At least half a dozen North Korean web domains were mostly inaccessible for about seven hours on Thursday, the longest disruption since hackers launched an apparent distributed denial-of-service (DDoS) attack against the country in early February. 

Monitoring by NK Pro showed that websites belonging to the DPRK Ministry of Foreign Affairs, the state-run news agency KCNA, national airline Air Koryo and the Naenara web portal saw significant delays and outages between 11 a.m. and 6 p.m. KST. At least one of North Korea’s email servers was also affected. 

It was not immediately clear whether