Generally, it’s a battle we’ve never won and never will. The hacking industry will always be at least one step ahead and are able to operate in a much more focused way.
I do think that for specific use cases the solution is available already for (mobile) devices. For for example crypto wallets and digital identities the Secure Enclave should be a great asset, especially as that tech (hopefully) continues to be further developed.
But it will most likely be something which will only be present in high end devices for the next few years.
But we shouldn’t delude ourselves. There’s no way we can ever fight, let alone win the fight, against the ridiculous amounts of money the national security services throw at it and also pay hacking companies.
Related: Palantir.