“Russia poses an increasing threat to the stability of the UK and is using all the sophisticated tools at its disposal to achieve its aims, the director general of MI5 has told the Guardian.
In the first newspaper interview given by an incumbent MI5 chief in the service’s 107-year history, Andrew Parker said that at a time when much of the focus was on Islamic extremism, covert action from other countries was a growing danger. Most prominent was Russia.”
Source: MI5 head: ‘increasingly aggressive’ Russia a growing threat to UK | UK news | The Guardian