Security builder & leader

Inside Network Perimeter Security, the Book

I produced and co-authored Inside Network Perimeter Security, which is a practical guide to designing, deploying, and maintaining network defenses. This book is unusual in that it has a consistent phrasing and style, yet it consolidates the experience of more than a dozen information security professionals working together as a team of writers and reviewers.

The first edition of the book was very well received, which motivated us to update and expand its text. As a result of this effort, the second edition of the book became available in stores in March, 2005.

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Inside Network Perimeter Security, 2nd Edition By Stephen Northcutt, Lenny Zeltser, Scott Winters, Karen Kent, Ronald W. Ritchey ISBN: 0672327376 Sams Publishing March, 2005

The second edition is more recent, but the Amazon.com listing for the book’s first edition might be useful for a historical perspective:

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Inside Network Perimeter Security, 1st Edition By Stephen Northcutt, Lenny Zeltser, Scott Winters, Karen Kent, Ronald W. Ritchey ISBN: 0735712328 New Riders/Sams Publishing June, 2002

About the Author

Lenny Zeltser is a cybersecurity executive with deep technical roots, product management experience, and a business mindset. As CISO at Axonius, he leads the security and IT program, focusing on trust and growth. He is also a Faculty Fellow at SANS Institute and the creator of REMnux, a popular Linux toolkit for malware analysis. Lenny shares his perspectives on security leadership and technology at zeltser.com.

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