Here’s a non-paywalled link to an article published in the Washington Post a few days ago. It’s great to see this kind of thing getting some mainstream attention. Young children have not made an informed decision about whether they want their photos posted online.
Of course it can. Go brute-force a quantum resistant algorithm with a reasonably sized encryption key and call me when you’re done.
You just got to be overly paranoid as it will serve you better long term