漏洞 Vulnerability CVE-2021-1577: Cisco Application Policy Infrastructure Controller任意文件写入和读取漏洞 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-capic-frw-Nt3RYxR2 安全事件 Security Incident Ragnarok勒索软件关闭后释放主密钥 https://www.bleepingcomputer.com/news/security/ragnarok-ransomware-releases-master-decryptor-after-shutdown/ 来自美色的诱惑- APT-C-09（摩诃草）组织近期攻击活动披露 https://mp.weixin.qq.com/s/_LHJYgf6l9uFYMN23fUQAA 新罕布什尔州因海外诈骗者损失230万美元 https://www.bleepingcomputer.com/news/security/new-hampshire-town-loses-23-million-to-overseas-scammers/ 未打补丁的 Microsoft Exchange 服务器遭到 ProxyShell 攻击 https://www.hackread.com/unpatched-microsoft-exchange-servers-proxyshell-attack/