Sungsimdang security incident history
Hacking, data breaches and other security incidents involving Sungsimdang, with related coverage.
Hacking issue raised involving Sungsimdang
A hacking issue involving Sungsimdang was raised. The specific timing, attack method, scale of the damage and response have not been confirmed.
Read on 보안뉴스 ↗Sungsimdang's official Instagram account hacked
Impact: Official Instagram account compromised
Sungsimdang's official Instagram account was hacked in January 2025. Sungsimdang urged people not to respond to impersonating direct messages. Its online shop had also been hacked earlier.
Related reports: 6 · last report →Sungsimdang online shop hack leaks customer personal data
Impact: Customer personal information
In June 2024, Sungsimdang's online shop was hacked and customers' personal information was leaked. Sungsimdang initially said no personal information had been leaked, but the leak later came to light. The scale of the damage was not known at the time.
Related reports: 5 · last report →Malware on Sungsimdang online shop leads to Naver account phishing
191Impact: An estimated 191 people may have had accounts compromised over about one hour
Malware was planted on Sungsimdang's online shop, redirecting visitors to a phishing site that mimicked Naver's login page. A security firm said an estimated 191 people may have had their accounts compromised over about one hour. Police launched an investigation.
Related reports: 2 →