00360nas a2200121   4500000000100000000000100001000000100002008004100003260007300044653001900117100002100136245008100157       2011                            d  c2011bInstitute of Information and Communication TechnologiesaSofia10aIT4Sec reports1 aZlatogor Minchev00aCybersecurity and cyberdefence – elements of smart defence in 21st Century