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47m ago

South Korea Begins Phased Restoration After Government Data Center Fire

Full normalization is expected in roughly two weeks with 96 damaged systems set for relocation to Daegu.

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Firefighters submerge lithium-ion batteries in water while extinguishing a fire at the National Information Resources Service in Daejeon, some 160 kilometers southeast of Seoul, on Sept. 27, 2025. (Yonhap)

Overview

  • Officials say more than 50% of network devices are restored and 99% of 767 security devices are operating, with key cooling and dehumidification back online.
  • The government is starting a phased restart of 551 systems that were shut down preemptively, while the pan‑government intranet offers only limited functions.
  • Ninety‑six systems, including mobile IDs and online postal services, are confirmed damaged and will be moved to the Daegu branch as part of a roughly two‑week recovery plan.
  • Korea Post’s financial services resumed Sunday night, and the science ministry said mailing operations are slated to restart early Monday following system updates.
  • Authorities attribute the incident to a UPS lithium‑ion battery explosion during relocation work; the fire was fully extinguished after about 22 hours, a joint probe is underway, and data‑loss risk is considered low due to multi‑stage backups.