US security firm Immunity has started selling an exploit to take advantage of a flaw in Microsoft's proprietary remote desktop protocol. The vulnerability was revealed in May.

With the sentencing of former NSA contractor Harold Martin to nine years in prison for taking huge amounts of company data home, the identity of the Shadow Brokers, the group which leaked numerous NSA exploits on the Web three years ago, still remains unknown.

Russian security firm Kaspersky — formerly Kaspersky Lab — appears to be providing details of campaigns by nation-state actors, including from the US, to those who subscribe to its private APT (advanced persistent threat or nation-state actors) intelligence reports, judging by one of its recent blog posts.