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threat intel
The Invisible Army: Why IP Reputation Fails Against the Rotation Economy
Attackers increasingly route malicious traffic through residential internet connections that rotate quickly, making IP reputation systems ineffective. GreyNoise analysis of 4 billion sessions found that 39% of IPs targeting edge infrastructure originate from residential address space, with 78% disappearing after just 1-2 sessions before reputation feeds can identify them. Detection strategies must shift from source-based assessment to behavioral analysis of the traffic itself.
Why it matters: Security teams relying on IP reputation for threat detection face a critical gap: attackers are circumventing traditional defenses through fast-rotating residential proxies, requiring immediate adoption of behavior-based detection methods.
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