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Blacklist Ecosystem Analysis: July – December 2016

June 2017 White Paper
Eric Hatleback, Leigh B. Metcalf

This report provides a summary of various analyses of the blacklist ecosystem performed to date. It also appends the latest additional data to those analyses; the added data in this report covers the time period from July 1 through December 31, 2016.


Software Engineering Institute


This report is the latest in a series of works dedicated to documenting and exploring the blacklist ecosystem. Whereas previous full reports [1, 2, 3] were comprised partly of updates and partly of fresh analysis, we have decided to adress those two goals in separate reports henceforth.  The update reports, of which this is the second, are dedicated strictly to updating the previously-implemented methods with the latest data. For an incremental view of the accumulation of the results, see the previous update reports [4]. Separate full reports introduce novel analyses as they are developed, and when those novel analyses yield results that warrant continual updating, those analyses are added to the spectrum covered by the update reports. The update reports are planned for release in conjunction with every six months’ worth of data collection. This update covers the data collected from July 1, 2016 through December 31, 2016.