Microsoft has joined forces with eight internet security firms to offer additional applications for its ISA server. The companies, including nCipher, SurfControl and Websense, will provide tools to boost firewall capabilities such as anti-virus...
However, the big problem isn't in filtering emails - companies such as software vendor SurfControl and ISP Star Internet, both from the UK, are doing very well in this space. Filtering accurately is the major headache, as this kind of software can...
Content filtering now goes way beyond spam email, encompassing outbound email, IM, web access and back-up. IM filtering is disappearing as an independent sector, the most high-profile independent vendor, IM Logic, having been recently acquired by...
Web acceleration appliances from vendors such as Expand and Riverbed ensure traffic is compressed before transmission and that regularly used files are cached locally and not transmitted each time they are requested.
The addition of Postini's technology to Google Apps Premier Edition (GAPE) means that users can now better configure their spam and virus filtering and implement various policies, including a centrally managed outbound-content policy.
Spam filtering uses a range of techniques to root out spam. But as the threat has evolved, so have the filtering techniques that help ensure spam never reaches the user, as Anthony Plewes reports. Like much of the security industry, success in...
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