Is it safe to wipe free space with CCleaner?

Related questions

1. What is the purpose of CCleaner?
2. Is CCleaner registry cleaner safe?
3. Are Registry Cleaners safe?
4. Who bought CCleaner?
5. Is CCleaner really useful?
6. Is CCleaner hacked?
7. Is piriform CCleaner any good?
8. Does CCleaner still have malware?
9. Does CCleaner remove malware?
10. What removes CCleaner?

Tags

1. #substantial
2. #right
3. #means
4. #wiping
5. #ccleaner
6. #wiper
7. #parts
8. #allowing
9. #could
10. #recovered
11. #given
12. #amount
13. #deleted
14. #areas
15. #someone
16. #reconstruct
17. #includes
18. #drive
19. #never
20. #software
21. #space
22. #files