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Pete Finnigan's Oracle Security Weblog

This is the weblog for Pete Finnigan. Pete works in the area of Oracle security and he specialises in auditing Oracle databases for security issues. This weblog is aimed squarely at those interested in the security of their Oracle databases.

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Two excellent papers on a new method to combat parameter validation and SQL Injection

Thanks to Ivan for pointing out these two papers to me. One is a short paper titled "Guns and Butter: Towards formal axioms of input validation" by Robert J Hansen and Meredith L Patterson. The second is a presentation called "Stopping injection attacks with computational theory" again by the same two guys. As the URL's give away these are papers from the recent Black Hat briefings in Las Vegas. Both papers present new theories on input validation that promise convenience and security and they talk about the problem of false negatives and false positives and why regular expressions are not the answer, Finite State Automata, and computational theory are.

These are great papers and are worth reading.