They say hindsight’s a wonderful thing, but knowing what you know now - with your wins and failures of the last decade behind you - what would you do differently if you could press a wipe-clean button and restart how you keep your tech stack secure? With big swathes of your teams and ecosystem now working flexibly, and with many set to stay that way, Brian Brackenborough, CISO at Channel 4, believes now is the time to act: “It's hard to think of any new business starting up these days wi...