漏洞 Vulnerability Print Shellz：HP打印机两个安全漏洞 https://nvd.nist.gov/vuln/detail/CVE-2021-3769 安全事件 Security Incident BlackTech 近期的攻击活动 http://report.threatbook.cn/BL.pdf 英国工党披露勒索软件攻击后数据泄露 https://www.bleepingcomputer.com/news/security/uk-labour-party-discloses-data-breach-after-ransomware-attack/ Free Discord Nitro网络钓鱼主要针对Steam玩家 https://www.bleepingcomputer.com/news/security/beware-free-discord-nitro-phishing-targets-steam-gamers/ Lockean多个勒索软件分支机构与袭击法国组织有关 https://www.bleepingcomputer.com/news/security/lockean-multi-ransomware-affiliates-linked-to-attacks-on-french-orgs/ 乌克兰将Gamaredon黑客组织成员与俄罗斯联邦安全局联系起来 https://www.bleepingcomputer.com/news/security/ukraine-links-members-of-gamaredon-hacker-group-to-russian-fsb/ CISA通过指令，强制联邦民事机构修复306个漏洞 https://www.zdnet.com/article/cisa-passes-directive-forcing-federal-civilian-agencies-to-fix-306-vulnerabilities/