Robert Hannigan served as the director of the UK intelligence agency between November 2014 until January 2017. Hannigan spoke had a keynote speech titled Weaponising the web: Nation-state hacking and what it means for enterprise cybersecurity The former spy chief highlighted the risks associated with state-sponsored malware like WannaCry that caused billion dollars damages to organizations worldwide and severe problems to critical infrastructures, like hospitals in the UK. Hacking tools are becoming a commodity for threat actors and represent problem companies.”]
Source: https://securityaffairs.co/wordpress/73410/apt/former-gchq-russia-dangers.html