Today the security of the private life of individuals and institutions are seriously threatening by electronic bugging devices (surveillance). These devices are getting smaller day by day, being more intelligent and able to send information to much more distances. Since they are using modern communication techniques (frequency hopping, UWB, GSM and 3G/4G) it is much more harder to detect them and these devices can be accessed from anywhere in the world. Also mobile phones or personal computers could be abused and they become a threat. ZETA Defense provides safe room and user-friendly, effective and cost-effective countersurveillance systems for industrial, political, military bases.