Lenny Zeltser

Inside Network Perimeter Security (2nd Edition) (Inside)  Stephen Northcutt Lenny Zeltser Scott Winters Karen Kent Ronald W. Ritchey Paperback. Sams, 2005-03-11 ISBN 9780672327377     Malware: Fighting Malicious Code  Ed Skoudis Lenny Zeltser Hardcover. Prentice Hall Ptr, 2005-12 ISBN 9780536915030