Viewing posts from June, 2012
Thoughts on the RSA SecurID 800 paper
Posted by: admin 12 years, 5 months ago
The original paper on the attack is Efficient Padding Oracle Attacks on Cryptographic Hardware' by Bardou, Focardi, Kawamoto, Simionato, Steel and Tsay> here (pdf). They have combined and optimized a handful of attacks against the PKCS#11 encryption that they claim make it possible to extract the private keys. There is a great summary by Matthew Green from John Hopkins.
I know something that isn't two-factor authentication
Posted by: admin 12 years, 6 months ago
William Edwards wrote a post entitled "I know someone whose 2-factor phone authentication was hacked…" about a friend whose bank account was drained by fraudsters. His bank relied on a dial-back system. The attackers social-engineered BT to re-route the phone calls. This attack is eerily similar to the recent attack on Cloudflare, which started with an attack on an AT&T account.
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