Cyber Risks · GreyNoise Blog

4 Ways Grey Noise Improves SOC Outcomes

Summary: GreyNoise describes four ways SOC teams use its internet-wide scan and attack observations, delivered into the SIEM, to classify source IPs by behavior. The four uses are filtering firewall and WAF logs to exclude known mass scanners, correlating allowed inbound traffic against GreyNoise intelligence, matching VPN and identity-provider authentication logs to flagged IPs, and checking outbound connections to malicious infrastructure for signs of compromise.

What's compelling: The pitch rests on a single distinction: an alert from an IP GreyNoise has never seen scanning the internet is treated as a stronger signal of targeted activity than one from the constant mass-scanning background. A successful authentication from a GreyNoise-flagged IP is framed as an immediate high-priority alert, which puts identity infrastructure at the center of the exposure.

Read the original at GreyNoise Blog ↗

Topics
Detection & Response
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