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  Best VPN services in conjunction with Antivirus on their servers appear to have much better results in protection against known and unknown threats. As there is an additional layer of defense between the user and his computer, VPN makes it much more difficult for known threats to locate specific target machines. As some VPN services have firewalls at their servers, many threats are blocked there and since IP addresses are assigned, malware cannot specifically target known IP addresses. Further if a good VPN service also provides Antivirus as well as Firewall, the risk drops appreciably, particularly if the Antivirus utilized at the server is different than that at the users' machine as each Antivirus relies on different generic techniques for dealing with new threats. In this case, the risk of known viruses can drop to as low as 2.5% and unknown threats to between 10-20%, far better than the current 15% and 50% by using a standalone Antivirus program. Antivirus and protected data

  VPN is short for Virtual Private Network and is a technology that creates an encrypted secure connection over a less secure network like the Internet. The benefit is that it provides the security that the network on which it is based cannot provide. It uses the internet to transport data. Many such networks can be created by using different systems incorporating encryption and other security mechanisms to ensure that only authorized users can access the network and information cannot be intercepted by the others. It is like a tunnel built to transmit data between a network of say an organization and a remote user. It hides your data and IP address. VPN Protocols The main VPN network protocols are: IPSec - Developed by the Internet Engineering Task Force, to secure exchanges of data at the IP layer. It is widely used for creating VPNs PPTP- Point to Point Tunneling Protocol for VPNs developed jointly by Microsoft, US Robotics and several remote access vendor companies. It is now obsol