The upcoming releases of MSN 9, Microsoft Exchange and the Outlook messaging and collaboration client in Office 2003 will include filters to detect spam and verify whether the senders of messages are who they say they are, said Moore.
John Cheney, CEO of email security firm BlackSpider Technologies, said to get past the Bayesian methods, spammers have started hiding words that are not usually associated with spam at the bottom their emails: "At the bottom of the message they...
It also enables spammers to let botnets in countries such as the US lie dormant for longer and evade detection. Dave Marcus, security research manager at McAfee, said more dispersed botnets increase the spammer's ability to use one network for a...
Spammers continue to tweak their approaches to get past filters. Symantec noted in its study that image spam now includes "slanted text", which refers to an image with embedded spam text rather than plain text in the email.
Spammers, phishers and other internet fraudsters, be warned. By restricting spammers to a limited set of domain names, however, Yahoo! In the long run, DomainKeys is more promising than existing anti-spam and anti-phishing technologies, which rely...
Image-based spam, in which unsolicited emails evade anti-spam filters by including their messages within attached images, is also on the decline according to McAfee, declining from 65 per cent at the start of the year to less than 20 per cent now.