If your losst ypur passwords, you can try to crack your operating system and application passwords with various password‐cracking tools: ✓Brutus cracks logons for HTTP, FTP, telnet, and more. ✓Cain & Abel cracks LM and NT LanManager (NTLM) hashes, Windows RDP passwords, Cisco IOS and PIX hashes, VNC passwords, RADIUS hashes, and lots more. (Hashes are cryptographic representations of passwords.)