The specialists at CX Security recently reported a 'severe'-labelled exploit for the HBase NoSQL data store. The only solution is to make plans to upgrade as quickly as possible to version 0.92.3 when it is released, or upgrade to 0.94.9 or later.
If you haven't looked at dotCloud's PaaS Under the Hood underthehood series, you will definitely want to check it out if you want to really understand cloud application development patterns and best practices.
Martin Sustrik, one of the co-creators of ZeroMQ, has been working on a new messaging library called Nanomsg to surpass the lightweight power of ZeroMQ. You could almost think about Nanomsg as ZeroMQ–the sequel.
You can find a surprising number of entertaining or intriguing things in online software documentation. It seems that ZeroMQ isn't the only open source project with a little humor injected into the docs.