Soon, someone or something is going to try to abuse your company's email system. A recent Com Tech security survey which gauged the opinions of IT and business decision makers, found the biggest issue organisations are currently tackling is protection from the ill effects of viruses.
More or less, all companies surveyed had been hit by a virus at some stage, and an attack can cost a business tens of thousands of dollars in lost revenue and productivity. Repairs can take hours or even days to complete.
Viruses and worms aren't the only offenders: spam (unsolicited junk email) fills in-boxes, video clips and audio files clog network pipes, and inappropriate messages, such as those containing offensive content or corporate secrets, can easily land a company in court.
Stopping email abuse requires a two-pronged approach. Antivirus software can precisely identify viral code attached to email messages and block it before it hits the network. This software can also often repair infected files. But antivirus software can't prevent the other forms of email misuse. Moreover, these programs are frequently caught unprepared for the latest email worms such as Melissa and NakedWife, which move from PC to PC so fast that they far outpace the providers' ability to locate, analyse, and develop antidotes for malicious code before getting out into "the wild." (Viruses need human intervention to spread to other computers, such as sharing disks or attaching files to email.)
That's where content-filtering software comes in. These programs inspect messages for inappropriate content and dangerous attachments by searching through lists of forbidden terms and file naming conventions.
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