Yeah, technology is basically a lever that increasingly grants larger power multipliers to those with access.
When high leverage technology is more accessible then it becomes a leveler for the playing field. When it's available only to those who already hold power, then it tips things drastically in whatever direction they wish and typically makes things drastically more uneven (though the Gates Foundation and others do apply their power/tech toward leveling sometimes).
I think this is one of the effects that makes our current society more fragile... bad actors (big and small) can create enormous impacts with minimal resource, and because of the nature of the Second Law, it's far easier to destroy than it is to create.
Just look at this data breach, it took enormous effort (relatively) to create a platform to identify, gather and organize all this personal data, yet look at how easily it slipped into the hands of bad actors. Bad press for FB, less trust in social networks, and who else has access to this data set? A small team who also managed to hack something like 23AndMe or another useful dataset with additional information will be able to create an even more powerful dataset with a laptop and some python scripts. Combine that with more advanced CRISPR technology and I don't even know could be possible, it's the stuff of sci-fi thrillers though.
You're absolutely right to be concerned, but I don't think this can be reigned in. The UN isn't in any position to regulate the global network, and the modern economy/society can't afford to create walled national networks, plus policing them would just be another layer of complexity.
I think the best we can do is get ready. All of this complexity will become a drag on economic growth (which requires constant gains to maintain itself, especially in the face of massive deficit spending), which will continue to lead to societal unrest and political instability... AI and robots will exacerbate the complexity and fragility more than they alleviate it and climate change, with the more volatile weather system, will create increasing opportunities for black swans to create enormous set backs.
It's unfortunate, but Russia and China are going to be in a much better position to take advantage of the increasing uncertainty and chaos than the US and EU (dictators are shitty, but much more efficient in uncertain times). I recommend moving to Australia or New Zealand if you're not looking to get caught up.