漏洞 Vulnerability CVE-2021-27219: redhat glib2 整形溢出漏洞 https://access.redhat.com/errata/RHSA-2021:2147 CVE-2021-23017: nginx DNS解析漏洞PoC公开 https://www.x41-dsec.de/lab/advisories/x41-2021-002-nginx-resolver-copy/ 安全事件 Security Incident 2021年第一季度移动端IT威胁演变 https://securelist.com/it-threat-evolution-q1-2021-mobile-statistics/102547/ Avaddon勒索软件 https://www.welivesecurity.com/la-es/2021/05/31/ransomware-avaddon-principales-caracteristicas/ 瑞典卫生局在黑客攻击后关闭 SmiNet https://www.bleepingcomputer.com/news/security/swedish-health-agency-shuts-down-sminet-after-hacking-attempts/ 食品巨头JBS Foods在网络攻击后停产 https://www.bleepingcomputer.com/news/security/food-giant-jbs-foods-shuts-down-production-after-cyberattack/