Postown.net Combolist: 519 Emails and Passwords Exposed

Postown.net Combolist Leaks 519 Email and Password Pairs

In June 2026, HEROIC analysts identified a combolist tied to postown.net uploaded to Telegram. The file contained 519 records pairing email addresses with plaintext passwords, along with the URLs each credential was tied to. Small combolists like this one still carry real risk, since every record represents a working login someone else can now access.

Why This Small Leak Still Matters

Because the passwords are stored in plaintext, no cracking is required to use them. Anyone who obtains this file can immediately try the 519 email and password combinations against other accounts. A small record count does not mean small risk. If even one of these 519 people reused a password on their email or bank account, that single credential is enough to cause serious damage.

What Was Exposed

• Email addresses
• Plaintext passwords
• Associated URLs (the sites tied to each account)

Why This Matters

Combolists like this one feed directly into credential stuffing, where stolen login pairs are tested automatically against many different websites. Because the passwords here are already in plaintext, attackers can start testing immediately. Anyone whose credentials appear in this file faces a higher risk of account takeover, identity theft, and financial fraud, especially if they reuse passwords across services.

How a Combolist Like This Gets Made

Smaller combolists such as this one are often carved out of larger stolen credential sets, filtered down to accounts tied to a specific domain or service, and then shared separately to appeal to buyers who want a more targeted list. The postown.net label likely reflects the domain the accounts are associated with rather than confirmation that postown.net itself was directly compromised.

Check If You Are Affected

Even with 519 records, it is worth checking whether your information is part of this leak. HEROIC's free breach scanner searches a database of more than 400 billion leaked records, including combolists like this one, so you can find out quickly and update any passwords before someone else uses them.