Portugal - Lisbon Web Summit: Keeping hacking attacks at bay: Al Jazeera English

Al Jazeera English

Published on Nov 10, 2016

Online security experts are still working to understand how a hacking attack last month was able to bring down much of America's internet.

A similar attack also caused problems in Liberia last week.

Al Jazeera's technology editor Tarek Bazley reports from the Web Summit in Lisbon, Portugal.