Breach Intelligence

6,874

Total breached databases

In October 2021, the South Korean fashion marketplace Brandi (brandi.co.kr) allegedly suffered a data breach. Reports suggest the incident was disclosed on 24 October 2021 and exposed approximately 6.4 million user records. The compromised data allegedly included usernames, email addresses, account registration dates, and SHA-256 hashed passwords (present for a subset of accounts).
  • Date: Oct 24, 2021
  • Domain: brandi.co.kr
  • Country: South Korea
  • Category: E-commerce & Retail
  • Data: Email Addresses Passwords Geographic Locations Usernames Site Activity
  • Records: 6,395,270
  • Lines: 6,395,371
  • Size: 1.04 GB
  • Passwords: SHA-256
  • Cracked: 0%
At an unknown date, Yanolja (yanolja.com), a major South Korean travel and accommodation booking platform, allegedly suffered a data breach. Reports suggest the exposed data included user credentials. The dataset processed here comprises approximately 746,000 cracked MD5 password hashes with their recovered plaintext values.
  • Data: Passwords Geographic Locations
  • Records: 746,370
  • Lines: 746,370
  • Size: 33.16 MB
  • Passwords: MD5
  • Cracked: 100%
WMO Korea (wmokorea.org), the South Korean operating committee of the World Mathematics Olympiad, a mathematics competition for students, allegedly suffered a data breach. Reports suggest approximately 9,000 records were exposed, consisting of hashed passwords.
  • Data: Passwords
  • Records: 9,042
  • Lines: 9,042
  • Size: 749.37 KB
  • Passwords: Unknown
Sometime before 2020, choyongpil.net, a South Korean fan website for the singer Cho Yong-pil, allegedly suffered a data breach. Reports suggest approximately 230 records were exposed, including email addresses and MySQL323-hashed passwords.
  • Data: Email Addresses Passwords Geographic Locations
  • Records: 1,916
  • Lines: 1,916
  • Size: 55.89 KB
  • Passwords: MySQL
  • Cracked: 0%
CTCE 2024

CTCE 2024

Sensitive
Sometime before 2024, data allegedly sourced from CTCE (Creative Talent Converged Education, ctce.or.kr), a South Korean educational certification body offering coding and app-development qualifications, was published on a hacking forum. Reports suggest approximately 68,000 member records were exposed, including email addresses, names, phone numbers, physical addresses, dates of birth, genders, IP addresses and passwords stored as MySQL PASSWORD() hashes (a small subset accompanied by cracked plaintext). Many affected members appear to be students.
  • Date: 2024
  • Domain: ctce.or.kr
  • Country: South Korea
  • Category: Education
  • Data: Email Addresses Passwords Names Phone Numbers Physical Locations Geographic Locations Genders IP Addresses Site Activity Company Information Birthdates
  • Records: 68,409
  • Lines: 68,411
  • Size: 32 MB
  • Passwords: MySQL, Plaintext
Sometime before 2025, magicseller.co.kr, a South Korean e-commerce and online-shop marketing platform built on the GNUBoard5 CMS, allegedly suffered a data breach. Reports suggest a small number of records (around 110 members) were exposed, including email addresses, names, usernames, phone numbers, addresses, IP addresses, and MySQL-hashed passwords.
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames IP Addresses Site Activity
  • Records: 172
  • Lines: 262,694
  • Size: 38.75 MB
  • Passwords: MySQL
  • Cracked: 0%
In November 2024, PoinCampus, a South Korean education platform, suffered a data breach that was later published on a popular hacking forum. The incident exposed data from approximately 89,000 unique email addresses, along with names, and a small number of phone numbers and dates of birth.
  • Data: Email Addresses Names Phone Numbers Geographic Locations Usernames Genders Site Activity Birthdates
  • Records: 89,703
  • Lines: 30
  • Size: 41.11 MB
  • Passwords: No

Frequently Asked Questions

A data breach is unauthorized access to data (often involving account takeover, malware, or misconfigured infrastructure). A data leak is exposure of data due to mistakes like public cloud storage, open databases, or accidental publishing. A database dump is a packaged dataset that may come from a breach, leak, scraping, or aggregation.

Change passwords for any affected accounts immediately, prioritizing email, banking, and any account that shares the same password. Enable multi-factor authentication wherever possible. Monitor your accounts for suspicious activity and consider placing a fraud alert or credit freeze if financial data was exposed.

Start with containment and verification: confirm what data was exposed, identify the entry point, rotate credentials (especially SSO, VPN, email), and enforce MFA. Then investigate affected systems, notify stakeholders as required, and harden controls to prevent recurrence. A structured incident response plan helps keep the work measurable and compliant.

Dark web monitoring helps you spot exposure signals early — before stolen data is widely reused for account takeover or targeted attacks. Monitoring complements vulnerability management by revealing when attackers already have leverage. Pair it with continuous attack surface monitoring and strong Asset Discovery to reduce blind spots.

Not always. Some datasets are old, incomplete, or derived from third parties. However, any exposure increases risk because credentials and personal data can be reused indefinitely. Treat it as a priority signal: rotate credentials, enforce MFA, review suspicious logins, and audit the systems that could have produced the data.

SynScan helps you connect the dots between attack surface exposure, vulnerabilities, and breach signals so you can prioritize remediation and reduce the chance of repeat incidents.