Breach Intelligence

6,875

Total breached databases

jejuall.com (제주오일장신문, Jeju Oiljang Sinmun) allegedly suffered a data breach. jejuall.com is a South Korean local newspaper and classifieds portal for Jeju Province, offering real estate, employment, and flea-market listings. Reports suggest approximately 73,000 members were affected. The exposed data reportedly included email addresses, usernames, and passwords stored as both MD5 hashes and plaintext.
  • Domain: jejuall.com
  • Country: South Korea
  • Category: News & Media
  • Data: Email Addresses Passwords Usernames
  • Records: 137,651
  • Lines: 137,917
  • Size: 6.04 MB
  • Passwords: MD5, Plaintext
At an unknown date, the South Korean service at lifetip.icross.co.kr allegedly suffered a data breach. Reports suggest approximately 1,080,000 records were exposed, including email addresses and MD5-hashed passwords.
  • Data: Email Addresses Passwords Geographic Locations
  • Records: 1,174,649
  • Lines: 1,174,651
  • Size: 57.29 MB
  • Passwords: MD5
  • Cracked: 0%
Sometime in or before 2021, the South Korean website kaac.co.kr (hosted under woolrimhost.dothome.co.kr) allegedly suffered a data breach. The site operated as an online community for a Korean mountaineering and alpine-expedition club. It has been reported that data belonging to approximately 1,000 individuals was exposed, including email addresses, usernames, real names, birthdates, site activity, and account passwords stored as MD5, legacy MySQL, and other unrecognized hashes.
  • Data: Email Addresses Passwords Names Usernames Site Activity Birthdates
  • Records: 10,813
  • Lines: 1,005,975
  • Size: 228.93 MB
  • Passwords: MD5, MySQL, Unknown
In 2022, wrhaeoreum.com allegedly suffered a data breach. wrhaeoreum.com is the website of a South Korean oriental-medicine (Hanuiwon) clinic. Reports suggest approximately 840 records were exposed, including roughly 140 unique email addresses along with several hundred individuals' names and phone numbers. The exposed data allegedly included email addresses, plaintext passwords, names, phone numbers, physical addresses, usernames, IP addresses, and site activity.
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames IP Addresses Site Activity
  • Records: 841
  • Lines: 1,248
  • Size: 319.98 KB
  • Passwords: Plaintext
Sometime before 2023, the South Korean website unsign.co.kr allegedly suffered a data breach. Reports suggest the exposed server held several small applications, including a community board site, a game server, and mobile-sales and staff records. Approximately 70 individuals were affected. The exposed data allegedly included email addresses, usernames, full names, phone numbers, dates of birth, genders, geographic locations, and passwords stored as plaintext and MySQL/MD5 hashes.
  • Date: 2023
  • Domain: unsign.co.kr
  • Country: South Korea
  • Category: Forums & Communities
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Genders Birthdates
  • Records: 82
  • Lines: 1,092,261
  • Size: 61.74 MB
  • Passwords: Plaintext, MySQL, MD5
Sometime before December 2022, SuperSoft (supersoft.kr), a South Korean software vendor operating a suite of mobile applications, allegedly suffered a data breach. Reports suggest the exposed database bundled records from several of its apps, affecting approximately 40,000 records. The compromised data allegedly included email addresses, usernames, names, phone numbers, birthdates, genders, geographic locations, company information, site activity, and passwords stored as BCrypt, MD5, MySQL, SHA-1, and other hashes.
  • Date: 2022
  • Domain: supersoft.kr
  • Country: South Korea
  • Category: Technology
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Genders Site Activity Company Information Birthdates
  • Records: 40,402
  • Lines: 2,308,799
  • Size: 194.04 MB
  • Passwords: BCrypt, MD5, MySQL, SHA-1, Unknown
Sometime before 2022, the South Korean gaming and office chair manufacturer Star Chair (starchair.co.kr, 별빛의자) allegedly suffered a data breach. Star Chair produces and sells premium gaming, computer, PC-room and office chairs. Reports suggest the exposed data covered approximately 4,600 individuals and included email addresses, names, usernames, phone numbers, geographic locations, IP addresses, site activity, and passwords stored in a mix of MD5, MySQL, phpass, BCrypt and other hash formats.
  • Date: 2022
  • Domain: starchair.co.kr
  • Country: South Korea
  • Category: E-commerce & Retail
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames IP Addresses Site Activity Websites
  • Records: 5,670
  • Lines: 1,509,108
  • Size: 396.65 MB
  • Passwords: BCrypt, MD5, MySQL, PHPass, Unknown

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.