Found 2 books

THE BUSINESS CASE FOR NETWORK SECURITY - ADVOCACY, GOVERNANCE, AND ROI

[en] THE BUSINESS CASE FOR NETWORK SECURITY - ADVOCACY, GOVERNANCE, AND ROI Cisco Press

Paquet, Catherine & Saxe, Warren

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The Business Case for Network Security · Advocacy, Governance, and ROI

[en] The Business Case for Network Security · Advocacy, Governance, and ROI Cisco Press

Paquet, Catherine & Saxe, Warren

download read it!