But critics of NSA surveillance say an emergency is a kidnapping, where subscriber information could save a life.

NPR: Lawyers Debate the Legality of Domestic Spying

It says a phone or Internet service provider may not disclose subscriber information.

NPR: Lawyers Debate the Legality of Domestic Spying

The New York Times reports that hackers associated with Anonymous have apparently stolen subscriber information, including names and credit cards, from the security news site Stratfor.

FORBES: Stratfor Hacked; Anonymous Claims Responsibility

In a motion to dismiss the case, IMDb called Ms. Hoang's assertions "unsupported" and said that Ms. Hoang had voluntarily disclosed and permitted use of her subscriber information, per the site's terms.

WSJ: Is All Publicity Good Publicity? IMDB.com Tests Hollywood's Vanity Quotient

Bloomberg has been considering plans for an outside adviser such as Mr. Palmisano since last month when it first restricted the ability for its journalists to view subscriber information, a person familiar with the matter said.

WSJ: Bloomberg Taps Ex-IBM Chief Palmisano to Look Into Data Practices

For each network subscriber, a Call Detail Record (CDR) captures call information: who calls whom, for how long, from which number, etc.

FORBES: The Data Science Interview: Mingsheng Hong, Hadapt

When illegal activity is detected, such as the trading or selling of personal information online, Global ID Protector will notify the subscriber and provide instructions on how to prevent further exposure, fraud and take action to restore their identity.

FORBES: Stratfor Offers Customers Identity Theft Protection After Hack

Furthermore, no information was available on how many minutes per day a subscriber used the cell phone.

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