Microsoft is warning of a four new Windows vulnerabilities that are “wormable,” meaning they can be exploited to spread malware from one vulnerable computer to another without any user action in much the way the self replicating WannaCry and NotPetya outbreaks did in 2017. In such networks, its possible for exploits to ricochet from computer to computer. Leaving NLA on makes it harder for attacks to spread, since attackers must first have network credentials. The growing use of hacking tools...

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