codes and keys French software engineer may have cracked the Zodiac killer's code David Pescovitz

codes Odd letters and numbers appearing on cars in Redding, California David Pescovitz

DICEWARE This Welsh password generator might keep you safe from hackers, but definitely from dragons Thom Dunn

adi shamir The world's preeminent cryptographers can't get visas to speak at US conferences Cory Doctorow

authentication Banksy's art authentication system displays top-notch cryptographic nous Cory Doctorow

the purloined letter Hide and seek: A catalog of useful steganography tools Cory Doctorow

ghost users Debunking "ghost users": MI5's plan to backdoor all secure messaging platforms Cory Doctorow

headsetup Sennheiser's headphone drivers covertly changed your computer's root of trust, leaving you vulnerable to undetectable attacks Cory Doctorow

codebreaking World War II Enigma cipher machine up for auction David Pescovitz

Entropy Wall How these lava lamps are securing the internet Rusty Blazenhoff

hunting of the snark Puzzles that teach the fundamentals of crypto's essential, elusive zero-knowledge proofs Cory Doctorow

freedom Apple CEO Tim Cook demands Obama White House formally defend Americans' right to strong encryption Xeni Jardin

antique Enigma encryption machine from World War II sells for $233,000 David Pescovitz

moxie marlinspike Moxie Marlinspike profiled in WSJ. Obama thinks secure messaging apps like the one he built are "a problem." Xeni Jardin