Brian Hatch is Chief Hacker at Onsight, Inc. where he is a Unix/Linux and network security consultant. His clients have ranged from major banks, pharmaceutical companies and educational institutions to major California web browser developers and dot-coms that haven't failed. He has taught various security, Unix, and programming classes for corporations through Onsight and as an adjunct instructor Northwestern University. He has been securing and breaking into systems since before he traded in his Apple II+ for his first Unix system. He is also co-maintainer of Stunnel, an Open Source secure SSL wrapper used around the world to encrypt cleartext protocols.

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