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Security

Cybersecurity, privacy, and the fight to stay safe online.

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Dusty DMZ service road with barbed-wire fences on both sides, olive-drab ambulance parked with rear doors open and medics in helmets, overcast hills in background, no readable markings

Three Korean Officers Injured in DMZ Explosion During Search Operation

South Korea’s Joint Chiefs of Staff said three military officers were hurt by an unexplained blast south of the Military Demarcation Line during a western-sector search, with two evacuated by helicopter in serious condition as investigators weigh a shifted landmine.

Dongwook Han 한동욱

Cold-aisle view of a Korean data center with blue server rack doors, cable trays overhead, matte floor tiles, security cage mesh in background, no logos or readable text.

NHN Cloud Mandates Customer-Managed Keys on Public-Sector Kubernetes Tenants

NHN Cloud will require customer-managed encryption keys on all public-sector Kubernetes tenants from November, blocking platform-held keys for ministries that failed a summer audit of secret rotation logs.

Dongwook Han 한동욱

Evidence tables in a Bucheon police warehouse with stacked GSM gateway boxes, coiled antenna cables, and sealed SIM card cartons under harsh fluorescent light, scuffed concrete floor, no logos or readable text.

Police Cyber Bureau Seizes SIM Farm Hardware in Bucheon Warehouse Raid

The National Police Agency’s cyber bureau seized 412 SIM gateways and 1,900 prepaid cards in a Bucheon warehouse tied to voice-phishing rings, as carriers freeze bulk activations ahead of Chuseok remittance peaks.

Dongwook Han 한동욱

East Sea coastline near Wonsan under hazy afternoon light, empty beach and breakwater, distant grey horizon, no missiles or logos, no readable text

North Korea Fires Short-Range Ballistic Missile Toward East Sea From Wonsan

South Korea’s Joint Chiefs said North Korea launched a short-range ballistic missile from Wonsan toward the East Sea on Sunday afternoon, flying about 450 kilometers as the presidential National Security Office convened an emergency meeting and urged Pyongyang to stop UN-banned tests.

Dongwook Han 한동욱

Municipal government server room with open rack doors, blinking switch lights and coiled patch cables on a tiled floor, cool fluorescent lighting and a folding chair, no logos or readable text

Korea Internet Security Agency Expands DMARC Enforcement for Municipal Domains

KISA will downgrade municipal email domains that still publish DMARC at p=none after a phishing wave spoofed county tax notices, giving 226 local governments until December to reach quarantine or lose centralized incident feeds.

Dongwook Han 한동욱

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