Inside buziaczek.pl Stealer Logs: 5,765 Passwords Harvested

HEROIC analysts uncovered a stealer log file focused on buziaczek.pl, a Polish dating and social platform, that was uploaded to Telegram in June 2026. The dataset contains 5,765 compromised records extracted by infostealer malware, including email addresses, plaintext passwords, and the URLs of services where credentials were captured.

Dating platforms carry particularly sensitive data, and the exposure of login credentials tied to buziaczek.pl creates risks that extend beyond simple account access. Victims face potential blackmail, social engineering, and reputational harm in addition to standard credential theft.

Why Plaintext Passwords Demand Immediate Action

Every password in the buziaczek.pl stealer log is stored in plaintext — completely unencrypted and readable by anyone who accesses the file. There is no hashing algorithm to slow down attackers and no cryptographic barrier to overcome. Each credential is ready to be used against victim accounts the instant it is obtained.

This is especially dangerous for dating platform users. Attackers who gain access to a dating profile can harvest personal photos, private messages, and relationship details that victims would never want made public. The combination of plaintext passwords and sensitive platform data creates a perfect storm for extortion attempts.

What Was Exposed in the buziaczek.pl Dump

• Email Addresses — Personal email accounts linked to buziaczek.pl profiles, exposing both the identity of users and their primary communication channels.
• Plaintext Passwords — Fully readable login credentials harvested directly from victims' browsers or password managers by malware.
• URLs — The specific web addresses where each credential was captured, confirming which services and pages the victims were actively using.

Why 5,765 Dating Site Credentials Pose Outsized Risks

Credential stuffing attacks become particularly effective when attackers know the type of service a victim uses. The 5,765 records in this dump are not random — they belong to users of a dating platform, which tells attackers these individuals likely also have accounts on other social and dating services.

With password reuse rates exceeding 60% across online populations, attackers can systematically test each stolen credential against competing dating apps, email providers, social networks, and financial platforms. A single compromised buziaczek.pl password could unlock a chain of accounts across a victim's digital life.

How Stealer Logs Extract Credentials from Your Browser

The technical mechanism behind this breach is infostealer malware — software that infiltrates a device through malicious downloads, phishing emails, or compromised websites. Once installed, the malware silently monitors browser sessions and extracts login credentials as they are entered or retrieved from saved password stores.

The extracted data is structured into log files organized by domain name, making it easy for threat actors to filter and distribute credentials for specific services. The buziaczek.pl file was shared on Telegram, where stealer logs have become a common commodity traded in public and private channels. This distribution model means thousands of attackers may have already accessed these credentials.

Check If Your Credentials Were Compromised

If you have ever used buziaczek.pl or believe your device may have been infected with malware, HEROIC offers a free breach scanner that checks your email against more than 400 billion compromised records. The scan can reveal whether your credentials appear in this stealer log or any other breach in the database.

Act immediately if your information is found. Change your buziaczek.pl password and every other account that shares the same credentials. Enable two-factor authentication wherever available, and consider running a full malware scan on any devices you use to access online services.