An investigation into this summer’s Twitter hack by the New York State Department of Financial Services (NYSDFS) has ended with a stinging rebuke for how easily Twitter let itself be duped by a “simple” social engineering technique — and with a wider call for key social media platforms to be regulated on security. In the report, the NYSDFS points, by way of contrasting example, to how quickly regulated cryptocurrency companies acted to prevent the Twitter hackers scamming even more people — arguing this demonstrates that tech innovation and regulation aren’t…