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About Lenny Zeltser

Here, I list some autobiographical facts and outline a several of my projects and accomplishments. After all, activity suggests a life filled with purpose.

For more about me, see my , blog and Twitter stream.

Professional Background

I am a seasoned business and tech leader with extensive experience in information technology and security. As a product management director at NCR Corporation, I builds products that safeguard operations of small and midsize businesses world-wide. Before NCR, I led the enterprise security consulting practice at a major IT hosting provider. I also teach digital forensics and malware courses at SANS Institute, where I ama senior faculty member. In addition, I am a Board of Directors member at SANS Technology Institute and a volunteer incident handler at the Internet Storm Center.

My expertise is strongest at the intersection of business, technology and information security practices and includes incident response, cloud services and product management. I frequently speak at conferences, write articles and have co-authored books on network security and malicious software defenses. I am one of the few individuals in the world who've earned the prestigious GIAC Security Expert designation. I have an MBA degree from MIT Sloan and a Computer Science degree from the University of Pennsylvania.


One of my most challenging and rewarding experiences was producing and co-authoring the book Inside Network Perimeter Security. I also contributed chapters to Malware: Fighting Malicious Code and CyberForensics. I also wrote articles for publications such as the Information Security magazine, and Campus Technology.

Many of my articles and papers are available throughout this website. I also write an information security blog and practicipate in discussions on Twitter. In addition, I periodically contribute to the SANS Computer Forensics and Digital Response blog and to Internet Storm Center diaries.