It's not people you stop trusting, it's the internet. So you don't use the internet so much, and go back to real people met face-to-face, physical money, and local traders. Could be worse.
this (shortened; you can find it and read it all if you're interested) from Davos day 2 was reported in the Guardian:
"Catastrophic cyberattack likely in the next two years, business chiefs fear
Most business leaders fear that global geopolitical instability means a catastrophic cyberattack will...