What is the best defense against phishing?

Related questions

1. Why do people use bit ly?
2. Can I delete a TinyURL?
3. Can you get hacked by clicking on a link?
4. Is bit ly free?
5. Why doesn't my YouTube Channel show up when I search for it?
6. What is Bitly good for?
7. What is TinyURL used for?
8. How long do bit ly links last?
9. How does Bitly earn money?
10. Are tiny URLs permanent?

Tags

1. #blocking
2. #spear
3. #improve
4. #attacks
5. #security
6. #campaigns
7. #successful
8. #effective
9. #targeted
10. #standard
11. #solutions
12. #defenses
13. #awareness
14. #training
15. #protect
16. #phishing
17. #against