Breach Intelligence

6,875

Total breached databases

Sometime before 2026, NaszaKlasa.app, a Polish "find your schoolmates" social network, allegedly suffered a data breach. It has been reported that a full user-profile export was taken from the site's admin panel. Reports suggest approximately 2,500 individuals were affected, including a number of minors. The exposed data allegedly included full and maiden names, genders, birthdates, home street addresses with postal codes, precise geographic coordinates, birthplace locations, schools attended, and profile photos. No passwords or email addresses were included.
  • Date: 2026
  • Domain: naszaklasa.app
  • Country: Poland
  • Category: Social Media & Communication
  • Data: Names Physical Locations Geographic Locations Genders Profile Photos Websites Birthdates Education
  • Records: 2,471
  • Lines: 2,509
  • Size: 655.53 KB
  • Passwords: No
In March 2025, the Polish carpet and flooring reseller website Syrenadywany.nazwa.pl allegedly suffered a data breach. Reports suggest the breach was carried out by a hacking group and the B2B customer database was published on a hacking forum. The breach allegedly exposed approximately 180 business customers, with the compromised data including company names, email addresses, phone numbers, geographic locations, usernames, and MD5-hashed passwords.
  • Date: Mar 28, 2025
  • Domain: syrenadywany.nazwa.pl
  • Threat Actor: Fkzsecxploit.dev
  • Country: Poland
  • Category: E-commerce & Retail
  • Data: Email Addresses Passwords Phone Numbers Geographic Locations Usernames Company Information
  • Records: 182
  • Lines: 191
  • Size: 20.14 KB
  • Passwords: MD5
  • Cracked: 0%
In 2026, the Polish investment/trading event website Fxcuffs (fxcuffs.pl) allegedly suffered a data breach and defacement claimed by the hacktivist group Jama'at Al. It has been reported that the site's full WordPress database was exposed, covering roughly 2,100 individuals — around two dozen administrator/author accounts (with WordPress password hashes) plus blog-comment authors — including names, usernames, email addresses and IP addresses.
  • Date: 2026
  • Domain: fxcuffs.pl
  • Threat Actor: Jama'at Al
  • Country: Poland
  • Category: Finance & Payments
  • Data: Email Addresses Passwords Names Geographic Locations Usernames IP Addresses Site Activity
  • Records: 7,008
  • Lines: 4,713
  • Size: 1.02 MB
  • Passwords: BCrypt, PHPass
  • Cracked: 0%
The Polish bodybuilding and fitness community site BestBody (bestbody.com.pl) allegedly had its user database exposed. It has been reported that around 66,000 registered-user records were compromised, covering roughly 54,000 distinct email addresses. The exposed data reportedly included first and last names, email addresses, gender, and account registration and activity dates. No passwords were included in the dataset.
  • Data: Email Addresses Names Geographic Locations Genders Site Activity
  • Records: 66,643
  • Lines: 66,643
  • Size: 6.38 MB
  • Passwords: No
Sometime in or before 2023, the Polish company Klonex (klonex.com.pl) allegedly suffered a data breach. Klonex is a distributor of CATV, broadband and telecommunications equipment. The exposed WordPress and WooCommerce database reportedly contained data relating to a few hundred individuals, including email addresses, names, usernames, company information, phone numbers, geographic locations, IP addresses, and a small number of passwords stored as phpass hashes.
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Security Credentials Government IDs IP Addresses Site Activity Company Information
  • Records: 516
  • Lines: 237,922
  • Size: 175.29 MB
  • Passwords: PHPass
  • Cracked: 0%
Ploumeter.pl is a web-based water-metering management platform used by housing associations, municipalities, and utility companies in Poland. It has been reported that ploumeter.pl allegedly suffered a data breach. Approximately 970 individuals were affected, with data including names, email addresses, phone numbers, usernames, and organization details such as company names and addresses.
  • Data: Email Addresses Names Phone Numbers Physical Locations Geographic Locations Usernames Company Information
  • Records: 3,030
  • Lines: 3,030
  • Size: 372.22 KB
  • Passwords: No
Sometime around 2020, an unidentified Polish e-commerce store running on the custom "Exerion" platform allegedly suffered a data breach. Reports suggest approximately 215,000 individuals were exposed, including email addresses, logins, first and last names, phone numbers, Polish tax (NIP) numbers, genders, and password hashes (md5crypt and salted SHA-512).
  • Date: 2020
  • Country: Poland
  • Category: E-commerce & Retail
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Government IDs Genders Site Activity
  • Records: 279,984
  • Lines: 289,432
  • Size: 110.53 MB
  • Passwords: MD5Crypt, SHA-512 Salted
  • Cracked: 0%

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.