Hundreds of servers in US public schools are vulnerable to ransomware such as Eternal Blue or RobbinHood , remaining un - patched for years after the worldwide virus infection . Researchers found a Microsoft Windows ' protocol remained open to attack , despite emergency patches issued by the software giant , prompting speculation about what other vulnerability may exist .
Hundreds of servers in US public schools are vulnerable to ransomware such as Eternal Blue or RobbinHood, remaining un-patched two years after the worldwide WannaCry infection. Researchers found a Microsoft Windows' protocol remained open to exploitation, despite emergency patches dispensed by the tech giant, prompting questions about what other vulnerabilities may exist.