- My name is Ben Adida. I write about the intersection of the Web, Crypto, and Policy. More About Me.
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Category Archives: web
Protecting against web history sniffing attacks: an alternative
When a web site links to another web site, the link appears in a different color, usually a lighter shade of blue, if you’ve already visited the site. Unfortunately, this means that a malicious web site can learn what sites … Continue reading
Posted in security, web
6 Comments
It’s a WRAP followup: maybe the goal was client-side certs?
I’m having some interesting offline followup discussions with folks about oAuth WRAP and my relatively negative reaction to it. One of the comments seems to be that SSL will recreate exactly the security that HMAC signatures were trying to achieve, … Continue reading
Posted in security, web
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It’s a WRAP
I’m just finding out about oAuth WRAP, a new, simplified version of oAuth which some are calling the “valet key” approach to web data sharing: don’t give your Facebook password to a random web app, instead use oAuth to mint … Continue reading
Posted in security, web
6 Comments
Facebook account hacked
So this evening my Facebook account was hacked and spam messages were posted to a few dozen friends on my behalf. Thankfully, since I’m friends with a number of security-savvy folks, I was notified almost instantly. Now I’ve never cared … Continue reading
Posted in security, web
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Stefano thinks I’m a purist…
Stefano Mazzocchi is awesome and his thinking on Web-based data is incredibly nuanced and pragmatic, so it’s not often that I want to publicly disagree with him. But in his latest post, I think he’s off the mark. Stefano argues: … Continue reading
Posted in data, web
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A Partial Report from Social Network Security 2009 @ Stanford
On Friday, I attended Social Network Security 2009 at Stanford. This was a fantastic get-together, with some very interesting info from Facebook, Google, Yahoo, Loopt, and the research front. I have some notes, mostly from the first half of the … Continue reading
Posted in privacy, security, web
2 Comments
Real-world usage sometimes includes things you don’t like
When people criticize RDFa without much experience really working with it, I tend to ignore the comments, because they’re usually out to prove some subjective point about what they think the Web should be like (“prefixes are ugly!” “Yahoo’s RDFa … Continue reading
Posted in web
12 Comments
Multi-Factor, maybe, but is it really harder to phish?
MIT Tech Review asked me for a general comment on web authentication for their article covering new technology by Delfigo. There wasn’t enough time to look in depth at Delfigo’s technology, so my comments were about multi-factor authentication in general, … Continue reading
Posted in press, security, web
14 Comments
Engaging Data going, going….
The Engaging Data Conference at MIT, which brings together a number of interesting folks around the management of personal electronic data, is happening in October. The deadline for papers is this week, so submit a paper now if you’ve got … Continue reading
Posted in privacy, security, web
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Pot, Kettle, meet Zuckerberg
Facebook is an impressive company, they’ve done and continue to do some very amazing things. And I admit I certainly didn’t see them coming 4 years ago. But okay, come on: “No one wants to live in a surveillance society,” … Continue reading
Posted in data, privacy, web
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