How Do We Protect You  

To ensure you can access your accounts with the utmost confidence, AIB use the highest levels of industry standard security:



Click on the headings below to get more information about how we protect you: 

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    Secure Log In

    Secure log in – Our Internet, Mobile and Tablet Banking services employ a secure login process. Remember, it is important that you never disclose your personal log in information to a third party.

    If you are getting a message about the security certificate when logging onto the service using Google Chrome, click here for information.

    Before entering any secure information on the page presented to you, always make sure that the website belongs to us.

    The AIB Banking website addresses are:



    If you are using Third Party Provider Services (to share balances or transactions on your Account through our APIs) you will be re-directed to the below websites during the process:


    • AIB -

    • First Trust Bank -

    • Allied Irish Bank (GB) -


    When logging in:


    1. Check our security certificate to confirm you are linking to AIB, First Trust Bank or Allied Irish Bank (GB).

    2. Once you are satisfied that you are connected to the correct website, enter your 8 digit Registration Number.

    3. You will then be asked to enter 3 random digits from your Personal Access Code (PAC).

    4. Periodically, a third security question may be requested at login stage on Internet Banking.

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    Logging in to the AIB Mobile Banking App

    First you enter your 8-digit Registration number followed by the 3 random digits from your PAC (Personal Access Code). The set up process for the App will securely tie your Registration number to your mobile phone.


    After this initial setup process you will subsequently log into the app by entering 3 random digits from your PAC or by using Face ID, Touch ID or finger print authentication.


    You can unregister your Registration number from your phone within the App or if you have concerns of fraud you can also unregister the App via Internet Banking, Tablet Banking or by calling a Customer Service Advisor on +353 1 77 12 424. Our operating hours are 08:00 to 00:00, 7 days a week.

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    Encrypted Website

    To ensure you can access your accounts over the Internet with the utmost confidence, we use the highest levels of industry standard security. As part of this security our connections use TLS1.2, the connection is encrypted using the Advanced Encryption Standard (AES) and keys are exchanged via Diffie-Hellman ciphers.

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    Auto Time-Out

    This feature aims to protect you against unauthorised access.

    AIB Internet Banking and AIB Tablet Banking will automatically log you out after 7 minutes of inactivity. However 60 seconds before you are timed out due to inactivity, you will see a prompt and will have the option to remain logged in.

    AIB Mobile Banking will automatically log you out after 4 minutes of inactivity.

    You must be actively browsing to stay connected (i.e. switching between accounts).

    Please note: Scrolling through statements does not count as active browsing. Active browsing is when you are clicking on links within the website, i.e. selecting a different tab on the left of the screen or switching between accounts.

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    Time and Date Stamp

    Each time you log in to Internet Banking we will display the details of your last log in. This is an additional security measure that we have taken to ensure that you can see if someone has fraudulently accessed your accounts online.

    The details shown are the day, date and time on which you last accessed the service. It is important that you check your last log in every time you log in to Internet or Tablet Banking. It will be displayed in the top navigation bar. If you are suspicious of the last log in shown and do not recall logging into Internet, Mobile or Tablet Banking on that date, please contact our Customer Service Advisers for assistance.

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    AIB Card Reader and Code Card

    The AIB Card Reader and Code Card offer extended security which enables us to offer customers an extensive range of services through AIB Phone & Internet Banking. For more information, please click here.

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    Text Alerts for AIB Credit and Debit Cards

    We may text you if we see suspicious activity on your credit or debit card.


    • For Debit Cards the text will come from +353873700700;

    • For Consumer Credit Cards the text will come from +353861801719; and

    • For Commercial Credit Cards the text will come from +353861801721.


    These numbers are for texting only and won’t answer if you ring them. We will identify ourselves straight away as ‘AIB’ and will not ask you for any personal information, account numbers or PIN numbers. You may be asked to confirm whether or not you made a transaction with a ‘Y’ or ‘N’ reply. If you are not happy to answer the text, contact us on the number on the back of your card. 


    For more information, click here

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