Be warned there is a phish doing the rounds purportedly from Barclays.
Do not click on the link if you receive any such email, it is a phish designed to trick you into revealing your pass codes etc.
Barclays Security Notification
We noticed a violation of our services on your account, this
may have occurred due to a viral infection on your computer
when you last accessed your account online.
For security reasons, we have temporarily disabled access to
your account until you complete the account restore process.
Please Click Here To Restore Your Account
Barclays Customer Services