Credential-Stuffing Attacks Targeting Wise Multi-Currency Accounts
Automated tools test breached email-password combinations against Wise's login, exploiting password reuse to access multi-currency accounts that may hold balances in several currencies, enabling attackers to initiate international transfers before the victim notices.
Part of: Credential Stuffing Account Fraud
Last reviewed: 8 June 2026
Wise's multi-currency accounts can hold balances in dozens of currencies simultaneously, making a compromised account especially valuable to criminals. Unlike a single-currency account where the damage is capped by one balance, a Wise account may contain meaningful amounts in GBP, EUR, USD, and other currencies that attackers can quickly convert and transfer internationally.
Credential-stuffing attacks against Wise exploit the same fundamental vulnerability as attacks on other platforms: users who have reused their Wise email and password at any service that subsequently suffered a data breach are exposed. Attackers obtain breach databases, run automated credential tests, and collect any accounts where the combination works.
Wise's real-time transfer capability makes rapid exfiltration possible: once logged in, an attacker can initiate international bank transfers within minutes, subject only to any 2FA or balance-size friction points the user has configured.
How this scam works on the Wise brand
Real Wise logins generate alerts for new-device access and send email confirmations for transfers. These alerts are the victim's first line of notification — but they may be dismissed as routine, or the attacker may change the linked email before the victim acts.
A credential-stuffing session against Wise: the bot finds a matching credential, logs in, checks the multi-currency balances, converts all holdings to a single currency, adds a new recipient bank account, and initiates a transfer. Wise's transfer-confirmation flow typically sends an email or SMS with a verification code — if the 2FA is SMS-based, a previously executed SIM swap might also be used in combination. If no 2FA is active beyond password, the transfer may complete without further friction.
Criminals running Wise-targeted stuffing campaigns are often aware of Wise's international transfer speed and target accounts with significant balances in major currencies.
Common red flags
- Wise sends a 'new device login' email for a device and location you do not recognise
- Currency balances in your Wise account have changed without your action
- A new recipient has been added to your Wise account
- Your linked email address or phone number has been changed in Wise settings
- You use the same email-password combination for Wise as for any other service that has ever been breached
How to protect yourself
- Use a password unique to Wise — use a password manager to generate and store it
- Enable the strongest available 2FA option on your Wise account, preferably an authenticator app
- Turn on email and in-app notifications for every Wise login, recipient addition, and transfer
- Check haveibeenpwned.com to see if your email appears in known breaches
- Review your Wise account's recipient list regularly and remove any entries you do not recognise
- Set up a dedicated email address for Wise that is not used elsewhere
How to report it
- Contact Wise support at wise.com/help immediately if you detect unauthorised access
- File a report with the FTC at reportfraud.ftc.gov
- Report to Action Fraud at actionfraud.police.uk (UK) or IC3.gov (US)
- Contact your national financial regulator if significant sums were transferred internationally
- Forward any related phishing emails to [email protected]
Frequently asked questions
How quickly can a compromised Wise account lose its balance?
Wise transfers are fast — some complete within seconds, others within hours. An attacker with login access can initiate transfers quickly. This makes early detection through login and activity alerts critical.
Does Wise offer any protection against credential-stuffing logins?
Wise uses device fingerprinting and risk scoring to flag unusual logins and may require additional verification from new devices. Users who enable strong 2FA and receive login notifications are significantly better protected.
Can Wise recall an international transfer initiated by an attacker?
Wise will attempt to recall unauthorised transfers if reported quickly, but success depends on how far the transfer has progressed and whether the recipient institution cooperates. Report immediately through wise.com/help — time is critical.