Glossary / Fraud & scams

Account Takeover

Account takeover is when a criminal gains unauthorised access to a legitimate user's account, such as an email or banking login, and uses it to commit fraud or redirect payments.

How does account takeover lead to payment fraud?

Account takeover is when a criminal gets into a real account that belongs to someone else, most often an email inbox or a banking login, usually via a phishing link, a leaked password, or malware. Once inside, they operate as the genuine user. In a payments context this is powerful: an attacker inside a supplier’s email account can watch for a real invoice, then reply from the legitimate address asking your team to update the bank details. Because the message truly comes from the supplier’s inbox, it sails past the usual “does this look right” checks.

Why it matters for Australian finance teams

A compromised account removes the warning signs finance staff are trained to notice. There is no lookalike domain and no odd sender address, just a trusted contact making a plausible request. This is the engine behind much business email compromise, which the ACCC’s Scamwatch and the Australian Signals Directorate consistently rank among the most expensive threats to Australian organisations. For accounts payable teams, the lesson is that a familiar email address is not proof that a bank account is safe to pay.

How ezyshield helps

ezyshield assumes the request itself may be compromised, so it verifies the thing that matters: does the person or business actually own the account you are about to pay. It confirms bank account ownership before money moves and re-verifies whenever details change, so a takeover-driven “please update our account” is caught before funds leave. It is not an email security or login-protection tool, so pair it with strong multi-factor authentication and access controls. See how it works and bank account ownership verification.

Also known as: account takeover fraud, ATO fraud

Last updated: 7 July 2026

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