Latest eBay Data Breach Shows Deeper Security Concerns Than Reported

In May the company's systems were compromised by hackers exposing some information of nearly 150 million eBay users. The company asked all its customers to reset their passwords, but stressed that no financial data -- such as credit card numbers -- had been breached.

Now buyers and sellers using the online marketplace may be revealing far more than they intend to. Researchers at the New York University Polytechnic School of Engineering and NYU Shanghai have discovered a privacy flaw that allows site visitors to view a buyer's complete purchase history. That's a severe privacy breach, potentially revealing very personal information. Read more.