효율적인 에너지 관리에 대한 관심이 증가하면서, 스마트그리드 기술이 주목 받고 있다. 스마트그리드 기술은 거의 실시간으로 전기수요를 예측하여 전력의 낭비를 줄이고, 정확한 전력 품질 측정을 통한 전력 품질 개선에 목적이 있다. 그러나 스마트미터들이 네트워크로 서로 연결되어 있으므로, 보안에 대한 고려 없는 스마트그리드 기술의 적용은 국가 전체의 사이버 안전에 큰 위협이 된다. 따라서 안전한 스마트그리드 구축을 위해서는 AMI전체에 대한 보안을 고려하여야 하고, 특히 AMI에서 가장 중요한 부분인 스마트미터와의 네트워킹 부분에 대한 보안이 가장 중요하다. 본고에서는 AMI에 대해 알아보고, 이에 대한 보안위협 사례를 분석하여 스마트미터에 발생 가능한 보안 위협 및 대응방안을 기술하였다. 또한 앞서 언급한 스마트미터들을 연결하는 네트워크의 보안을 위하여 PANA 프로토콜이 필요함을 보이고, PANA 프로토콜의 특징을 기술하였다.
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