[ypkuby]

Have you considered getting your own non-isp supplied network gear, running a firewall and just monitoring it, setting up rules and triggers, etc?

That's what I'm doing at home, I also monitor news for threats happening and some sample payloads, IPs, and add to my block list.

Its not bulletproof, but I'd say 70% at least gets blocked.

[bored_kitty]

Sorry to jump in, but is it possible to monitor for cyber bullying using these methods?

[poglet]

Chat apps encrypt the messages as they are sent over the network preventing you from monitoring them.

[ypkuby]

This is where correlation would have to occur.

You see your son/daughter upset at 5:30 PM.

Suppose logs show your son/daughter was accessing IPs associated with Facebook/Messenger at 5:28 PM.

One could reasonably infer that something/someone upset them.

[cpach]

How would that work? I can’t see how the surveillance software would distinguish a benign message from a malign one. For example ”you’re so cool” could be either a compliment or an insult, depending on the context.