Spotted that today that the UK House of Commons Select Committee on Defence has embarked on this inquiry.
Link to initial announcement:https://www.parliament.uk/business/c...-launch-17-19/

As they explain:
This inquiry will examine the danger posed by hybrid threats to the UK and how the UK Government is preparing its response.
Two written submissions by UK academics are available (I know both authors) via:https://www.parliament.uk/business/c...threats-17-19/