Websites ‘Leaking’ User Info To Other Firms

Many top websites share their visitors’ names, usernames or other personal information with their partners without alerting users and, in some cases, without knowing they’re doing it, according to a new study from Stanford University.

Many websites “leak” usernames to third-party advertising networks by including usernames in URLs that the ad networks can see in referrer headers, said the study, released Tuesday by Stanford Law School’s Center for Internet and Society. While there’s a debate in legal circles whether usernames are personal information, there’s a growing consensus among computer scientists that Web-based companies can use usernames to identify their owners, said Jonathan Mayer, a Stanford graduate student who led the study.

“The vast majority of usernames are unique,” he said. “Given the prevalence of social networking, often times, once you have a username for a social network, you then also have a person’s real name, possibly a photo, possibly more.”

Other websites share first names, email addresses and other information with advertising or other partners, Mayer said at a privacy conference in Washington. Those identifiers “get associated not just with what you’re doing right now, but get associated with what you’ve done in the past, and what Web browsing activity you may have in the future,” he said.

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Sony Hacked Again

More than 2000 users of Sony Ericsson’s Canadian Website are impacted by the latest hack attack to hit a battle worn Sony. Sony Ericsson is joint mobile phone venture between Sony and Ericsson. According to Sony hackers made off with e-mail addresses, passwords and phone numbers–but no credit card details. Sony has now shut down the affected site. Around 1000 of the stolen records from the Sony Canadian Website are already online, posted by Idahc, a “Lebanese grey-hat hacker”.

“Sony Ericsson’s Website in Canada, which advertises its products, has been hacked, affecting 2000 people,” a Sony spokesperson told AFP. “Their personal information was posted on a Website called The Hacker News. The information includes registered names, email addresses and encrypted passwords. But it does not include credit card information.”

“Sony Ericsson has disabled this e-commerce Website,” Sony detailed to IDG News. “We can confirm that this is a standalone website and it is not connected to Sony Ericsson servers.” For security, Sony has shut down the Canadian Sony Ericsson eShop page, which currently reads: “D’oh! The page you’re looking for has gone walkabout. Sorry.”

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Facebook’s Users Info Was Leaked

Facebook users’ personal information could have been accidentally leaked to third parties, in particular advertisers, over the past several years, Symantec Corp said in one of its blog postings.

Third-parties would have had access to personal information such as profiles, photographs and chat, and could have had the ability to post messages, the security software company stated.

“We estimate that as of April 2011, close to 100,000 applications were enabling this leakage,” the blog post said.

” … Over the years, hundreds of thousands of applications may have inadvertently leaked millions of access tokens to third parties,” posing a security threat, the blog post said.

The third-parties may not have realized their ability to access the information, it said.

Facebook, the world’s largest social networking website, was notified of this issue and confirmed the leakage, the blog post said.

It said Facebook has taken steps to resolve the issue.

“Unfortunately, their (Symantec’s) resulting report has a few inaccuracies. Specifically, we have conducted a thorough investigation which revealed no evidence of this issue resulting in a user’s private information being shared with unauthorized third parties,” Facebook spokeswoman Malorie Lucich said in a statement.

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