Are you with AIB?
A mathematician writes:
The principal danger with AIB’s online banking portal stems from the fact that there exist a great many accounts for which the first 6 digits of the ‘secret’ 8-digit registration number are simply the account holder’s birthday in DDMMYY format.
Allied Irish Banks’s web and mobile banking portals are ‘protected’ by a level of security that is twice as easy to crack as would be provided by a single password containing only two lowercase letters.
A person of malicious intent could easily gain access to hundreds, possibly thousands, of accounts as well as completely overwhelm the branch network by locking an estimated several 100,000s of people out of their online banking
Both AIB and the Irish Financial Services Ombudsman have refused to respond meaningfully to multiple communications each in which these concerns were raised privately [see link below]….
Mathematician and software engineer Oliver Nash