Twenty ISPs Responsible For Half Of All Spam
ID: 12e4e201-8994-5dbe-aa57-8a321af16aa9
STIX ID: report--12e4e201-8994-5dbe-aa57-8a321af16aa9
Feed Name: Security Ledger
This article summarizes research from the University of Twente showing that a disproportionate amount of spam and phishing activity originates from a small number of ISPs—so-called “bad neighborhoods”—and notes that sophisticated attackers increasingly use techniques like watering-hole compromises of legitimate websites.
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