Full coverage: Privacy

It may have been a coincidence, but the days surrounding the billionaire’s deal to acquire Twitter with the self-confessed goal of deregulating the platform saw a series of events going in the opposite direction in Europe.

Irish entrepreneur Cillian Kieran's data privacy start-up Ethyca has just closed its second funding round. In an in-depth interview, he discusses dealing with investors in Wall St and Silicon Valley, doing business in the US amid a pandemic and civil rights protests – and disputes the suggestion that the liquidation of his previous business was a failure.

A failed car dealership accused of money laundering allegedly ran its business from a gmail account. Should Google hand over the contents to the liquidator? The High Court must decide.

Dylan Collins spent years trying to attune investors to the merit of his “kid tech” company. Now, SuperAwesome is being wooed by US bankers keen for a piece of a mooted $600m IPO. Just how did he do it? And what comes next?

Broadlake’s Pete Smyth finds out what principles guide Evervault, the business of teenage online privacy entrepreneur Shane Curran.

Altada was heralded by global research firm Gartner. IBM liked its product. But a courtroom battle between its founders took the company into examinership.