Do the Police Need a Search Warrant to Access Cell Phone Location Data?

The US Supreme Court is deciding a case that will establish whether the police need a warrant to access cell phone location data. This week I signed on to an amicus brief from a wide array of security technologists outlining the technical arguments as why the answer should be yes. Susan Landau...

LinkedIn Asks for Transparency on National Security Letters

LinkedIn on Tuesday joined the fray of Internet companies requesting permission from the Foreign Intelligence Surveillance Court to publish data on the number of National Security Letters it receives. Unlike Google, Microsoft and others that have petitioned the FISA court to lift its ban on the...

EFF: Forced Decryption Violates Fifth Amendment

If the government would like to force Jeffrey Feldman to decrypt the contents of the hard-drives and Dell computer found in his apartment, then they must offer him immunity and cannot use any of the information found on the devices as part of their case against him. That is what the Electronic...