Hacking South Korea's National Cyber Security Center
Quick read
A first-person blog post describing how the author found and briefly exploited expired nameservers to perform DNS hijacking against government domains, including South Korea’s National Cyber Security Center. Someone would visit to read a real-world example of how expired DNS infrastructure can enable serious compromises and how disclosure and remediation played out.
- Explains using certificate transparency to enumerate government domains
- Shows finding ~21 expired nameservers enabling DNS hijacks
- Notes South Korea fixed the issue within two months
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- Popularity
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- Domain registered
- 2023
- Domain renews
- September 2028
Checked November 8, 2026 from the site’s own code and public records. See how the rest of the web compares in the NexURLs Internet Report.
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