This white paper explains the data foundation behind SecurityScorecard Attack Surface Intelligence (ASI), which provides contextualized global threat intelligence built on an in-house data lake and enriched partner inputs. ASI is powered by large-scale internet scanning of 3.9 billion routable IPs every 10 days across 1,400+ ports, attribution that reflects what adversaries see, and correlation across ports, vulnerabilities, industries, threat actors, and ransomware campaigns. It describes collection systems distributed across six continents and 70 countries, plus key data programs including a malware DNS sinkhole that logs about 2 billion requests daily from 14 million infected IPs, automated malware attribution tracking 120+ threat groups and 1M+ C2 IPs, leaked breach record crawling (68

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