardian will refuse to let an unknown user change its security settings. The software runs in the background and is completely invisible.


A wide choice of actions to be taken in the event that a fraudulent device is detected: ejection, audible warning, formatting ...

Did you know?

Contrary to what one might think, for a person using his computer for "traditional" purposes, the most serious threat of viruses and spyware infecting it is not the Internet...
but one’s immediate entourage !

-> 70% of spyware infections are caused by members of the family

-> 30% of people in our western societies are likely to be spied on by at least one member of their entourage should the opportunity arise

-> 50% of them do not always lock their computers when they are at home or at work

PC spy software protection

Questions / Answers

USByte Guardian prevents any unauthorized storage devices from being connected.
For example, an ill-intentioned person seeking to take advantage of a moment’s inattention on your part to connect his USB key and recover your data / install spyware will have no access to the USB key that he has plugged in, thus guaranteeing the complete security of your computer.
Nothing at all, USByte Guardian is completely free.
Absolutely. The anti-spyware program protects against all physical intrusionsf from outside, whatever they may be.


* Using the product for espionage purposes is illegal and potentially exposes you to criminal penalties. It is the responsibility of the user of FIREWORLD Controller to make sure that his use of it complies with all the laws in force in his own country and with those of the country in which the software is being used. In particular, it is forbidden to use the software for purposes which may be deemed as underhanded and without the knowledge of the person executing Controller Client on his device. If you are in any doubt, consult your lawyer before using our products. Please read the Liability section for more details.

Please note: The USByte Guardian software is currently in its testing phase. Its proper functioning is therefore in no way guaranteed.