00310nas a2200121   4500000000100000000000100001008004100002260004300043100001900086700002100105700001600126245004600142       2021                            d  c1-4 Sept. 2021aPrague, Czech Republic1 aRisto Honkanen1 aMikko Myllymäki1 aIsmo Hakala00aDevelopment of Network Security Education