Paragon Initiative Enterprises Blog

The latest information from the team that develops cryptographically secure PHP software.

Everything You Know About Public-Key Encryption in PHP is Wrong

The perils and pitfalls involved with implementing public-key encryption in a PHP project, and how to do it right.


CMS Airship: Now and Tomorrow

The secure-by-default open source CMS is about to split.


Do-It-Yourself Hand-Crafted, Boutique, Artisinal Cryptosystems

How to quickly and effectively design a secure, custom cryptography protocol for your applications.


Guide to Automatic Security Updates For PHP Developers

Greatly improve the security of your software by making it automatically apply the latest security updates.


Untangling the Forget-Me Knot: Secure Account Recovery Made Simple

How to implement a secure and robust "I forgot my password" system.


On the (in)security of popular open source Content Management Systems written in PHP

An analysis of the deficits in the security features offered by WordPress, Drupal, and Joomla.


CMS Airship - Simply Secure Content Management - Now Available in the AWS Marketplace

CMS Airship is now available in the Amazon Web Services (AWS) Marketplace.


Crypto-misnomers: "Zero Knowledge" Considered Self-Descriptive

A dissection of the misnomers and bad ideas used in cryptography products.


HTTPS Made Easy: Setting up Caddy for PHP 7 on Debian Jessie

How to setup the Caddy webserver to work with PHP 7 on Debian Jessie


Securing a PHP Application in 2016: The Pocket Guide

A quick guide to eliminating the common threats when developing PHP applications in 2016.


The PHP Security Platinum Standard: Raising the Bar with CMS Airship

Announcing the first release of CMS Airship, which establishes the new PHP security platinum standard of today and the gold standard of tomorrow.


Constant-Time Encoding: Boring Cryptography, RFC 4648, and You

The case for character encoding that is safe to use to encode cryptographic secrets.


How to Generate Secure Random Numbers in Various Programming Languages

This blog post will maintain the industry best practices for securely generating random data in Ruby, Node.js, Java, etc.


What's New in Defuse Security's PHP Encryption Library Version 2

Our contributions to defuse/php-encryption and how it affects future behavior


Solve All Your Cryptography Problems in 3 Easy Steps

A layman's introduction to using Halite, our libsodium wrapper


Keyggdrasil, Continuum, and the Cryptography Powering CMS Airship

A deep dive into the cryptography protocols that will secure your blog, should you choose to deploy CMS Airship.


Go PHP 7 - Our Commitment to Maintaining our Open Source Projects

This is our promise to the community to support PHP 5 projects until EOL, and then no later.


Securely Implementing (De)Serialization in PHP

Deserializing a string into a data structure is a simple task riddled with security holes.


Introducing CMS Airship: A Secure Content Management System for the Modern Web

The beta release for a secure-by-default CMS built by Paragon Initiative Enterprises


Client Authenticity is Not the Server's Problem

The answer to a very frequently asked question that most people in the industry know without needing to read this.


One Login To Rule them All - Seamless and Secure Cross-Domain Authentication

How to authenticate a user on multiple domains without violating the Same Origin Policy.


Our Software Development Philosophy

A short meditation on the role of security engineering in software development


How to Safely Store Your Users' Passwords in 2016

Salted Password Hashing with Argon2, Scrypt, Bcrypt, and PBKDF2


On The Design and Implementation of a Stealth Backdoor for Web Applications

Or: How I won the password hashing category for the Underhanded Crypto Contest at DEFCON 23.


Need Technology Consultants?

Will tomorrow bring costly and embarrassing data breaches? Or will it bring growth, success, and peace of mind?

Our team of technology consultants have extensive knowledge and experience with application security and web/application development.

We specialize in cryptography and secure PHP development.

Let's Work Together Towards Success

Our Security Newsletters

Want the latest from Paragon Initiative Enterprises delivered straight to your inbox? We have two newsletters to choose from.

The first mails quarterly and often showcases our behind-the-scenes projects.

The other is unscheduled and gives you a direct feed into the findings of our open source security research initiatives.

Quarterly Newsletter   Security Announcements