{"title":"Advanced persistent threats and the “big four”: State-sponsored hackers in China, Iran, Russia, and North Korea in 2003–2021","authors":"Nori Katagiri","doi":"10.1080/01495933.2024.2317251","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":35161,"journal":{"name":"Comparative Strategy","volume":"362 7","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Comparative Strategy","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/01495933.2024.2317251","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Social Sciences","Score":null,"Total":0}