局域网勒索病毒的防护策略研究——以WannaCry为例

Study on the Protection Strategy of Local Area Network WannaCry——Taking WannaCry as an Example

近年来,随着信息安全技术的不断进步,安全研究人员破解加密勒索病毒的技术也在不断提高,但是攻击者使用的加密方式也在不断升级,各类勒索病毒攻击令人防不胜防。WannaCry勒索病毒为局域网安全带来了巨大威胁和挑战,笔者在分析WannaCry勒索病毒的传播方式、攻击危害和工作原理的基础上,提出了一套有效的防护策略,为局域网应对勒索病毒类攻击提供了一定的参考。

In recent years,with the continuous improvement of information security technology,security researchers crack the technology of encryption and extortion virus is also increasing,but the encryption method the attackers use is also escalating,all kinds of extortion virus attack is very difficult to prevent.WannaCry has brought great threat and challenge to LAN security.Based on the analysis of WannaCry transmission,attack hazard and working principle,the author puts forward an effective protection strategy,provides a reference for the local area network to deal with the blackmail attack..