Build your SD-WAN infrastructure with open-source tools
SD-WAN brings flexibility, scalability and lower cost. Here is how the pieces fit together when you build one from open-source components.
3 min read
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Technical articles explaining, step by step, what can be built with open-source tools.
Build a multi-layer virtual switch with open-source tools
Open vSwitch (OVS) is the software behind what is known as a virtual switch. A walk through what it does and how to put it to work.
4 min read
Build your virtualisation infrastructure with open-source software
You can stand up a virtualisation layer entirely on open-source tools. Here is what you need and how the components relate to each other.
1 min read
Build your own cloud storage with open-source tools
Assume your organisation has none of the pieces in place. This is where to start when building cloud storage you actually control.
1 min read
Take control of USB drives with open-source tools
Controlling what is copied to and from USB devices is one of the simplest wins in endpoint security — and it can be done with open-source tooling.
1 min read
Build your own Network Operations Centre (NOC) with open-source tools
A NOC monitors and manages an organisation's networks and systems. Here is how to assemble one without licence costs.
2 min read
Set up an open-source e-mail system and secure it
RainLoop lets users read, write, send and manage their e-mail. A look at building the mail stack and hardening it.
2 min read
Minimise downtime in your open-source database
Building a high-availability architecture for PostgreSQL: what the components are and how they fail over.
1 min read
Build your own cyber threat intelligence centre with open source
The tools you need to assemble a threat intelligence capability from open-source components, and how they connect.
2 min read
osquery and Snipe-IT: open-source system information collection
osquery exposes configuration, performance and security data about an operating system through an SQL interface. Paired with Snipe-IT it becomes an inventory.
4 min read
Build your central management tool with open-source software
Managing Windows, Linux and macOS clients centrally in your organisation — with open-source applications.
1 min read
Design your open-source monitoring stack
An open-source monitoring application usually consists of several components. Here is what each one does and how they fit together.
2 min read
Can you build a Web Application Firewall with open-source software?
A grounding in what a WAF is and what a structure built from open-source components would look like.
3 min read
Build your own video conferencing: the open-source EduMeet
EduMeet is an open-source, web-based video conferencing application. What it takes to run your own.
3 min read
Multi-layer security architecture with open-source applications
As cyber threats grow in number and complexity, organisations need defence in depth. How to achieve it with open-source tooling.
3 min read
A Zero Trust approach with open-source tools
Traditional security methods no longer offer adequate protection against sophisticated attacks. What zero trust means in practice.
3 min read
Microservice architecture security: some practical notes
Microservices are a popular way to build complex applications today — but they move the security problem rather than removing it.
3 min read
Machine learning in phishing detection
Phishing is how criminals mislead users into giving up sensitive information. How machine learning changes the detection problem.
2 min read
AI and security: where does Debian IT stand?
Cybersecurity threats keep growing. The role of artificial intelligence in defending against them, and what we do with it.
3 min read
Smart contract security: the basis of flawless operation
Smart contracts execute automatically once their conditions are met — which makes getting them right the whole game.
3 min read
Blockchain security: towards a distributed, auditable future
Blockchain has been one of the most striking elements of digital transformation in recent years. What its security model actually guarantees.
2 min read
Why open-source software?
We hear the term "open-source software" more and more. What it means, and why organisations increasingly choose it.
2 min read
Blockchain in cyber threat information sharing
Threat intelligence continues to grow in importance. What a distributed ledger adds when organisations share indicators.
1 min read
A cyber threat intelligence centre built on open-source applications
If you want to build a threat intelligence centre on a cost-effective and extensible foundation, this is where to start.
3 min read
Why cyber threat intelligence centres matter
Three years on from WannaCry tearing through the systems of some 150 countries, the cost of recovery passed ten billion dollars.
2 min read
Migrating to open source: where to start, and what we learned
Notes from migration projects: which layer to move first, what tends to go wrong, and how to keep the organisation working throughout.
1 min read
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