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John Earl

John Earl is the founder and Director of Technology and Security for  The PowerTech Group.  a Seattle-area software company that specializes in System i security. He has over 25 years experience with IBM midrange systems and security, has published numerous articles and columns for industry magazines, and served as a Subject Matter Expert (SME) for Security for COMMON. A highly regarded speaker on OS/400 and i5/OS security, Mr. Earl has presented several hundred of iSeries security sessions at industry conferences and user groups all over the world. He is a three-time winner of COMMON's Speaker Excellence award and has also served on the board of directors of COMMON U.S.


He can be reached at 253.872.7788 or at



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Created: 2009-04-30
Category: Security - Other
Download your free copy of the 2009 "State of System i Security" white paper. By John Earl Are you...
Created: 2009-04-27
Category: IBM i (OS/400, i5/OS)
Certainly, you're much too wise to think that a network appliance will protect your data. Or are yo...