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Junk mail can now be identified based on a single packet of data.
Researchers show how spammers harvest e-mail addresses and send out bulk messages.
Google’s new +1 button lets friends tune each other’s search results, but so far the company has few connections to draw on.
Illegitimate pharmacies account for 90 percent of drug ads on Microsoft’s Bing, according to a new report.
Anti-spam puzzles are helping researchers develop smarter algorithms.
Where does all that malicious Internet content come from?
Websites may soon be asking you to watch a short ad rather than enter garbled text.
The head of Google’s Web-spam-fighting team warns that spammers are increasingly attacking websites.