A top priority for organisations should be patching critical, easily exploitable vulnerabilities. WannaCry was a known vulnerability, disclosed and patchable for nearly two months before being successfully exploited due to a gap between awareness and an applied fix. This whitepaper contains an in-depth discussion on how organisations can close this gap to avoid attacks on known vulnerabilities, as well as how to use DevOps for agile methods of creating and deploying new applications. Lessons learned from 2017 malware outbreaks include lessons learned from malware outbreaks.”]