Thomas Claburn reports:
Administrators of Hadoop Distributed File System (HDFS) clusters have evidently not heeded warnings that surfaced last month about securing software with insecure default settings.
Attacks on Hadoop clusters have wiped the data of at least 165 installations, according to GDI Foundation security researchers Victor Gevers, Niall Merrigan, and Matt Bromiley. The trio report that 5,300 Hadoop clusters are presently exposed to the internet, some of which may be vulnerable.
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