Twenty IT blunders that you should avoid

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