Date of Publication :13th September 2017

Abstract: The problem with Cyber security is continuously evolving nature of security threats. The traditional approach focused on high demand resources ignoring less important components at dangerous risks. Such an approach is insufficient in current environment and biggest example of this is WannaCry Ransomware attacks. This article highlights different characteristics of security threats. The globe has experienced a Ransomware cyber-attack “WannaCry” that has infected thousand computers worldwide. WannaCry has ability to spread through network by exploiting a critical vulnerability. This article also highlights preventive steps against the attack. Finally a formula is discussed to enhance Network Security.

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