Hackers Lurked for 10 Months Inside South Korea Diplomatic System
ID: 13370407-dc50-523c-8d80-2d5ac9ce730b
STIX ID: report--13370407-dc50-523c-8d80-2d5ac9ce730b
Feed Name: The Cyber Express
Threat Score
National Diplomatic Academy's online education system was breached in April 2025 via an exploited vulnerability and remained compromised until February 2026; the incident exposed user IDs, names, email addresses and encrypted passwords for an estimated 6,000–10,000 current and former Ministry of Foreign Affairs personnel, including diplomats abroad, while the ministry reports that sensitive identifiers (national IDs), phone numbers, addresses, and photos were not leaked.
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