Lawrence C Hurst

US Patent:

20150254452, Sep 10, 2015

Filed:

Nov 25, 2013

Appl. No.:

14/359437

Inventors:

Tobias M. Kohlenberg - Portland OR, US
Lawrence Hurst - San Francisco CA, US
Hong Li - Folsom CA, US

International Classification:

G06F 21/46
H04L 29/08
H04L 29/06

Abstract:

Methods, apparatus, systems and articles of manufacture are disclosed to manage password security. An example apparatus includes an alarm action engine to invoke a provisional transmission block in response to detecting entry of a candidate password, a password linkage monitor to retrieve a list of password hash values associated with previously used passwords, and to compare the list of password hash values to a hash of the candidate password, the alarm action engine to invoke a permanent block of the candidate password when a match condition occurs between the hash of the candidate password and a hash of one of the list of password hash values.