Users of tumblr, and likely the other sites mentioned in the subject line, received an e-mail informing them of a breach of a company called "Zendesk". Like myself, you may not have heard of Zendesk before, but they appearantly process customer support e-mail for these sites, including like in the Tumblr case, e-mail to aliases like lawenforcement@ and legal@. According to Zendesk, the attacker retrieved email addresses and subject lines, not e-mail bodies. According to the Zendesk home page, there are many other namebrand companies that are using Zendesk, but the breach notification mentions only the three I listed in the subject.
With all the "Bad stuff" happending, we dodged some bad bullets this week. The NBC compromisse only led users to a rather old exploit. This Zendesk exploit didn't get very far (no e-mail bodies). The Bit9 exploit, even though it lasted for 6 months or so, was only used against 3 targets. Facebook/Apple developer compromisse didn't lead to backdoored code (we hope).
I think in particular the use of a "lame" exploit in the NBC case kind of points to another problem: It was probably pretty easy to deface the site.
</Opinion>Application Security: Securing Web Apps, APIs, and Microservices - SANS London June 2022
Feb 22nd 2013
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Feb 22nd 2013
9 years ago