The main takeaway of two recent disclosures around N.S.A. surveillance practices, is that Americans must re-think ‘U.S. citizenship’ as the guiding legal principle to protect against untargeted surveillance of their communications. Currently, U.S. citizens may get some comfort through the usual political discourse that ‘ordinary Americans’ are protected, and this is all about foreigners. In […]
U.S. Citizenship and N.S.A. Surveillance – Legal Safeguard or Practical Backdoor?
October 15, 2013 by
A Court Order is an Insider Attack
October 15, 2013 by
Commentators on the Lavabit case, including the judge himself, have criticized Lavabit for designing its system in a way that resisted court-ordered access to user data. They ask: If court orders are legitimate, why should we allow engineers to design services that protect users against court-ordered access? The answer is simple but subtle: There are […]
The Linux Backdoor Attempt of 2003
October 9, 2013 by
Josh wrote recently about a serious security bug that appeared in Debian Linux back in 2006, and whether it was really a backdoor inserted by the NSA. (He concluded that it probably was not.) Today I want to write about another incident, in 2003, in which someone tried to backdoor the Linux kernel. This one […]
Silk Road, Lavabit, and the Limits of Crypto
October 3, 2013 by
Yesterday we saw two stories that illustrate the limits of cryptography as a shield against government. In San Francisco, police arrested a man alleged to be Dread Pirate Roberts (DPR), the operator of online drug market Silk Road. And in Alexandria, Virginia, a court unsealed documents revealing the tussle between the government and secure email […]
On Security Backdoors
September 11, 2013 by
I wrote Monday about revelations that the NSA might have been inserting backdoors into security standards. Today I want to talk through two cases where the NSA has been accused of backdooring standards, and use these cases to differentiate between two types of backdoors.
