The Internet can be a hazardous place for businesses. The malware and thieves that hide in the vast data streams of cyberspace pose constant threats to computer networks. E-mail and instant messaging (IM) afford quick communication and collaboration by taking advantage of the Internet's omnipresent qualities, but they require networks to allow a certain amount of traffic through in order for these applications to function. IT administrators must keep their businesses connected, yet safe, by enacting measures that allow them to monitor what comes in and goes out via Internet protocol (IP) traffic, so they can detect threats before malicious code can take root in the network.

Read this paper to learn helpful tips related to the following topics:

• Securing your business doesn't mean isolating it
  
• Secure the network by the zone
  
• Best practices for warding off messaging threats