![HFE450 Still image taken from an ISIS propaganda video showing the Islamic State militants firing automatic weapons during a firefight outside Mosul December 2, 2016 near Nineveh, Iraq.](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZF26UFEBVBC2W3627ZSETJNPIM.jpg?smart=true&auth=7bdb4b1543ae5bf1d4a6a6f1ab5dd91d843a282ca189b5b9dd19634e5cf2ee64&width=400&height=225)
British security agencies targeted ISIS communications, leading to fighters deserting the battlefield, spy chiefs said. Alamy
British security agencies targeted ISIS communications, leading to fighters deserting the battlefield, spy chiefs said. Alamy
UK security services jam ISIS drones in covert cyber operation
Terrorists’ mobile phones and laptops targeted to prevent the sending and receiving of orders