Yesterday, the world saw one of the most significant malware outbreaks for quite some time: our news feeds are full of the news of this cyber attack with institutions in many countries being impacted and reports of whole computer networks being shut down. The malware's ability to self-propagate was a significant change from what we have become used to in recent years, with possibly the most recent major outbreak of this type being the Conficker worm nearly a decade ago.
Article Link: https://blogs.forcepoint.com/security-labs/wannacry-ransomware-worm-targets-unpatched-systems