Is free slack secure?

Related questions

1. Why should I use slack?
2. What is slack desktop app?
3. What are the uses of slack?
4. What's the point of slack?
5. What is slack built with?
6. How secure is slack?
7. Where do slack downloads go?
8. How does Slack make money?
9. How long is slack free?
10. How much does Slack cost per month?

Tags

1. #slack
2. #watertight
3. #anything
4. #sensitive
5. #treat
6. #platform
7. #secure
8. #confidential
9. #corporate
10. #valuable
11. #great
12. #passwords
13. #secrets
14. #conversations
15. #should
16. #place
17. #highly
18. #customer
19. #share
20. #never
21. #doesn