The Spamhaus Project

report

Botnet Threat Update January to June 2026

Between Jan–Jun 2026 botnet C&C servers observed decreased -30% to 14,952. Sliver overtook Cobalt Strike for the #1 spot (+58%). Meanwhile .cn botnet C&C domains surged +771% and India's PDR registrar saw a +901% spike in abused registrations - though REGRU bucked the trend with a -90% reduction. Read the latest report to learn more. 

by The Spamhaus TeamJuly 10, 20261 minutes reading time