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The WiKID Blog

The WiKID Blog, musings on two-factor authentication, information security and some other stuff.

Thoughts on the RSA SecurID 800 paper

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

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.

Article in [IN]Secure magazine: Adding two-factor to Google apps

You can download the latest [In]Secure Magazine Issue 34 in pdf format here:  net-security.org/insecuremag.php

More on the Security of Software Tokens

A long time ago, I had a blog post discussion with Securology about the security of software tokens. Since then there has been a massive shift away from hardware-based tokens. A recent post on sensepost about cloning RSA software tokens will rekindle this discussion. Indeed, this morning I discussed it on twitter with boB Rudis and Rafal Los

Accidental Rugged Devops

This week at Secureworld Expo Atlanta, I had the pleasure of hearing Gene Kim talk about Rugged DevOps. When I first ran into Gene, he was with someone I worked with previously at another start-up.  That sent me down memory lane.

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