A Consumer’s Guide to Understanding Data - Data Fluency: Empowering Your Organization with Effective Data Communication - page 54

One good example comes from Nathan Yau of FlowingData.com who published
this beautiful graphic based on data security breaches. For a casual reader, it
consolidates information about this increasingly common problem, and makes
it easy to compare the breadth of impact and type of breach. The color helps
us see that data lost through hacking (green) far outweighs breaches through
stolen, lost, or fraudulent activities (Figure 4-9).
Figure 4-9 The largest data loss incidents on record
Source: http://flowingdata.com/2011/06/13/largest-data-breaches-of-all-time/