00441nam a2200157Ia 4500 20260502143204.0 260502s9999 xx 000 0 und d 978-1-4842-5951-1 005.8 BLU Blum, Dan Rational Cybersecurity for Business : The Security Leaders' Guide to Business Alignment Apress New York 2020 pg 333 Computer Science REF 3742 3742