Early Warning Signs of CVEs | Grey Noise Intelligence

Summary: GreyNoise research shows that spikes in traffic targeting older CVEs often precede new CVE disclosures for that same vendor within weeks. The company says detecting these shifts in attacker reconnaissance before disclosure gives organizations a window to harden systems, patch, monitor, or block probing IPs.
Bottom line: A new CVE on critical perimeter systems can trigger emergency response and disruption, and GreyNoise is arguing that the reconnaissance signal for it may already be visible weeks earlier - the question is whether anyone is watching that signal for the vendors you depend on.

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