Content filtering software is used at the email gateway and network firewall to stop unsuitable material, such as pornography, either entering or leaving a company. The vast majority of UK businesses using content filtering to protect their...
Better spam-filtering by internet service providers and improved email authentication are also essential to limit email's ability to be used as a means of spreading spam and viruses, said Hallawell. The analyst group recommends that users check and...
CipherTrust's data comes from analysing messages collected from the nearly 2,000 enterprises using the company's IronMail email security appliance, while Clearswift's figures come from examining messages arriving at the company's many seed accounts.
UK email security firm MessageLabs has struck a deal with security giant Symantec which will see it include Brightmail anti-spam technology in its own email filtering as it endeavours to better protect its customers from unsolicited email.
At the time of the CyberTrust announcement the litigious CipherTrust, who this year fought IronPort over a conflict with its own IronMail brand, declined to comment on any similarities to its own brand.
Content filtering now goes way beyond spam email, encompassing outbound email, IM, web access and back-up. Content filtering had a new injection of life a few years ago, when the volume of unwanted email (spam) targeted at businesses was getting...