On January 14, 2026, global telnet traffic observed by GreyNoise sensors fell off a cliff. A 59% sustained reduction, eighteen ASNs going completely silent, five countries vanishing from our data entirely. Six days later, CVE-2026-24061 dropped. Coincidence is one explanation.

The pattern points toward one or more North American Tier 1 transit providers implementing port 23 filtering

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[–] 1 point 9 months ago (1 child)

Similar memories here. The first time I went on IRC using a Palm Pilot connected to a Ricochet modem, while in a moving vehicle (not driving!) felt like magic.

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