Can 256 bit encryption be broken?

Related questions

1. What is hash cracker?
2. How long does it take to break 256 bit encryption?
3. Why is md5 not cryptographically secure?
4. How many Facebook accounts are hacked each day?
5. What are characters in a username?
6. How many passwords can a computer guess per second?
7. What is the difference between md5 and sha256?
8. Can Trojans steal passwords?
9. How long does it take to crack a 10 character password?
10. Why is SHA used?

Tags

1. #computer
2. #their
3. #would
4. #crack
5. #impractical
6. #about
7. #derives
8. #security
9. #wildly
10. #lengths
11. #algorithms
12. #cipher
13. #broken
14. #conventional
15. #today
16. #needs
17. #system
18. #quantum
19. #encryption
20. #using