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I think this visualization could be nicely completed by community labels. To go on with the city metaphor, you could have a road sign for each cluster of buildings. I can count 10 big community in the StackOverflow metropolitan area. A modularity algorithm would identify these clusters. Then you could get a list of most frequent tags in the users of the cluster to build the road sign.
By March 2012, there were more than 2,000 security advisories published by SAP. Of those, about 7% (124) have publicly available PoC (proof-of-concept) exploit code available to the public. Many of the issues discovered are related to poor configuration or poor deployment planning. For example, 212 SAP Routers were found in Germany, which were created mainly to route access to internal SAP systems.
Another issue with the vulnerable and exposed SAP installations is that many of them run on Windows NT, creating a twin set of risks for the organization, as they have to contend with a bad SAP deployment and unsupported OS that is full of security issues all by itself.
SAP environments are often home to an organization’s most important business data, making protecting them critical for enterprise security, but it seems many gaps exist..."
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