cybersecurity
Browse posts in this collection.
Discovering and blocking legacy authentication in your Azure and Microsoft 365 subscriptions
If you are concerned about the security risks posed by outdated authentication methods, this post explains why disabling legacy auth is crucial for enforcing multi-factor authentication and protecting your cloud identities. I will guide you through identifying these vulnerable protocols in Azure Portal and outline the steps to effectively block them, helping you secure your organization against credential exposure.
Five years, and not counting anymore: Bye, Facebook (and Instagram)
Discover why I chose to step away from Facebook and Instagram five years ago to reclaim my focus and mental energy. This post explores how leaving these platforms helped me break free from mindless scrolling and addiction, allowing me to prioritize deeper, real-world connections and regain clarity in my daily life.
Generating random numbers from a lava lamp using .NET Core
Inspired by Cloudflare’s LavaRand system, I share my experience building a makeshift random number generator using a lava lamp, a webcam, and .NET Core. I explore the technical challenges of capturing true randomness from analog chaos and why creating this intentionally fragile setup offered more educational value than standard algorithms.
I'm presenting two sessions at ESPC '23!
If you’re planning to attend ESPC '23 in Amsterdam, you’ll want to join me for two sessions that blend practical AI integration with robust security strategies. I’ll be sharing hands-on guidance for leveraging Azure OpenAI Services and demonstrating how to secure your infrastructure using Zero Trust principles and Microsoft Entra Global Secure Access.
Insights: Protecting the home network with Cloudflare's new (and free) 1.1.1.1 for Families, that now has malware blocking
In this post, I share my experience with Cloudflare’s new free 1.1.1.1 for Families service, which adds malware and adult content blocking to their popular DNS. I investigate how the filtering actually works by examining the underlying Cloudflare for Teams controls, ultimately finding that the service offers robust privacy and performance benefits for protecting a home network.
Jussi Roine
Microsoft MVP and consultancy founder with 30+ years of experience, passionate about Microsoft security, AI governance, and sharing what I learn along the way.