cloud security

Welcome! I am excited to help you dive into the world of cloud security. Before we map out our journey and look at our first topic, I would love to learn a bit more about you so I can tailor everything to your style.

To start, could you tell me a little about your background? For example, are you brand new to IT and cybersecurity, or do you already have some experience that you are looking to apply to the cloud?

I am brand new to IT and cybersecurity.

It is wonderful to have you here! Since you are brand new to IT and cybersecurity, we will take things one clear step at a time, using everyday analogies to make these concepts stick. Before we dive into the lessons, let's look at the roadmap we will follow to build your cloud security foundation.

Your path

Identity and Access Management (IAM)

Securing Cloud Data and Infrastructure

Cloud Security Monitoring and Compliance

What is Cloud Security?

To understand cloud security, we first need to look at how businesses used to handle their technology. Traditionally, companies ran their software and stored their data on physical computer servers located right inside their own offices. Securing that setup was like securing a physical bank: you put lockable doors on the server room, hired security guards, and set up a strong digital using firewalls to keep outsiders from slipping into your internal network. But today, companies are moving their digital assets to the "cloud"—which really just means renting space on massive, high-powered servers owned by companies like Amazon, Microsoft, or Google, and accessing them over the internet. Because your data and applications are no longer locked inside your own building, we can't rely on physical walls or a single entry gate anymore. is the entire collection of technologies, policies, and practices designed to protect this online data, the applications running on it, and the underlying infrastructure from being stolen, leaked, or disrupted.

A visual comparison of traditional perimeter-based castle-and-moat security on the left and distributed, zero-trust cloud security with individual verification checks on the right.

As you can see, instead of building one giant wall around a single building, cloud security focuses on securing individual connections, identities, and data packets no matter where they travel. This makes it highly flexible but also introduces some unique challenges that we will explore together.