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Update: Likely Data Security Breach at iContact.com

On the day I posted Suspected Data Security Breach at iContact.com I was contacted via Facebook by someone with an email address @icontact.com. I forwarded them the same information that I sent to their abuse team. I’ve not heard anything back since.

Others have picked up on this likely breach at iContact.com:

Suspected Data Security Breach at iContact.com

I suspect iContact.com has suffered a data security compromise.

Summary

I have received four nearly-identical spams to four different addresses known only to myself and four distinct websites. These four websites all use iContact.com for newsletter mailing. I have also received this spam to a spam-trap address, but importantly, to no other unique addresses that I use with other websites. The evidence points strongly to a data breach at iContact.com.

Photonlight Email Leak

I bought a product from Photonlight in 2002, and have been on their mailing list ever since. I last received something from them on 30th December 2009. Alas, now I’m also receiving spam to the address previously only known to them.

Slimelight Spam

Another private address bites the dust. Slimelight's webserver has MySQL open to the Internet.

Identical Spam (including headers)

This email was sent to an address I know the spammers have (it is listed on the Debian Consultants page). It is almost identical to several other spams I have been receiving to what I had considered to be private, unique addresses.

Email Addresses Receiving Spam

I give out different email addresses to different providers, mailing-lists and websites to see how what gets leaked. It’s partly a check on privacy policies, and partly a way to ensure I can blacklist emails efficiently. I’ve run various schemes with email addresses on my domain maz.nu over the last eleven years. Here is what I have found.

iana

Registered with IANA for a private enterprise number for OIDs, iana is listed on a public website. It gets a lot of junk. There are a number of variations, however, which also receive spam:

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