Live: GCHQ director speaks on cyber challenges facing UK

Watch live as Government Communications Headquarters (GCHQ) director Anne Keast-Butler delivers a keynote address at a cyber conference. Watch more on Independent TV: Click here to subscribe to The Independent: About The Independent: Making Change Happen. The Independent is the world’s most free-thinking newsbrand, providing global news, commentary and analysis for the independently-minded. Connect with The Independent: Check out our full video catalog: Videos, daily editorial and more: Click here to get the best of The Independent daily: Like The Independent on Facebook: Follow The Independent on Twitter: Follow The Independent on Instagram: Downloa