00350nas a2200121   4500000000100000000000100001000000100002008004100003260007300044653001900117100002100136245007100157       2010                            d  c2010bInstitute of Information and Communication TechnologiesaSofia10aIT4Sec reports1 aZlatogor Minchev00aInformation Processes and Threats in Social Networks: A Case Study