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Law enforcement can’t keep your seized files forever (anymore)

The US Second Circuit court of appeals just ruled on a very important case about Fourth Amendment protections for seized computer files. While this ruling is only binding on courts in the 2nd circuit, it will be influential, and we are likely to see this issue addressed by the Supreme Court before too long. The [...]

Law enforcement access to your cell tower location may require a warrant

A federal appeals court in Atlanta ruled that there is an expectation of privacy in cell tower location information, and therefor it is protected by the Fourth Amendment. This runs counter to other recent rulings that allow access to the information without a warrant under the Stored Communications Act. The recent ruling relies on precedent [...]

Law Enforcement Back Doors

Bruce Schneier has a great post on issues with CALEA-II. He talks about two main issues, with historical context. First, about the vulnerabilities that automated eavesdropping backdoors always create in communications, and how that disadvantages US companies. Second, about the fact that law enforcement claims of communications “Going Dark” are absurd given the treasure trove [...]

Rep. Ed Markey: When, How Are Wireless Carriers Sharing Consumers’ Personal Information With Law Enforcement?

Rep. Ed Markey (D-Mass), co-chairman of the House caucus on privacy, has sent letters (Markey page; archive pdf) to nine major wireless communications companies  – U.S. Cellular, Sprint Nextel, T-Mobile USA, Leap Wireless Inc./Cricket Communications, MetroPCS, Verizon Communications, AT&T, C Spire Wireless and TracFone Wireless — and asked “each about its policies and practices for sharing [...]