7th January 2026 - 4 min read

Few things are more frustrating than having your debit card declined when you’re travelling and you know there’s money in your account. Many Malaysian banks require you to manually activate overseas spending on debit cards before traveling. Credit cards are typically enabled by default.
Unlike some international banks that detect unusual locations and verify it’s you, Malaysian banks take a “default deny” approach for debit cards. Your debit card won’t work outside Malaysia unless you enable it through your banking app first.
The activation process is straightforward. Open your mobile banking app and look for Card Management, then find “Overseas Spending” or “International Transactions,” toggle it on, and pick your travel dates.
Do this at least a day before you leave. Before you activate, check that your registered phone number and email are current. Banks use these to send fraud alerts and transaction approvals you’ll need while travelling.
Even with overseas spending activated, your card can still get blocked if something looks suspicious. Soft blocks send you a “Was this you?” notification. Confirm it in your app and you’re unblocked quickly. Hard blocks kick in after multiple wrong PINs or major security threats, and you’ll need to call the bank directly.
If your credit or debit card gets declined, first check your app for fraud alerts. Second, make sure overseas spending is still activated. Some banks switch it off after your travel dates end. If there’s no alert, use your app’s secure messaging or call your bank’s international customer service line. You can find these numbers on your bank’s website or saved in your banking app.
Note that if you’ve activated Maybank’s “Kill Switch” feature, you can’t reverse it through the app. You’ll need to visit a branch or call customer service.
Bring multiple cards from different banks. If your Maybank card fails, your CIMB card should still work (assuming both are activated). Pack two credit cards from different banks, two debit cards, and emergency cash.
Touch ‘n Go eWallet works in over 50 countries through Alipay+, and GrabPay can be used for Grab services across 8 Southeast Asian nations. However, acceptance is limited compared to Visa and Mastercard, which work at most merchants worldwide. Keep them as backups, but rely on your activated bank cards as your primary payment method.
Connect to the internet as soon as you arrive – either through airport or hotel Wi-Fi or by enabling data roaming – then open your banking app and activate overseas spending immediately. Some banks process it straight away while others need a couple of hours. Once it’s activated, test your card at an airport shop or your hotel.
If you can’t access your app, call your bank’s international customer service number and ask for emergency activation. Have your IC number, recent transactions, and security question answers ready.
Two weeks before departure, update your contact details in your banking apps. Make sure you have internet access on your phone while travelling so you can approve transactions through your banking app.
The week before you fly, activate overseas spending for all your debit cards. Remember to do this separately for each card – if you have multiple debit cards from the same bank, each needs individual activation. Save your bank’s international customer service numbers in your contacts, and tell someone at home your travel dates and bank details.
Once you arrive, test your card at an airport shop or your hotel. Check transaction notifications daily, and keep your main card plus one backup in your wallet with extras stashed separately.
If you’re looking for cards with better overseas benefits, check out RinggitPlus’s best travel credit cards comparison to find one that earns you miles or cashback on international spending.
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