There is a new tool out called iPhone Password Breaker that can get access to any password-protected backups for all iPhones and iPod Touch.
Supposedly used for forensic investigations, I can see many ways how iPhone Password Breaker could be used by jealous husbands, or angry wives, for example…
Note that this tool will not help you bypass the password protection of an iPhone or iPod Touch. It will bypass the password protection of a backup.
The new tool recovers the original plain-text password that protects encrypted backups containing address books, call logs, SMS archives, calendars, camera snapshots, voice mail and email account settings, applications, Web browsing history and cache.
How would you use this?