Collaborate Disseminate
We’re delighted to introduce Dave Piscitello as our first guest writer to the Spamhaus Blog…. Continue reading Weaponizing domain names: how bulk registration aids global spam campaigns
When things move to the "cloud", sadly, good things don’t always follow…. Continue reading Amazon Web Services – thwarting spam with a decade-old best practice
Spamhaus tracks both Internet Protocol (IP) addresses and domain names used by threat actors… Continue reading Spamhaus Botnet Threat Report 2019
Our researchers have uncovered a new breed of “bulletproof” hosting. Worryingly,… Continue reading Bulletproof hosting – there’s a new kid in town
As many of you will be aware, Emotet, one of the most dangerous botnets in operation, restarted… Continue reading Estimating Emotet’s size and reach
You would be right to assume that malware authors and botnet operators in the Northern Hemisphere… Continue reading Spamhaus Botnet Threat Update: Q3-2019
Spamhaus’ primary data sets are published in DNS zones known as DNSBLs. Users of that data… Continue reading Spamhaus DNSBL return codes: technical update
On numerous occasions we hear the argument from companies offering Internet related services… Continue reading Enable badness and the stats will speak for themselves
Blocking by domain, rather than IP address, is arguably the most effective strategy to protect… Continue reading MTA developers: allow use of domain DNSBLs at the SMTP level
In this quarter, Botnet command & control (C&C) traffic remains significantly above… Continue reading Spamhaus Botnet Threat Update: Q2-2019