From: security curmudgeon (jerichoattrition.org)
Date: Thu May 14 2009 - 04:29:44 CDT

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http://superconductor.voltage.com/2009/05/data-breaches-have-a-lognormal-distribution.html

Tuesday, May 12, 2009
Data breaches have a lognormal distribution
- Luther Martin

In many parts of information security, there's very little reliable data
that you can use to help you make decisions. For data breaches, however,
there's a fair amount of data available, and you can get a database of
almost 2,000 data breaches from the Open Security Foundation at their web
site datalossdb.org. There's lots of information in this database, and it
shows some interesting patterns. In particular, here's what you see if you
plot the number of records ("TotalAffected" in the OSF database)
compromised by each breach from 2006 to the present. It's hard to see a
pattern in this data.

[..]

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