The Latest on a widespread cyberattack that is affecting companies and government systems (all times EDT):6:20 p.m.A Pennsylvania health care system says it is taking steps to restore its computer network after being hit by a ransomware attack that was carried out globally. Then, just as a few dropped matches can feed a forest fire, the ransomware spread rapidly from there. Merck confirmed its computer network was "compromised" as part of the global attack. In a message sent using its verified Twitter account, Merck confirmed Tuesday that its computer network was "compromised" as part of a global attack. Russia's Rosneft energy company also reported falling victim to hacking, as did shipping company A.P.

Source: ABC News June 27, 2017 14:54 UTC