Blog Archives

Threat Modeling: Toward Comprehensive Computer Security

Threat modeling has its origins in the military dating back long before the computer age. When Sun Tzu wrote in the fifth century BC that “if you know the enemy and know yourself, you need not fear the result of

Posted in Security, Threat Modeling

A Twisted Tale of Web Security: Clickjacking and X-Frame-Options

I don’t use frames. So I’m safe, right? With our focus on cranking out functionality, it’s easy to overlook the security implication of frames, especially if we’re building an application that doesn’t use frames. However, clickjacking is a serious security

Posted in Content Security Policy, HTTP Headers, X-Frame-Options

HTTP Public-Key-Pins (HPKP): Cut Out the Eavesdroppers

The foundation of trust upon which all web commerce depends begins with the browser. The browser trusts certificate authorities (CAs) and certificate authorities vouch for the identities of businesses. This system of public key infrastructure (PKI), however, is only as

Posted in Uncategorized

Start Secure: HTTP Secure Transport Security

As an experiment, please take a moment to type your bank’s URL into a browser. If you are anything like the vast majority of users, you wrote the URL without specifying the protocol scheme, that is you typed rather

Posted in HTTP Headers, Web Security

Content Security Policy: What are We Waiting For?

The Web Application Security Working Group of the W3C has created a standard for web security called Content Security Policy (CSP). Currently on version two with a version three in the works, CSP has been implemented by the majority of

Posted in HTTP Headers, Web Security

The RESTFulness of Single Page Applications

The frequent pairing of Single Page Applications and RESTful APIs goes well beyond the fact that both have become popular buzzwords. While the architectural styles of REST and Single Page Applications (SPAs) do not depend on each other in principle,

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Posted in REST

The Many Ways of Escaping: Dust.js Filters

Dust.js is a powerful JavaScript templating framework, currently maintained by LinkedIn, that can function both in the browser and server-side. At the moment, I’m working on an introductory presentation on Dust.js for the Silicon Valley Code Camp. And as I

Posted in Dust.js, JavaScript