Oddities in WannaCry ransomware puzzle cybersecurity researchers

By Jeremy WagstaffSINGAPORE (Reuters) - The WannaCry malware that spread to more than 100 countries in a few hours is throwing up several surprises for cybersecurity researchers, including how it gained its initial foothold, how it spread so fast and why the hackers are not making much money from it.Some researchers have found evidence they say could link North Korea with the attack, but others are more cautious, saying that the first step is shedding light on even the most basic questions about