Sudden Telnet Traffic Drop. Are Telcos Filtering Ports to Block Critical Vulnerability?

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By EditorDavidFeb 14, 2026, 11:34 am93 ptsTrending
An anonymous reader shared this report from the Register: Telcos likely received advance warning about January's critical Telnet vulnerability before its public disclosure, according to threat intelligence biz GreyNoise. Global Telnet traffic "fell off a cliff" on January 14, six days before security advisories…

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