Why do we need PKI?

Related questions

1. Does a PKI perform encryption?
2. Is Firefox secure?
3. What is PKI validation?
4. What is PKI and how does it work?
5. What is the use of CA certificate?
6. What is PKI signature?
7. What is Microsoft PKI?
8. How can I check if a site is safe?
9. What is mobile PKI?
10. How does CA certificate work?

Tags

1. #other
2. #security
3. #entities
4. #services
5. #transactions
6. #their
7. #public
8. #support
9. #infrastructure
10. #software
11. #related
12. #protect
13. #encryption
14. #networks
15. #combination
16. #answer
17. #enables
18. #technologies
19. #communications
20. #business