104,603 interia.pl Passwords and Emails Leaked in Stealer Log

104,603 interia.pl Credentials Found in a Telegram Stealer Log

On 17 June 2026, HEROIC analysts identified a large stealer log uploaded to a Telegram channel containing 104,603 records tied to interia.pl, the widely used Polish email and web portal. Each record pairs an email address with a plaintext password and the login URL where that password was captured, all harvested directly from malware-infected devices rather than a breach of interia.pl's own servers.

Why 104,603 Plaintext Passwords Is a Serious Problem

At this scale, the danger is not just that individual accounts could be accessed, it is that the sheer volume gives attackers a ready-made list for automated attacks. Because every password in this log was stored and stolen in plaintext, there is no encryption standing between the data and anyone who downloads it.

What Was Exposed

• Email addresses
• Plaintext passwords
• Login URLs tied to each interia.pl account

Why This Matters for interia.pl Users

With over 100,000 working credential pairs in circulation, credential stuffing becomes a near-certainty: attackers will run automated tools that test these emails and passwords against banking sites, social media, and other webmail providers. Anyone who reused their interia.pl password elsewhere is at risk of account takeover and, potentially, identity theft or financial fraud.

How a Stealer Log of This Size Gets Assembled

Infostealer malware spreads through pirated software, cracked games, and malicious attachments, then silently exports every saved password, cookie, and autofill entry from an infected browser. Criminals compile these individual infections into large logs like this one, organized by the sites the victims used, and share or sell them on Telegram to other threat actors looking for fresh, working credentials.

Check If You Are Affected

If you use interia.pl or have reused an interia.pl password on another account, check now. HEROIC's free breach scanner searches more than 400 billion breached and leaked records, including stealer logs like this one, so you can see immediately whether your information has been exposed.