Safe DNSBLs for Safe Filters
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Blocked? To check, get info and resolve listings go to
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Q4 saw a 23% rise in the number of new botnet command and controllers (C&Cs) identified by our research team. Despite this increase, our researchers are aware of botnet C&C activity they cannot track due to communications being made via DNS over HTTPS (DoH). This is worrying and certainly tilts the scales in the cybercriminals’ favor.
Welcome to the Spamhaus Botnet Threat Update Q4 2021.
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