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What is a Temporary Security Number and when do I use it?

A Temporary Security Number is a code we use as an additional security measure to confirm your identity if:

 

  • you're registering for Online Banking for the first time

 

  • you've forgotten your login details

 

  • you're using a browser on a computer or mobile device we don't recognise and we don't have your up to date mobile phone number.

 

We'll send the Temporary Security Number to you by text message, if we have your up to date mobile phone number. If we don't, we'll send it by post and you'll have to wait for it to arrive before you can log in to Online Banking.

 

When you receive your Temporary Security Number return to the Registration or Login screen. You'll be asked to enter the Temporary Security Number in full to complete registration or reset your login details.

 

Your Temporary Security Number is valid for 30 days from the date it was requested and can only be used once. If it expires, you'll need to contact us to get a new one.

Version History
Revision #
4 of 5
Last update:
‎28-04-2015 11:47 AM
Updated by:
 
Contributors
Comments
Rabs100206
Hello, can you please send me a temporary security number by text. I have locked out of my account and for some reason says it doesn't recognise my device even tho this is the one I use each time. Thanks
martinpringle

hi please can i be sent a security number

Hello @Rabs100206 & @martinpringle

Please follow the instructions in the below linked post so that we can get you back online Cat Happy

https://yourcommunity.tescobank.com/t5/Day-to-Day-Banking/Locked-out-from-online-banking-here-s-what...

Hitcher

Need a Temporary Security Number please.

 

Thanks.

Hi Hitcher, please private message our CET account including your DOB, postcode and mobile number so we can send you a Temporary Security Number (TSN). When sending your personal details please ensure you leave a space between each character as shown below.

A B 1 2 3 C D
0 1 0 1 0 0 0 0

0 1 2 3 4 5 6 7 8 9 

patrickparsoms1

please send temporary sec number

Hi patrickparsoms1, please private message our @CET account including your DOB, postcode and mobile number so we can send you a Temporary Security Number (TSN).

 

Please note: don't include the @ symbol when putting in the contact details via private message, just CET.

For details like your DOB, postcode and phone number, we ask for you to format it with additional spaces, i.e. A B 1 2 C D, 2 4 1 0 2 0 1 6 and 0 7 1 2 3 4 5 6 7 8 9 otherwise the information is removed by the system.

 

vmckev1987

Hi I need a temporary security number help please x

 

Mumb54

Can you send me a temporary security number sent to my mobile

Hi @vmckev1987 and Mumb54, if you follow the instructions in the below link, we will look to send a temporary security number so you can regain access to your online banking.

 

https://yourcommunity.tescobank.com/t5/Day-to-Day-Banking/Locked-out-from-online-banking-here-s-what...