Recent cybersecurity reports have identified several large-scale credential leaks specifically targeting the Polish digital ecosystem:

In 2026, threat actors advertised a massive "Poland Combolist" containing 63 million records, targeting users of major portals like interia.pl , wp.pl , and o2.pl .

If you suspect your credentials may be in such a list, experts recommend the following actions:

Activate Multi-Factor Authentication (MFA) on all critical accounts. This prevents unauthorized access even if an attacker has your correct password.

These lists are frequently compiled from infostealer logs —data stolen directly from infected user devices rather than a single website breach. How to Protect Yourself

Typically follows a standardized email:password or username:password structure.