OK the title is a lousy play on words, but the new spam tactic with hyperlinks to Flash files is actually pretty neat. You most likely know by now that spammers will look for any way to bypass content-based anti-spam filters. And they tried a new trick today: sending spam messages whose hyperlink call to [...]
Spam in Chinese is problematic for traditional content-filtering anti-spam engines for several reasons:
Chinese characters are “double-byte”, as opposed to “single-byte” like non-Asian languages. The second byte is due to the fact that one byte isn’t enough to transmit all the necessary information since the alphabet is so much larger than western languages like, for example, [...]
People are used to seeing Viagra or fake Rolexes promoted in spam, but have you ever seen spam that is selling fake Rolexes (and other replicas) that never mentions it in the email? Makes it hard for content filters to flag it as spam… Take a look at something Commtouch Recurrent Pattern Detection picked up [...]
