The technology giant and third-party security vendors are plotting an ambitious overhaul of how their products interoperate.

Every time you pay online, your data is protected by a maths problem nobody has proved is unbreakable. Here is what that means, and why the world is already preparing for the worst.

When Anne Wojcicki was considering whether she should try to save her life’s work, genetic testing pioneer 23andMe, from bankruptcy last year, many within her inner circle offered the same advice.