Microsoft has discovered a new, widespread, ongoing threat that aims to infect Kubernetes clusters running Kubeflow instances with malicious TensorFlow pods that mine cryptocurrencies. Kubeflow is a popular open-source framework for conducting machine learning (ML) tasks in Kubernetes, while TensorFlow is an end-to-end, open-source ML platform.
Microsoft security experts cautioned on Tuesday that they noticed a rise in TensorFlow pod deployments on Kubernetes clusters at the end of May — pods that were running legal TensorFlow images from the official Docker Hub account. However, a closer examination of the pods' entry point revealed that they are used to mine cryptocurrency.
In a post on Tuesday, Yossi Weizman, a senior security research software engineer at Microsoft's Azure Security Center, said that the "burst" of malicious TensorFlow deployments was "simultaneous," implying that the attackers scanned the clusters first, kept a list of potential targets, and then fired on all of them at ...
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