https://www.ithome.com.tw/news/143581
https://cloud.tencent.com/developer/article/1458241
https://www.fortinet.com/content/dam/fortinet/assets/white-papers/zh_cn/WP-Mapping-The-Ransomware-Landscape.pdf
https://www.blackberry.com/content/dam/blackberry-com/Documents/pdf/zh/ws-ransomware-recovery-solution-whitepaper_zh.PDF
https://secure2.sophos.com/zh-cn/security-news-trends/whitepapers/gated-wp/ransomware-cyberthreat.aspx
https://www.cisco.com/c/dam/global/zh_cn/solutions/enterprise-networks/ransomware-defense/pdfs/cisco_ransomwaredefenseevaluationform_whitepaper_sc.pdf
https://www.kaspersky.com.cn/enterprise-security/resources/white-papers
https://lenovonetapp.com/pdf/ransomware_so.pdf