"Attacking Third Party Tracking." 2600 - The Hacker Quarterly Autumn 2006: 23-3
Security and Obscurity on the Internet
Social Engineering Vulnerability Evaluation and Recommendation (SEVER) Project
This is a formal methodology for social engineering. There is a lot of cool stuff packed into the instructions so you must read both of the documents!
A Spanish translation of the SEVER instructions is available here. Thank you to Andrew Reyes for all of the work!
"Stupid Google Tricks." 2600 - The Hacker Quarterly Spring 2002: 10-11
"Warspying." 2600 - The Hacker Quarterly Winter 2002-2003: 9