. . INTERNET : PRIVACY : LEGAL: ISSUES : STANDARDS: Web Privacy Standards: Easy to Break, Hard to Enforce . . Web Privacy Standards: Easy to Break, Hard to Enforce By Jon Brodkin Published February 22, 2012 4:25 PM Ars Technica Law and Disorder http://arstechnica.com/tech-policy/news/2012/02/web-privacy-standards-easy-to-break-hard-to- enforce.ars?clicked=related_right
. A shorter URL for the above link: . http://tinyurl.com/7arl3ox . .Over the past week, Google has been called out for bypassing default privacy settings in both Safari and Internet Explorer in order to serve up advertising cookies. The two cases were quite different. With Safari, Google acknowledged the problem and said it was an accident. With Internet Explorer, Google said it was using the best available workaround for an outdated browser privacy technology that limits the capabilities of modern websitesand noted that thousands of other websites do much the same thing to get past IE's privacy policy.
.Despite the differences, each case demonstrates one thing that may be troubling to Web users: privacy settings in browsers can be easily circumvented. There are few technological barriers preventing companies like Google and Facebook from tracking users to serve up personalized ads, and there are few legal barriers as well.
.To dig into these issues, Ars spoke with Lorrie Faith Cranor, a computer science professor at Carnegie Mellon University and director of the institution's Usable Privacy and Security Laboratory. Protecting user privacy on the Web is an ongoing struggle, and one that is not going well, she said.
."Every time we come up with a technical solution that protects privacy, the websites come up with something they want to do that is broken by this privacy protection, and so they find a workaround for it and they basically break the privacy protection," she said.
. snip .The usefulness of P3P was put under the microscope this past week. Microsoft, the only major browser vendor to use P3P, notes that it blocks third-party cookies unless presented with a Compact Policy Statement (CP) promising not to use the cookie to track the user. Microsoft accused Google of circumventing this requirement with a fake policy that says "This is not a P3P policy" and a link to a Google page describing the company's opposition to P3P.
.Google fired back that it is "impractical to comply with Microsofts request while providing modern web functionality," such as signing into websites using one's Google account, or using Facebook's "Like" button. To prove its point, Google pointed to Cranor's own research showing that about a third of 33,000 studied sites were circumventing P3P in Internet Explorer.
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