Nevertheless, the question of proportion must be looked at very closely when it comes to CSAM scanning on our personal devices: Is it okay that the EU introduces mass surveillance mechanisms for all EU citizens in an attempt to tackle child sexual abuse?To find an answer to the question of proportionality, we need to blank out the propaganda of the EU Commission and instead ask several questions: 1.Another question that is very important when introducing surveillance measures to tackle child sexual abuse is the one of effectiveness.The vast majority of children are victims of people they trust.” This begs the question: How is scanning for CSAM on every chat message going to help prevent child sexual abuse within the family, the sports club or the church?To find out whether monitoring of private messages for CSA material may help tackle child sexual abuse, we must take a look at actual monitoring data that is already available."