http://www.peertopatent.org/patent/46/prior_art/list Security systems for protecting assets are described, including password-based security systems that can provide different levels of access responsive to entry of a primary or secondary password. In some versions, user-configurable security rules can provide customized responses to entry of primary or secondary passwords, including feigned or limited access, security alerts, etc. Passwords comprising overt and covert components can be used to provide enhanced security and improved user control over system response. Improved security systems involving transactions between multiple parties are also considered, with options for user-customized security rules including primary and secondary passwords, and reverse challenge and response methods. Systems for Limited Use Credentials are also disclosed to reduce the risk of identity theft. en-us Security systems for protecting an asset Title: <br/>ISBN: <br/>Description: Lotus is a client/server database application. Users traditionally accessed Notes database with a Notes ID (public key/private key encryption). Domino turns Notes databases into HTML so that they can be accessed through a web browser. By version 4.6 (released in 1997), the system stored Person documents for users with information on the Notes ID (for Notes access) and information on HTTP passwords (if the same user accessed the system through the Web. Fri, 08 Feb 2008 21:28:27 -0800 http://www.peertopatent.org/prior_art/167/detail Security systems for protecting an asset Title: Security System User's Manual Security Manager 2000<br/>ISBN: <br/>Description: This is a keypad that controls a home alarm system. There are three sets of passwords for the system: (1) Main code (used for complete access -- aka primary password) (2) Babysitter code (used for secondary access -- aka secondary password) (3) Duress code (a fake password that when entered calls the police) Fri, 08 Feb 2008 21:10:56 -0800 http://www.peertopatent.org/prior_art/166/detail Security systems for protecting an asset Name/Title: TrueCrypt<br/>System Type: Application Program<br/>Description: Hidden volumes feature (http://www.truecrypt.org/docs/hidden-volume.php) in TrueCrypt implements the password-dependent access control to encrypted data. One password gives access to a regular volume (with no sensitive information) the other password allows to access a hidden volume that may contains confidential information. Thu, 06 Dec 2007 18:25:22 -0800 http://www.peertopatent.org/prior_art/99/detail Security systems for protecting an asset Title: Rubberhose cryptographically deniable transparent disk encryption system<br/>Description: A software product for Linux that provides deniable encryption of a hard drive. The user enters one of a set of passphrases, and each provides access to a different encrypted aspect of the drive. One or more aspects may be primary and others may be feigned. Thu, 06 Dec 2007 15:18:29 -0800 http://www.peertopatent.org/prior_art/98/detail