Yesterday's keynote at the 28th Chaos Computer Congress (28C3) by Meredith Patterson on "The Science of Insecurity" was a tour-de-force explanation of the formal linguistics and computer science that explain why software becomes insecure, and an explanation of how security can be dramatically increased. What's more, Patterson's slides were outstanding Rageface-meets-Occupy memeshopping. Both the video and the slides are online already.
Hard-to-parse protocols require complex parsers. Complex, buggy parsers become weird machines for exploits to run on. Help stop weird machines today: Make your protocol context-free or regular!
Protocols and file formats that are Turing-complete input languages are the worst offenders, because for them, recognizing valid or expected inputs is UNDECIDABLE: no amount of programming or testing will get it right.
A Turing-complete input language destroys security for generations of users. Avoid Turing-complete input languages!
Patterson's co-authors on the paper were her late husband, Len Sassaman (eulogized here) and Sergey Bratus.
LANGSEC explained in a few slogans
When Zoe Stavri woke up with a yeast infection, she had a strange and intriguing idea: what about adding some of her vaginal candida to sourdough starter?
Nick Sousanis, who delivered his doctoral dissertation in comic book form, has a new comic in the current Nature magazine, explaining the last 25 years’ worth of climate talks, as a primer in advance of the Paris climate talks next week.
Randall “XKCD” Munroe’s Thing Explainer: Complicated Stuff in Simple Words arrives in stores today: it combines technical diagrams and wordplay in pure display of everything that makes XKCD brilliant and wonderful in every way.
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