The top 20 IT mistakes to avoid

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InfoWorld's Chad Dickerson gathered responses from a bulletin set up for IT managers and vendors asking them for the most common mistakes they ve made and then distilled them down into a list of 20 IT blunders that you should avoid. The lessons learned from these tales from the trenches touch on a wide array of IT issues and can keep you out of trouble:

1. Botching your outsourcing strategy

2. Dismissing open source -- or bowing before it

3. Offshoring with blinders on

4. Discounting internal security threats

5. Failing to secure a fluid perimeter

6. Ignoring security for handhelds

7. Promoting the wrong people

8. Mishandling change management

9. Mismanaging software development

10. Letting engineers do their own QA

11. Developing Web apps for IE only

12. Relying on a single network performance

13. Throwing bandwidth at a network problem

14. Permitting weak passwords

15. Never sweating the small stuff

16. Clinging to prior solutions

17. Falling behind on emerging technologies

18. Underestimating PHP

19. Violating the KISS principle

20. Being a slave to vendor marketing strategies

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