In his regular column, John Naughton discusses Ciaran Martin's views on the privatisation of security risk in cyberspace.

"The digital threat is too existential to be left to individual firms", writes Ciaran Martin.

Ciaran Martin discusses spyware and its use by private and non-government actors (2:56 on clock).

Ciaran Martin speaks about the realistic threat of hostile interference in politics, as well as other cyber risks and tensions.

Dapo Akande comments on how ransomware might violate international law.

Ciaran Martin writes about the dangers of cyber attacks and ransomware, and possible policy solutions

Interview with Ciaran Martin in which he says that the sale of the UK's largest microchip factory to a Chinese-owned firm poses a bigger risk to Britain’s strategic interests than Huawei’s involvement in the 5G network