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Botnet Threat Update Q1 2021

ID: 4ae648cc-6fe0-58fa-860b-508c5ca9fd4d

STIX ID: report--4ae648cc-6fe0-58fa-860b-508c5ca9fd4d

Feed Name: The Spamhaus Project

Threat Score
30/100

Date Published: 2021-04-15

Date Updated: 2026-04-30

Author: The Spamhaus Team

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This Q1 2021 intelligence summary highlights that Namecheap remains the top abused registrar for botnet command-and-control domains, while Eranet International and RegRU showed large percentage increases (249% and 341% respectively) in botnet C&C domain registrations; the note describes abuse trends but includes no technical IOCs or impact details.

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