(Photo caption: eBay claims that 150,000 Internet users earn their livelihood from the site, some having left their old jobs to become buyers or sellers on eBay.Photo: Bloomberg)

"I don't know another Web site that has a privacy policy as flexible as eBay's," says Joseph Sullivan. A little bit later, Sullivan explains what he means by the term "flexible." Sullivan is director of the "law enforcement and compliance" department at eBay.com, the largest retailer in the world.

Sullivan was speaking to senior representatives of numerous law-enforcement agencies in the United States on the occasion of "Cyber Crime 2003," a conference that was held last week in Connecticut. His lecture was closed to reporters, and for good reason. Haaretz has obtained a recording of the lecture, in which Sullivan tells the audience that eBay is willing to hand over everything it knows about visitors to its Web site that might be of interest to an investigator. All they have to do is ask. "There's no need for a court order," Sullivan said, and related how the company has half a dozen investigators under contract, who scrutinize "suspicious users" and "suspicious behavior.