00413nas a2200121   4500000000100000000000100001000000100002008004100003260007300044653001900117100002100136245013400157       2010                            d  c2010bInstitute of Information and Communication TechnologiesaSofia10aIT4Sec reports1 aZlatogor Minchev00aThreats and Challenges in Social Networks. A European Glance and Alliance Perspective in the Context of the New Strategic Concept