White House Homeland Security Advisor Tom Bossert briefed the press on 19 December 2017 regarding the US Government's finding that North Korea was responsible for the WannaCry 2.0 Ransomware attack in May, which disrupted computer operations in more than 150 countries.

Bossert highlighted the  collaboration between government and private sector cyber security experts that led to the attribution, noting this partnership is a key component of the US strategy to mitigate the threat of malicious cyber operations.

Watch the Press Briefing: