HSBC UK on Twitter: "@groovyf Hi Craig, I understand your concern but there is an alternative option to set up a new telephone security number by calling us on 03457 404 404.
When trying to connect my bank it asks me to enter the security number. what security number? where am i getting it from?
![Twitter \ HSBC UK على تويتر: "@XandF Hi Alex, I'm so sorry about what's happened. Please can you send your full name and post code using the link below, so we can Twitter \ HSBC UK على تويتر: "@XandF Hi Alex, I'm so sorry about what's happened. Please can you send your full name and post code using the link below, so we can](https://pbs.twimg.com/media/D-Gr4x7XkAEjWff.jpg)
Twitter \ HSBC UK على تويتر: "@XandF Hi Alex, I'm so sorry about what's happened. Please can you send your full name and post code using the link below, so we can
![HSBC UK on Twitter: "@groovyf Hi Craig, I understand your concern but there is an alternative option to set up a new telephone security number by calling us on 03457 404 404. HSBC UK on Twitter: "@groovyf Hi Craig, I understand your concern but there is an alternative option to set up a new telephone security number by calling us on 03457 404 404.](https://pbs.twimg.com/media/D71O8NEXsAMqOAV.jpg)
HSBC UK on Twitter: "@groovyf Hi Craig, I understand your concern but there is an alternative option to set up a new telephone security number by calling us on 03457 404 404.
![HSBC mobile app and online banking crash leaving thousands of furious customers locked out of their accounts | The Sun HSBC mobile app and online banking crash leaving thousands of furious customers locked out of their accounts | The Sun](https://www.thesun.co.uk/wp-content/uploads/2023/01/m9mt1n-hsbc-online-banking-app-451356432.jpg?strip=all&quality=100&w=1080&h=1080&crop=1)