WoTT IoT Blog Musings, thoughts, ideas, releases on security for the internet of things
Open Source Using WoTT to Secure a Paho MQTT Client By Fiona McAllister on July 19, 2019 Using WoTT to Secure a Connection from a Paho MQTT Client to an MQTT Server (Mosquitto MQTT Example included) Introduction In a previous example we discussed how to secure connections between an Mosquitto MQTT broker and the Mosquitto client. In that there are several different brokers for an MQTT brokers, there are... Continue reading
Connecting Edge IoT devices with Kubernetes By Viktor Petersson on July 18, 2019 Bridging Edge IoT devices with Kubernetes Required Skill Level: Medium to Expert In my last blog post, we covered how to configure Nginx to use Mutual TLS (mTLS). This illustrated how mTLS can both simplify the back-end, while also make it more secure. In this article, we will take this one step... Continue reading
Using WoTT to Secure Access to a Mosquitto MQTT Server By Fiona McAllister on July 15, 2019 Using WoTT to Cryptographically Secure Access Between a Mosquitto Brokered MQTT Client and Server Introduction Mosquitto is a lightweight message broker for MQTT. MQTT itself is a pub-sub messaging protocol that is particularly popular amongst IoT applications due to its optimisation for high-latency networks. Together, they are effective for IoT usage being... Continue reading
Configuring Nginx with client certificate authentication (mTLS) By Viktor Petersson on July 15, 2019 Configuring Nginx with client certificate authentication (mTLS) Required Skill Level: Medium to Expert One of the cornerstones of Zero Trust Networking is Mutual TLS (known as mTLS). In simple terms, this means that each client is required to present a certificate to talk to the server. This is different compared to how... Continue reading
Using WoTT credentials to manage access to Adafruit IO feeds By Fiona McAllister on June 27, 2019 Using Adafruit IO with WoTT Credentials Introduction Adafruit IO is a free cloud service interested in making IoT accessible to everyone through presenting data in a useful and user-friendly way. Services that they provide include linking your IoT devices to Twitter and weather services. You can also use Adafruit IO to monitor... Continue reading
Using WoTT credentials to manage access to Screenly OSE By Fiona McAllister on June 25, 2019 Using WoTT to secure access to Screenly Introduction Screenly is a service that provides digital signage and acts as an OS on the host device. Essentially it treats your host device as a streaming service that projects visual media (such as images and webpages) onto a monitor from multiple different sources. Think... Continue reading
Using WoTT credentials to manage access to a Python 3 WebApp By Fiona McAllister on June 18, 2019 Another simple WebApp example Introduction In a previous example we introduced you to setting up a Simple WebApp using mTLS to provide security. This is one of a few ways to secure connection between a client and a server. In this example, we’ll be using another simple WebApp that instead uses HTTP... Continue reading
Using WoTT to secure a simple Python 3 WebApp By Fiona McAllister on June 16, 2019 A simple WebApp example Introduction In the following example, we’ll walk you through how to secure a simple WebApp using WoTT. Before you begin, you need two devices with the WoTT Agent installed. This can be a combination of devices that are either a Raspberry Pi or a desktop running a Debian... Continue reading
Using WoTT to secure access to Google Core IoT By Fiona McAllister on June 14, 2019 Using WoTT with Google Core IoT Introduction Before we get started, you will need to install the gcloud tool. This is used to interact with Google’s services. You can find installation instructions here. Follow the instructions for your specific distribution. You will also need to have at least one device with the... Continue reading
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