System and method for providing multi-class processing of...

Details System and method for providing multi-class processing of... System and method for providing multi-class processing of...

2002-02-06

2008-09-02

Barron, Gilberto (Department: 2132)

Information security

Access control or authentication

Network

C713S163000, C713S183000

Reexamination Certificate

active

07421733

ABSTRACT:
When a user successfully logs into an account, the user is provided with a first-class login token, which entitles the user to one or more unsuccessful login attempts without experiencing delays the user would otherwise experience. If attempts with a second-class login token or an expired first-class login token is impermissible, a subsequent login attempt is subject to delays the user would otherwise not experience. The delays minimize the effectiveness of dictionary attacks. Additionally, if the user attempts to login without a login token or an invalid login token, the login attempt is impermissible and the user is provided with a second-class login token for use in a delayed, subsequent login attempt.

REFERENCES:
patent: 5491752 (1996-02-01), Kaufman et al.
patent: 5559505 (1996-09-01), McNair
patent: 5907921 (1999-06-01), Rose et al.
patent: 6202158 (2001-03-01), Urano et al.
patent: 6304906 (2001-10-01), Bhatti et al.
patent: 6438597 (2002-08-01), Mosberger et al.
patent: 6883095 (2005-04-01), Sandhu et al.

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