The good guys of the hacking world no longer need to notify system owners of security risks for purely altruistic reasons; white hat hacking is now big business.
Information security analysts, as their payslips commonly describe them, can expect a salary of between $79,000 (£71,221) - $95,000 (£85,644) per annum in the USA. They have their outlaw cousins in the black stetsons to thank, as cybercrime today costs the global economy around $445 billion (£401 billion) every year.
The headwear nomenclature has its roots in classic westerns, a trope recently revived in the Westworld series. Whether their motivations are in ego, ethics or economics, here are seven of the top white hat hackers.