Owner Microsoft Corporation

Inventors Pearo, Chris; Saunders, Stillman T.; Forschler, Lucas J.; Himberger, Andrew M.

Agent Davies Collison Cave

Pub. Number AU-B-2003262473

Priority 10310269 05.12.02 US

Filing date 24 November 2003

Wipo publication date 24 June 2004

Acceptance publication date 28 May 2009

G06F 21/20 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

G06F 15/00 (2006.01) Digital computers in general

G06F 15/16 (2006.01) Digital computers in general - Combinations of two or more digital computers each having at least an arithmetic unit, a programme unit and a register, e.g. for a simultaneous processing of several programmes

G09C 1/00 (2006.01) Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system

H04L 29/06 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - characterised by a protocol