1 Jan, 2017

Recently I've been working on a drop in class to manage certain "Secure Headers" in PHP.

By "Secure Headers", I'm of course talking about those mentioned in the OWASP Secure Headers Project.

The project, SecureHeaders is available on GitHub.

Why?

If you're familiar with PHP, you'll know that...[read more]

27 Aug, 2016

Disclosure and Google's Response

This one feels very strange writing, because the vulnerability detailed below is currently exploitable. Google has been notified of this vulnerability, yet they have chosen to do nothing.
GoogleThanks for your bug report and research to keep our users secure! We've investigated your submission and made the decision not to track it as a security bug.
In hope that public disclosure will encourage Google to do otherwise, here goes...[read more]
22 May, 2016
Biometric sensors are good at identity. They can tell you exactly who a fingerprint belongs to; who's face is in-front of the camera; even who's DNA was left at a crime-scene. But biometric sensors are not good authenticators.

Replay Attacks

Let's say Bob, thinks it's a good idea to add a voice activated lock to his house...[read more]
4 May, 2016

Preamble

A little over a month ago I contacted my bank (Santander), asking them why they served me their homepage insecurely...[read more]
2 May, 2016
In this post I'll address one specific task: obtaining a manual certificate from Let's Encrypt.

Who is this for?

If you don't have direct command line access, or the necessary permissions to install Let's Encrypt on your webserver; then you won't be able to obtain a certificate using the automated process.
If you can install Let's Encrypt on your webserver, you should. It simplifies the process down to a single command. You'll also enjoy the benefits of being able to setup an auto renew process directly on the machine serving the certificate...[read more]
1 Jan, 2017

Recently I've been working on a drop in class to manage certain "Secure Headers" in PHP.

By "Secure Headers", I'm of course talking about those mentioned in the OWASP Secure Headers Project.

The project, SecureHeaders is available on GitHub.

Why?

If you're familiar with PHP, you'll know that...[read more]

27 Aug, 2016

Disclosure and Google's Response

This one feels very strange writing, because the vulnerability detailed below is currently exploitable. Google has been notified of this vulnerability, yet they have chosen to do nothing.
GoogleThanks for your bug report and research to keep our users secure! We've investigated your submission and made the decision not to track it as a security bug.
In hope that public disclosure will encourage Google to do otherwise, here goes...[read more]
22 May, 2016
Biometric sensors are good at identity. They can tell you exactly who a fingerprint belongs to; who's face is in-front of the camera; even who's DNA was left at a crime-scene. But biometric sensors are not good authenticators.

Replay Attacks

Let's say Bob, thinks it's a good idea to add a voice activated lock to his house...[read more]
4 May, 2016

Preamble

A little over a month ago I contacted my bank (Santander), asking them why they served me their homepage insecurely...[read more]
2 May, 2016
In this post I'll address one specific task: obtaining a manual certificate from Let's Encrypt.

Who is this for?

If you don't have direct command line access, or the necessary permissions to install Let's Encrypt on your webserver; then you won't be able to obtain a certificate using the automated process.
If you can install Let's Encrypt on your webserver, you should. It simplifies the process down to a single command. You'll also enjoy the benefits of being able to setup an auto renew process directly on the machine serving the certificate...[read more]