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Head Mare delivers PhantomCore and PhantomGraph backdoors via an unpatched TrueConf server | Securelist

๐Ÿ“… August 12, 2026 ๐Ÿ“ฐ securelist.com ๐Ÿ” 0 CVE(s) referenced

Head Mare APT exploited zero-day vulnerabilities in TrueConf servers to deliver backdoors via compromised video conferencing installers, targeting Russian organizations across multiple sectors.

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