Home Counter Surveillance

Counter Surveillance

LATEST

How to Protect Your Cryptocurrency from Hackers? Hot & Cold Crypto...

We talk a lot about personal security and privacy when it comes to electronics. But nowadays, there’s a new area that we should focus...

DON'T MISS

INFO

SECAM – What is It?

SECAM stands for Séquentiel couleur à mémoire (Sequential Color with Memory) The first European color video format, analog to PAL, NTSC. Developed in France. Used mostly in...

DTMF (Dual Tone Multiple Frequencies)

A system used in touch-tone telephones. DTMF assigns a frequency to each key for easier identification. In spy world for example, DTMF technology is...