The Altxerri cave in Aia, Spain, contains cave paintings estimated to be roughly 39,000 years old. Some of the oldest-known in existence, these drawings depict bison, reindeer, aurochs, antelopes and other animals and figures.

It is what Xabi Uribe-Etxebarria calls one of the first forms of “data storage.” 

But, we’ve obviously come a long way from cave drawings. Data collection has accelerated over millennia; in just the last decade, its collection and storage has grown at a pace never before seen — as have attacks on it.

As such, “our privacy is at risk,” said Uribe-Etxebarria. “So, we must take action.”

Uribe-Etxebarria’s company, S...