Microsoft has bragged of downing a nine million-strong Russian botnet responsible for vast quantities of email spam. The Necurs botnet, responsible over the years for quite a considerable volume of spam – as well as being hired out to crims pushing malware payloads such as the infamous Locky ransomware and Dridex malware – was downed by Microsoft and its industry chums following a US court order allowing the private sector companies to go in hard and heavy on the botnet.

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