Dan Riehl is the president and security specialist for the IT Security and Compliance Group, LLC. Dan has performed IBM i security assessments for many of the largest corporations in the world. He regularly visits customer sites to perform these assessments and to help them understand and plan for fixing the holes in current security implementations.

Dan’s articles appear regularly in System iNEWS, where he has been a technical editor and author for over 20 years. He is the writer and editor for System iNetwork Systems Management email newsletter and regularly teaches classes and seminars on IBM i security and other technical topics.

Included among the award-winning books that Dan has authored and coauthored are:

• AS/400 PowerTools (Volumes I & II)
• Control Language Programming for the AS/400
• The Desktop Guide to AS/400 Programmers' Tools
• PowerTips for iSeries Security