Owner Visto Corporation

Inventors Mendez, Daniel; Ng, Mason

Agent Pipers

Pub. Number AU-B-2003259893

PCT Number PCT/US03/25795

PCT Pub. Number WO2004/015576

Priority 60/402,287 09.08.02 US

Filing date 9 August 2003

Wipo publication date 25 February 2004

Acceptance publication date 12 March 2009

G06F 21/24 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

G06F 11/30 (2006.01) Error detection - Monitoring

G06F 12/14 (2006.01) Accessing, addressing or allocating within memory systems or architectures - Protection against unauthorised use of memory

G06F 15/00 (2006.01) Digital computers in general

G06F 21/00 (2006.01) Security arrangements for protecting computers or computer systems against unauthorised activity

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

H04L 9/00 (2006.01) Arrangements for secret or secure communication

H04L 9/32 (2006.01) Arrangements for secret or secure communication - including means for verifying the identity or authority of a user of the system

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

H04L 29/08 (2006.01) Arrangements, apparatus, circuits or systems, not covered by a single one of groups - Transmission control procedure, e.g. data link level control procedure