BioPassword A software-based technology that learns and verifies unique typing patterns. Includes an introduction to biometrics and keyboard dynamics. http://www.biopassword.com/

Open Systems Management Password synchronization and role based access control across UNIX, Windows NT and resident applications. Site contains FAQs. http://www.osmcorp.com/

Secure Remote Passwords Software integrates into existing networked applications. Secure telnet and FTP available. Open source. User and technical documentation as well as source code. http://srp.stanford.edu/

Blockade Systems Password synchronization and enterprise-wide access control management software. Includes a return-on-investment calculator. http://www.blockade.com/

Unisys Makers of several related products. Site includes rationale as well as comprehensive usage information. http://www.unisys.com/

Ankari Offers authentication, network security software, and IT security solutions. Includes white papers and introductory material. http://www.ankari.com/

RSA Security Products include token-based one time password systems and single sign on systems. Site contains information on security. http://www.rsasecurity.com/

Theory of Identification and Authentication History and development of mechanisms and techniques. http://www.geocities.com/SiliconValley/Garage/3323/cspage.html

Vasco Makers of both software and hardware systems. Demos, case studies and product information. http://www.vasco.com/

SecureUser.net Providers of tools to e-commerce developers. Site includes a technology explanation and case studies. http://www.SecureUser.net

IIS User Authentication Tutorial Information on various methods for WWW password protection using Internet Information Server (IIS). Text-based tutorial with some screenshots. http://www.authenticationtutorial.com/

iisPROTECT Functions with Internet Information Server to secure web sites. Includes live demo. http://www.iisPROTECT.com/

iDEX Systems, Inc. Java-powered iButton based personal identity management security services and digital certificate authentication for secure logon, secure messaging, and digital signatures. http://www.idexsys.com

Flicks Software Software password protects web content (Windows NT / 2000). Free trial downloads available. http://www.flicks.com

Remote User Authentication in Libraries Comprehensive collection of resources for libraries and universities. Includes links to software and some links of interest to non-librarians. http://library.smc.edu/rpa.htm

iT_SEC A switzerland-based company providing consulting services. Tri-lingual site describes their philosophy, and answers questions about their technologies. http://www.it-sec.com/index_e.php

I/O Software Provider of software solutions, including biometric solutions. Site includes product descriptions and technology licensing terms. http://www.iosoftware.com/

A Proactive Password Checker Paper by M. Bishop, 1991. The author describes a technique, and a mechanism, to allow users to select passwords which to them are easy to remember but to others would be very difficult to guess. [Postscript] http://seclab.cs.ucdavis.edu/papers/mb91c.ps

Password Management Paper by M. Bishop, 1991. Discusses problems of password selection and password management, and identifies relevant techniques. [PDF] http://seclab.cs.ucdavis.edu/papers/pdfs/mb-91.pdf

Dos and Don'ts of Client Authentication on the Web Paper by Kevin Fu, Emil Sit, Kendra Smith, and Nick Feamster. In the Proceedings of the 10th USENIX Security Symposium, Washington, D.C., August 2001. [PDF] http://www.pdos.lcs.mit.edu/papers/webauth:sec10.pdf