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Moxie Marlinspike

Moxie Marlinspike Moxie Marlinspike is a pseudonymous ex-hacker, renowned cybersecurity expert and cryptographer. Moxie is known for his in-depth research of online privacy and anonymity issues, including man-in-the-middle attacks, secure protocols, encrypted mobile communication, etc.
Background and career: co-founder of Whisper Systems, member of the Institute for Disruptive Studies, currently the Director of Product Security at Twitter.
Prominent projects: Convergence (alternative approach to the CA system), sslstrip, RedPhone, GoogleSharing.

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SSL and the future of authenticity 4: Perspectives and Convergence models

Final part of Moxie Marlinspike’s Defcon talk outlines the alternatives of current CA system: ‘Perspectives’ and ‘Convergence’ projects. ‘Perspectives’ model So, let’s talk about things that I’m a little bit more inspired by. There’s a project called ‘Perspectives’ which came out of...

SSL and the future of authenticity 3: Trust agility concept

Moxie moves on with his Defcon talk to introduce and explain the notion of trust agility and outline trust requirements under DNSSEC1 authenticity model. I think it’s a good idea to look back at what happened to Comodo. Well… nothing happened to Comodo. But why? Why did nothing happen? What could we...

SSL and the future of authenticity 2: certificate authorities

Second part of Moxie Marlinspike’s presentation dedicated to the authenticity component of a secure protocol and the general perceptions of SSL problems. Authenticity is important of course, because normally, if you establish a secure session with a website, the problem is that if you don’t have...

SSL and the future of authenticity: Comodo hack and secure protocol components

Defcon presentation by computer security researcher Moxie Marlinspike on the past, present and the future of SSL encryption protocol and authenticity as such. Okay, let’s talk about SSL and the future of authenticity. Really, this talk is about trust, and I wanna start this talk out with a story – it’s...

Changing threats to privacy 4: Moxie Marlinspike on PGP, OTR encryption and mobile privacy.

Again, if I’m looking into the future, the first thing I wanna do is deal with the choices that aren’t really choices. The second thing I wanna do is worry a little bit less about information freedom. And the third thing is I wanna worry a lot more about forward security and this key disclosure problem....

Changing threats to privacy: Moxie Marlinspike on privacy threats at Defcon. Part 3.

So one project that I started working on is called ‘GoogleSharing’. The basic premise of ‘GoogleSharing’ is that this choice that we are given is a false choice, and that we shouldn’t accept it, we should just reject it. So what we should say is, you know, it’s not really possible for us to stop...

Changing threats to privacy: Moxie Marlinspike on privacy threats at Defcon. Part 2.

One of my favourite most recent examples of small choices becoming big choices is this Firefox extension called ‘Adblock Plus’ – I’m sure that many people are familiar with this. The idea is that it’s supposed to help you block ads on the web. And the way it works is it allows you to specify a set...

Changing threats to privacy: Moxie Marlinspike on privacy threats at Defcon

The well-known whitehat hacker and internet security researcher Moxie Marlinspike (born Matthew Rosenfeld) speaks on privacy threats at Defcon. Мy name is Moxie Marlinspike, I’m from the Institute for Disruptive Studies. And I would like to take some time to talk about privacy. What I’d like to do is...