The Cowan.edu.au Leak Could Unlock Your Email, Bank, and Social Media

HEROIC analysts identified a combolist uploaded by a Telegram user on 10-Jun-2026 containing 1,693 records tied to cowan.edu.au. Each record pairs an email address with a plaintext password and a related URL, a working set of login credentials ready for anyone who downloads the file.

Why This Is Dangerous

The password in this file is stored in plaintext, so an attacker does not need to crack or decode anything before using it. If the password from a cowan.edu.au account matches the password on someone's email, banking, or social media account, that same credential could unlock all of them at once.

What Was Exposed

• Email addresses
• Plaintext passwords
• Associated URLs linking accounts to specific login pages

Why This Matters

Password reuse is what turns a single leak into a chain reaction. Attackers use combolists like this one to run credential stuffing attacks, testing the same email and password pair across banking sites, webmail, and social platforms. Anyone among the 1,693 records here who reused their cowan.edu.au password elsewhere is exposed to account takeover, identity theft, and financial fraud well beyond the original account.

How This Combolist Was Assembled

Combolists like this one are usually built by combining leaked credentials from older breaches, phishing pages, or stealer malware logs into a single file, rather than coming from one fresh attack on cowan.edu.au. Because they require little skill to build or use, they circulate quickly through Telegram channels and dark web forums.

Check If You Are Affected

Run a free scan with HEROIC's breach checker to see if your email appears in this cowan.edu.au combolist or any of the more than 400 billion leaked records in HEROIC's database. It only takes seconds to find out.