A poster was recently issued https://www.theregister.co.uk/2020/02/14/silly_police_infosec_parental_advice_poster/ by the West Midlands Regional Organised Crime Unit, also bearing the logo of the National Crime Agency, warning parents to watch out for certain signs of delinquency on their children’s computer, such as use of virtual machines, Kali Linux, Discord and various other things.

The NCA have disavowed any knowledge of the poster.