Detect infected systems, Protect malware web site access, Detect and protect BOTNET, Detect potential attack i.e. network scanning, spyware attack and spamming, URL Filtering, Protect call home traffic.
A manufacturing company was using Websense for URL filtering and IWSS (Trend Micro) for malware protection with ISA proxy which was giving latency in internet access. Users were always complaining of slow Internet Access. After deploying Symantec Web Gateway Inline with Isa proxy the performance improved drastically.