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20 Jun

Six-factor authentication (it’s not)

Today I read an article in The Register called Tor torpedoed! Tesco Bank app won't run with privacy tool installed.

It's a fun read about Tesco's Android banking app and how it refuses to run when Tor application is installed on your mobile. But what really caught my attention, is this comment to the article:

I did a count of my account with a certain bank and when I use a PC which does not store their funky cookies, I get 6 (yes really, 6) steps for authentication.

  • Initial Customer code
  • Security password as there is no cookie so PC is not recognised
  • pre-agreed image
  • pre-agreed phrase
  • Customer Number
  • Security code

and if I use a Windows PC it whinges that I don't have cRapport which would 'improve my security'
So 6-Factor security isn't good enough and you want an extra package to help???????

Sir, if you ever read what a multi-factor authentication is, you wouldn't be stating such nonsense. All six of the steps you mentioned are of the same factor - "something you know". As such, they provide no additional security, as one keylogger/screengrabber will capture them all.

Why your bank insists on you jumping over so many redundant hoops, remains a mystery..

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20 Jun

Six-factor authentication (it’s not)

Today I read an article in The Register called Tor torpedoed! Tesco Bank app won't run with privacy tool installed.

It's a fun read about Tesco's Android banking app and how it refuses to run when Tor application is installed on your mobile. But what really caught my attention, is this comment to the article:

I did a count of my account with a certain bank and when I use a PC which does not store their funky cookies, I get 6 (yes really, 6) steps for authentication.

  • Initial Customer code
  • Security password as there is no cookie so PC is not recognised
  • pre-agreed image
  • pre-agreed phrase
  • Customer Number
  • Security code

and if I use a Windows PC it whinges that I don't have cRapport which would 'improve my security'
So 6-Factor security isn't good enough and you want an extra package to help???????

Sir, if you ever read what a multi-factor authentication is, you wouldn't be stating such nonsense. All six of the steps you mentioned are of the same factor - "something you know". As such, they provide no additional security, as one keylogger/screengrabber will capture them all.

Why your bank insists on you jumping over so many redundant hoops, remains a mystery..

Leave a Reply

Your email address will not be published.

Number