Robert Schifreen

Defeating the Hacker: A non-technical guide to computer security  Robert Schifreen Hardcover. Wiley, 2006-05-05 ISBN 9780470025550     Data protection and security for personal computers: A manager's guide to improving the confidentiality availability and integrity of data on personal computers and local area networks  Robert Schifreen Elsevier Advanced Technology, 2006-02-07 ISBN 9781856171632