Protect your PC from all kinds of hacking and information theft with the AlphaShield™ Hardware Firewall\xA0from AlphaShield™. Plug this unit between your computer and high-speed modem and get the security you need within minutes. With the incorporated IP Stealth technology this device helps you to make your computer invisible to would-be-hackers. In addition, the Real-time Packet Authorization allows only requested information into the computer, keeping all unsolicited visitors out. Also the Alp