Keep IT Safe

Some simple steps can help you and your company avoid being the patsy in an online scam. 1 Never run a program unless you trust the source of the program. 2 Secure your computer with antivirus, antispyware, and a personal...

Do we need wireless

So many wireless equipments are around us, cellphones, WiFi/AirPort computer networking, Bluetooth keyboards and mice. I know basicly the vendors have tested the EMF (electric and magnetic fields) exposure before their products go into the store. They always say it...

Privacy Pioneer Promises Secure VOIP

LAS VEGASPhil Zimmermann, the celebrated cryptographer who created PGP (Pretty Good Privacy) for e-mail encryption, is taking a shot at securing VOIP communications. Zimmermann took the stage at the Black Hat Briefings here to show off Zfone, a prototype application...

Wireless Network Concern

Now more and more network build by wireless equipments. There are still something concern. 1) What is the range of wireless? Types of Wi-Fi Network Protocol Maximum Speed Average Speed Wireless Range 802.11a 54Mbps 27Mbps 12m indoors, 30m line-of-sight outdoors...