GreyNoise 2025 Mass Internet Exploitation Report: Attackers Are Moving Faster Than Ever — Are You Ready?

GreyNoise's 2025 report highlights a significant escalation in automated mass internet exploitation, targeting both novel and legacy vulnerabilities often before inclusion in Known Exploited Vulnerabilities (KEV) catalogs. Threat actors are increasingly leveraging automation to scale attacks, with ransomware groups specifically utilizing these methods to compromise systems rapidly. The report emphasizes that exploitation velocity is outpacing traditional defense mechanisms, creating critical risk for organizations relying on delayed patching cycles. Impact includes widespread potential compromise across internet-facing assets. Mitigation strategies necessitate the adoption of real-time threat intelligence to identify and block exploitation attempts immediately. Organizations must prioritize vulnerability management and integrate automated defense solutions to counter the speed of modern attackers. Reliance on static defenses is insufficient against such dynamic, large-scale exploitation campaigns targeting common CVEs throughout 2024.

Attackers are automating exploitation at scale, targeting both new and old vulnerabilities — some before appearing in KEV. Our latest report breaks down which CVEs were exploited most in 2024, how ransomware groups are leveraging mass exploitation, and why real-time intelligence is critical.

GreyNoise's 2025 report highlights a significant escalation in automated mass internet exploitation, targeting both novel and legacy vulnerabilities often before inclusion in Known Exploited Vulnerabilities (KEV) catalogs. Threat actors are increasingly leveraging automation to scale attacks, with ransomware groups specifically utilizing these methods to compromise systems rapidly. The report emphasizes that exploitation velocity is outpacing traditional defense mechanisms, creating critical risk for organizations relying on delayed patching cycles. Impact includes widespread potential compromise across internet-facing assets. Mitigation strategies necessitate the adoption of real-time threat intelligence to identify and block exploitation attempts immediately. Organizations must prioritize vulnerability management and integrate automated defense solutions to counter the speed of modern attackers. Reliance on static defenses is insufficient against such dynamic, large-scale exploitation campaigns targeting common CVEs throughout 2024. Attackers are automating exploitation at scale, targeting both new and old vulnerabilities — some before appearing in KEV. Our latest report breaks down which CVEs were exploited most in 2024, how ransomware groups are leveraging mass exploitation, and why real-time intelligence is critical. Attackers are automating exploitation at scale, targeting both new and old vulnerabilities — some before appearing in KEV. Our latest report breaks down which CVEs were exploited most in 2024, how ransomware groups are leveraging mass exploitation, and why real-time intelligence is critical.