Security researchers at anti-virus company, MacKeeper, have discovered backup databases that hold about 1.37 million records of names, IP addresses, zip codes, and other personal addresses. These databases were left exposed by marketing company, River City Media, due to the lack of proper authentication measures. This article discusses how RCM may have collected this data, possible spamming techniques performed, as well as the massive impact a leakage of this data could have.
http://www.govinfosecurity.com/backup-error-exposes-137-billion-record-spamming-database-a-9755