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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[–] 4 points 9 months ago* (last edited 9 months ago)

Bad news on the backbone
I couldn't scan a single ASN

I'm trying to figure out what pronunciation or accent the author uses to have this rhyme. A heavy South African accent, so backbone is more like "berckben"? Pronouncing ASN as "a-sone"?

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