Threats to Your Business: an Incomplete List

When you analyze the threats to your business, you can think over the weakness of your business.
Its’ much easier to let a business fail than let it succeed. The reasons why a business fails are many: such as your biz strategy, etc.
Today I’ll list a very incomplete list of threats to biz.
1. virus takes your site or blog down
2. you use the wrong marketing tools, and fail to use the right marketing tools
3. other’s generosity is your poison
4. legal problems
5. cheat by others, such as phishing, money mule
6. competitors

You are welcome to add more to this list.