Interesting discussion paper about mobile phone wallets
Tuesday, March 29th, 2011If you’re interested in authentication, or in how economic incentives impact security architectures, this is definitely worth reading:
If you’re interested in authentication, or in how economic incentives impact security architectures, this is definitely worth reading:
It will be interesting to see if the recent, successful attack against RSA revealed the seeds used to initialize RSA tokens. If so, those tokens are basically useless now – providing just 1 factor of authentication.
The big lesson here is not about RSA or even tokens per-se. It’s about concentration of risk. If the security of every one of the millions of RSA tokens issued to thousands of organizations around the world depends on the security of a single set of seed numbers, then it follows that there is too much trust vested in a single organization’s ability to protect a single (and small) data set.
Far better for each RSA customer to initialize its own tokens, using its own seed numbers. This way, a compromise would only impact that organization’s tokens – not anybody else’s. Limited harm.
I wonder if RSA would or even could change the SecurID token architecture to allow organizations to implement their own number sequences?