Breach Intelligence

6,875

Total breached databases

Sometime before 2023, the Korean alpine club community website kaac.co.kr allegedly suffered a data breach. The site is a Korean-language XpressEngine community platform for a mountaineering club, hosting member accounts, forum documents and comments. Reports suggest data belonging to approximately 350 individuals was exposed, including email addresses, usernames, names, hashed and salted passwords, IP addresses, birthdates, geographic locations, websites and site activity.
  • Date: 2023
  • Domain: kaac.dothome.co
  • Country: South Korea
  • Category: Forums & Communities
  • Data: Email Addresses Passwords Names Geographic Locations Usernames IP Addresses Site Activity Websites Birthdates
  • Records: 10,475
  • Lines: 3,170,435
  • Size: 792.19 MB
  • Passwords: MD5, MySQL, Unknown
In March 2023, the South Korean online rental and e-commerce store Jamkan (jamkan.com) allegedly suffered a data breach. Jamkan is a shop that lets customers rent photography, lighting and broadcasting equipment. Reports suggest that a database containing approximately 2,000 records was exposed. The compromised data allegedly included email addresses, names, usernames, phone numbers, MD5-hashed passwords, geographic locations, IP addresses, birthdates, genders and company information.
  • Date: Mar 7, 2023
  • Domain: jamkan.com
  • Country: South Korea
  • Category: E-commerce & Retail
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Genders IP Addresses Company Information Birthdates
  • Records: 2,165
  • Lines: 287,550
  • Size: 27.91 MB
  • Passwords: MD5
  • Cracked: 0%
Sometime before February 2023, MOD (moddev.kr), a South Korean provider of hospital bedside IPTV and patient-infotainment terminals deployed across numerous Korean hospitals, allegedly suffered a data breach of its HQ management database. Reports suggest data on approximately 150 individuals was exposed, including names, usernames, MySQL password hashes, phone numbers, email addresses, birthdates, genders, IP addresses, and geographic locations, alongside hospital patient records such as ward and bed assignments.
  • Date: Feb 8, 2023
  • Domain: hq2.moddev.kr
  • Country: South Korea
  • Category: Healthcare
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Genders IP Addresses Birthdates
  • Records: 609
  • Lines: 9,865,593
  • Size: 1.33 GB
  • Passwords: MySQL
  • Cracked: 0%
Sometime before 2023, the South Korean organization gongdong.or.kr (공동육아와공동체교육) allegedly suffered a data breach. Reports suggest gongdong.or.kr is a non-profit association promoting cooperative childcare and community education. The exposed data, drawn from a GNUBoard 5 CMS dump, reportedly affected approximately 12,000 individuals and included email addresses, MySQL password hashes, real names, usernames, phone numbers, birthdates, genders, geographic addresses, and IP addresses.
  • Date: 2022
  • Domain: gongdong.or.kr
  • Country: South Korea
  • Category: Non-Profit & Charities
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Genders IP Addresses Site Activity Company Information Birthdates
  • Records: 19,368
  • Lines: 3,949,660
  • Size: 1.82 GB
  • Passwords: MySQL
  • Cracked: 0%
Sometime before 2022, the website of cowalk.or.kr allegedly suffered a data breach. cowalk.or.kr is the GNUBoard-based content management system of a South Korean non-profit disability-rights research institute based in Busan. Reports suggest approximately 13,000 individuals were affected, with exposed records including email addresses, names, usernames, hashed passwords, phone numbers, IP addresses, geographic locations and dates of birth.
  • Date: 2022
  • Domain: cowalk.or.kr
  • Country: South Korea
  • Category: Non-Profit & Charities
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames IP Addresses Birthdates
  • Records: 249,897
  • Lines: 5,051,832
  • Size: 1.5 GB
  • Passwords: MySQL, SHA-512, Unknown
Sometime before March 2023, the internal content management system of TAESUNG SNI (cms.tssni.com) was allegedly breached. TAESUNG SNI is a South Korean BIM-based smart-construction engineering company. Reports suggest the exposed data included an internal employee database of approximately 200 staff accounts. The compromised records contained usernames, full names, job titles and department information, alongside passwords stored in plaintext.
  • Date: Mar 18, 2023
  • Domain: cms.tssni.com
  • Country: South Korea
  • Category: Professional & Corporate
  • Data: Names Usernames Job Information
  • Records: 191
  • Lines: 110,050
  • Size: 24.21 MB
  • Passwords: Plaintext
Sometime before May 2022, the South Korean motorcycle and bicycle retailer BestBike (bestbike.kr) allegedly suffered a data breach. BestBike operates an online store selling helmets, parts and gear alongside an enthusiast community forum. Reports suggest fewer than 1,000 records were exposed, including email addresses, names, phone numbers, postal addresses, genders, birth dates, order details and passwords stored as SHA-256, MD5 and other hashes.
  • Date: May 2022
  • Domain: bestbike.kr
  • Country: South Korea
  • Category: E-commerce & Retail
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Order Information Genders Company Information Birthdates
  • Records: 3,765
  • Lines: 968,024
  • Size: 346.22 MB
  • Passwords: MD5, SHA-256, 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.