A cyber attack forced a small UK power facility to shut down last month, underscoring fresh warnings from security officials about an escalating pattern of disruptive activity targeting British organisations. While UK officials said the attack didn't threaten the country's wider electrical supply, the cyberattack did shut down the plant for four days. Key points and original sources are listed below.

• A cyber attack forced a small UK power facility to shut down last month, underscoring fresh warnings from security officials about an escalating pattern of disruptive activity targeting British organisations. Hackers linked to the Iranian regime carried out th...S1

• While UK officials said the attack didn't threaten the country's wider electrical supply, the cyberattack did shut down the plant for four days.S2