00463nas a2200085   4500000000100000008004100001245005200042856021200094520007100306       2019                            d00aCybersecurity – Attack and Defense Strategies  uhttps://books.google.be/books?hl=uk&lr=&id=E7zHDwAAQBAJ&oi=fnd&pg=PP1&dq=Cybersecurity+and+defense&ots=tmqdOwvtcN&sig=3MAyyrhKd8xHCWkYYWHDpM68AYM&redir_esc=y#v=onepage&q=Cybersecurity%20and%20defense&f=false3 aFocuses on defense strategies to enhance the security of a system.