The UK has carried out a “major offensive cyber-campaign” towards the Islamic State staff, the director of the intelligence company GCHQ has published.
The operation hindered the crowd’s talent to co-ordinate assaults and suppressed its propaganda, former MI5 agent Jeremy Fleming mentioned.
It is the primary time the UK has systematically degraded an adversary’s on-line efforts in an army marketing campaign.
Mr Fleming made the remarks in his first public speech as GCHQ director.
“The outcomes of these operations are wide-ranging,” he informed the Cyber UK convention in Manchester.
“In 2017 there were times when Daesh [an alternative name for Islamic State] found it almost impossible to spread their hate online, to use their normal channels to spread their rhetoric, or trust their publications.”
Mr Fleming mentioned a lot of the cyber-operation was once “too sensitive to talk about”, however had disrupted the crowd’s on-line actions or even destroyed apparatus and networks.
“This campaign shows how targeted and effective offensive cyber can be,” he added.
But Mr Fleming mentioned the battle towards IS was once now not over, for the reason that staff persevered to “seek to carry out or inspire further attacks in the UK” and in finding new “ungoverned spaces to base their operations”.
Mr Fleming additionally criticised Russia over what he referred to as “unacceptable cyber-behaviour” that was once a “growing threat” to the UK and its allies.
He recalled the NotPetya ransomware assault on Ukraine final 12 months, which sooner or later unfold internationally. The UK and US later mentioned the Russian army have been in the back of the assault, a declare that Moscow denied.
“They’re not playing to the same rules,” Mr Fleming mentioned. “They’re blurring the boundaries between criminal and state activity.”
He mentioned the usage of a nerve agent on Sergei and Yulia Skripal in Salisbury was once “stark and shocking”, and demonstrated “how reckless Russia is prepared to be”.
The UK has mentioned Moscow was once “culpable” for the assault, however Russia denies any any involvement.
“The robust response from the UK and from the international community shows the Kremlin that illegal acts have consequences. And it looks like our expertise on Russia will be in increasing demand,” he mentioned.
Following the speech, the executive govt of the National Cyber Security Centre, Ciaran Martin, informed the BBC the Notpetya case was once additionally an instance of the Russian recklessness discussed through Mr Fleming.
Asked if the disclosures about offensive cyber-actions have been a veiled caution to Russia, Mr Martin mentioned every now and then the most productive type of defence is defence.
Mr Fleming went on to explain a few of GCHQ’s different targets, which come with monitoring down individuals who use the darkish internet to distribute kid intercourse abuse photographs.
Cyber has created a brand new panorama for attackers and defenders, he mentioned, and the demanding situations have been “vast” however have been being met through a robust and lawful GCHQ.
On Wednesday, Mr Fleming introduced a brand new GCHQ base is to open in Manchester, hoping to attract “tech savvy recruits”.