GreyNoise Research Finds Censys Scan Data Is Fastest, Most Comprehensive

The author reviews GreyNoise visualizations to compare benign internet scanners, concluding that Censys performs substantially more comprehensive and efficient scanning—covering all 65,000 ports over an eight-day span with a pronounced long tail—while other scanners concentrate on far fewer ports. The piece highlights the operational implications for alert fatigue and notes that non-attributed (potentially malicious) scans occur roughly every three minutes.