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Justice Department has requested records for millions of searches made on Google, AOL and other popular search engines in an effort to bolster its case for an online ****ography law. The subpoena is for broad data on search habits, not personal information. But the request has raised alarms among industry observers and civil libertarians who wonder what kind of data search engines have about their users -- and what other, more sensitive data the government may seek next.
Google, Microsoft's MSN, Yahoo and AOL received subpoenas for a random sampling of millions of Internet addresses cataloged in their databases, as well as for records for potentially billions of searches made over a one-week period. Only Google refused to comply. The Justice Department wants to use the data to support its argument that Web-filtering software doesn't work.
"The reason they're asking for the data is that they want to be able to say, 'Look, this is how much **** is potentially reached online,'" says Danny Sullivan, editor of Search Engine Watch, an industry newsletter. "But next time, they might come in and ask for data that does contain personal information. That serves as a wake-up call for people."
A 'Honey Pot' of User Information
The request was part of the government's effort to uphold the Child Online Protection Act (COPA). The 1998 law requires online distributors of "material harmful to minors" to prevent minors from accessing the site. Civil liberties groups argued that COPA also restricts protected free speech. Courts have blocked the law from taking effect.
Subpoenas for the search information were issued last year. Representatives from MSN, AOL and Yahoo said their companies chose to comply only after ensuring that the information did not violate the privacy of their users. Google opted to fight the request. This week, the Justice Department asked a federal judge to force Google to hand over the information.
In refusing to comply with the subpoena, Google cited concerns over the privacy of its users and the protection of its trade secrets. The Electronic Frontier Foundation, a civil liberties group, applauds Google's defiance, but notes that the government's request brings new focus on the type of information that search engines collect on their users.
"All the search engines have created a honey pot of information about people and what they search for," says Kurt Opsahl, a staff attorney for the group. "It's a window into their personalities -- what they want, what they dream about. This information gets stored, and that becomes very tempting."
What Search Engines Know About You
Search Engine Watch's Sullivan says that people might be surprised to learn how much information search engines store about their users. At a basic level, search engines retain a record of the Web sites users visit and the search terms they use. "Cookies" -- text files that are embedded in a user's hard drive by a Web page server -- help search engines keep a record of their customers' Web habits to personalize their searches and to deliver targeted advertising. Yahoo's cookie expires in June 2006. The cookie used by Google lasts until 2036.
Search engines that offer e-mail services -- such as Yahoo Mail or Google's Gmail -- retain whatever personal information users are required to enter when opening an e-mail account, Sullivan notes. The same holds true for anyone who signs in when using a personalized homepage from Google or Yahoo. Whatever information you provide when signing in could be linked to your search history.
And customers who buy services from a search engine might also be leaving their credit card information behind. "Technically, they can use that to find out who you are," Sullivan says.
Anonymous Browsing
Technology to help Web users protect their privacy is available. Software such as Tor and Anonymizer hides a user's IP address (the string of numbers that identifies a user's computer) from search engines by routing search requests through a maze of servers.
Tor is a free service sponsored by the Electronic Frontier Foundation; it routes your Web browsing through a variety of servers, camouflaging where the traffic originated from. Anonymizer offers limited free browsing and also sells software packages starting at $29.99. Technology experts say both services can result in slower surfing, and they note that some Web sites block anonymous browsing.
A Novel Request
Search engines receive requests for specific information on users several times a day, in both criminal probes and civil lawsuits. The Justice Department's request is different in that the information being sought is a large body of data, rather than information related to a specific individual.
While that may have allayed the privacy worries of search engines that chose to comply with the subpoenas, privacy advocates worry that personal information might be part of the search data itself. They note that people often perform vanity searches for their names, their home addresses or other personal information.
The Electronic Frontier Foundation's Opsahl says his group has urged search engines to limit the amount of information they gather about users and the length of time they store that data. "They have listened to us but there's a lot of resistance," he says.
Google, Microsoft's MSN, Yahoo and AOL received subpoenas for a random sampling of millions of Internet addresses cataloged in their databases, as well as for records for potentially billions of searches made over a one-week period. Only Google refused to comply. The Justice Department wants to use the data to support its argument that Web-filtering software doesn't work.
"The reason they're asking for the data is that they want to be able to say, 'Look, this is how much **** is potentially reached online,'" says Danny Sullivan, editor of Search Engine Watch, an industry newsletter. "But next time, they might come in and ask for data that does contain personal information. That serves as a wake-up call for people."
A 'Honey Pot' of User Information
The request was part of the government's effort to uphold the Child Online Protection Act (COPA). The 1998 law requires online distributors of "material harmful to minors" to prevent minors from accessing the site. Civil liberties groups argued that COPA also restricts protected free speech. Courts have blocked the law from taking effect.
Subpoenas for the search information were issued last year. Representatives from MSN, AOL and Yahoo said their companies chose to comply only after ensuring that the information did not violate the privacy of their users. Google opted to fight the request. This week, the Justice Department asked a federal judge to force Google to hand over the information.
In refusing to comply with the subpoena, Google cited concerns over the privacy of its users and the protection of its trade secrets. The Electronic Frontier Foundation, a civil liberties group, applauds Google's defiance, but notes that the government's request brings new focus on the type of information that search engines collect on their users.
"All the search engines have created a honey pot of information about people and what they search for," says Kurt Opsahl, a staff attorney for the group. "It's a window into their personalities -- what they want, what they dream about. This information gets stored, and that becomes very tempting."
What Search Engines Know About You
Search Engine Watch's Sullivan says that people might be surprised to learn how much information search engines store about their users. At a basic level, search engines retain a record of the Web sites users visit and the search terms they use. "Cookies" -- text files that are embedded in a user's hard drive by a Web page server -- help search engines keep a record of their customers' Web habits to personalize their searches and to deliver targeted advertising. Yahoo's cookie expires in June 2006. The cookie used by Google lasts until 2036.
Search engines that offer e-mail services -- such as Yahoo Mail or Google's Gmail -- retain whatever personal information users are required to enter when opening an e-mail account, Sullivan notes. The same holds true for anyone who signs in when using a personalized homepage from Google or Yahoo. Whatever information you provide when signing in could be linked to your search history.
And customers who buy services from a search engine might also be leaving their credit card information behind. "Technically, they can use that to find out who you are," Sullivan says.
Anonymous Browsing
Technology to help Web users protect their privacy is available. Software such as Tor and Anonymizer hides a user's IP address (the string of numbers that identifies a user's computer) from search engines by routing search requests through a maze of servers.
Tor is a free service sponsored by the Electronic Frontier Foundation; it routes your Web browsing through a variety of servers, camouflaging where the traffic originated from. Anonymizer offers limited free browsing and also sells software packages starting at $29.99. Technology experts say both services can result in slower surfing, and they note that some Web sites block anonymous browsing.
A Novel Request
Search engines receive requests for specific information on users several times a day, in both criminal probes and civil lawsuits. The Justice Department's request is different in that the information being sought is a large body of data, rather than information related to a specific individual.
While that may have allayed the privacy worries of search engines that chose to comply with the subpoenas, privacy advocates worry that personal information might be part of the search data itself. They note that people often perform vanity searches for their names, their home addresses or other personal information.
The Electronic Frontier Foundation's Opsahl says his group has urged search engines to limit the amount of information they gather about users and the length of time they store that data. "They have listened to us but there's a lot of resistance," he says.
