South Korea raises cyber threat level after huge data centre fire sparks hacking fears

National cyber security centre raises alert level to caution' as technicians race to restore government systems after battery fire sparked nationwide chaos

South Korea's intelligence agency has raised the national cyber threat level, amid concerns that hackers could take advantage of the chaos caused by a fire at a government datacentre that paralysed critical digital infrastructure across the country.

The national cybersecurity centre, operating under the intelligence service, elevated the alert from attention" to caution" on Monday, citing fears hackers could exploit vulnerabilities as recovery work continues.