URL Filtering
The ability to restrict access to suspicious or malicious web sites is imperative to network security and has implications for human resources as well. Companies have an obligation to prevent access to offensive materials, but also need to be concerned with blocking access to malicious sites that may download malicious software, exploit vulnerabilities, host a phishing attack, or pose some other security threat to the network.  |
Gateway AV/Spyware
Gateway antivirus solutions are signature-based security options that provide protection at the perimeter of your network. They are your first line of defense, scanning inbound and outbound e-mail traffic to identify and block malicious threats before they can enter your network.
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Gateway Anti-Spam
Spam is more than just a nuisance; studies indicate that it has a substantial cost impact to an organization. Time wasted deleting junk e-mail costs American businesses nearly $22 billion a year, according to a new study from the University of Maryland. Spam also contributes the added cost of network and system consumption and it exposes organizations to legal liability due to creating a hostile work environment. Furthermore, an extensive amount of damage can be done when email is used for phishing attacks where fraud messages are used for identity theft, or infecting users with viruses or Trojan horses.
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Data Filtering
Data filtering is one of the cornerstones of web application security. Input filtering is the method by which you validate all incoming data and prevent any invalid data from being used by your application. It's very similar in theory to how water filtering works, where impurities in water are not allowed to pass.
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