Cloud security is one of the fastest-growing specialisations in cyber security, and one where the skills gap is widest. The ISC2 2025 Cybersecurity Workforce Study identified cloud security as the most sought-after skill area within the field, with 36% of organisations citing it as a critical gap. Cloud adoption has outpaced the development of security talent to protect it, and that imbalance is not closing any time soon.
For someone looking to build a career in cloud security, this is good news. Demand is high, salaries are strong, and the barrier to entry is lower than the specialism's reputation might suggest. What matters is starting in the right place with the right sequence, rather than trying to learn everything at once.
What Cloud Security Actually Involves
Before choosing where to start, it helps to understand what cloud security practitioners actually do, because it is a broader discipline than it first appears.
At its core, cloud security is about applying security principles to cloud environments, but the specifics differ meaningfully from traditional on-premises security. The shared responsibility model is the foundational concept: cloud providers secure the underlying infrastructure, while customers are responsible for securing what they deploy on top of it. Understanding where that line falls, and what falls on your side of it, is the starting point for everything else.
Cloud security work spans several areas. Identity and access management (IAM) is where most misconfigurations and breaches originate: controlling who and what can access cloud resources, with which permissions, under which conditions. Network security in cloud environments means VPCs, security groups, network access control lists, and traffic flow visibility. Cloud-native monitoring uses platform-specific tools like AWS CloudTrail, Azure Monitor, and GCP Security Command Center to detect threats and maintain visibility. Compliance and governance involves ensuring cloud deployments meet regulatory requirements and internal policy standards.
At entry level, the most common roles are cloud security analyst, junior cloud security engineer, and SOC analyst with cloud responsibilities. All three require a solid grounding in cloud fundamentals before the security layer can be added on top.
The Foundation: Cloud Fundamentals First
The most common mistake people make when targeting cloud security is trying to learn cloud security before they understand the cloud itself. The security layer only makes sense when you understand what you are trying to protect.
This means spending real time with at least one major cloud platform before focusing on security specifically. AWS, Azure, and GCP are the three platforms that matter for employment purposes. AWS has the largest global market share and the most job postings. Azure dominates large enterprise environments, particularly those using Microsoft technology stacks. GCP is strongest in data and machine learning workloads. For most people starting out, AWS is the most practical first choice because the breadth of job opportunities is widest.
The AWS Cloud Practitioner certification and Azure Fundamentals (AZ-900) are the entry-level credentials for each platform respectively. They are not security certifications, but completing one gives you the vocabulary and architectural understanding that makes cloud security concepts concrete rather than abstract. Expect four to six weeks of study to reach this point if you have a general IT background.
The Security Layer: What to Build Next
With cloud fundamentals in place, cloud security skill development focuses on five areas that consistently appear in entry-level job requirements.
IAM and least privilege. Identity is the primary attack surface in cloud environments. The majority of cloud security incidents involve misconfigured permissions, overly permissive roles, or compromised credentials. Understanding how IAM works on your chosen platform, including policies, roles, service accounts, and permission boundaries, is the single most important technical skill to develop. Practical exercises that involve creating and auditing IAM configurations build more useful understanding than reading documentation.
Network security configuration. VPCs, security groups, network ACLs, and traffic logging work differently in the cloud than in traditional networks. Understanding how to design network segmentation, restrict traffic flows, and analyse network logs in a cloud environment is consistently tested at interview for cloud security roles.
Cloud-native monitoring and detection. AWS CloudTrail, Azure Monitor and Sentinel, and GCP Cloud Logging and Security Command Center are the platforms' native tools for security visibility. Knowing how to configure logging, write detection rules, and investigate alerts using these tools directly is more valuable than general SIEM knowledge alone for cloud-specific roles.
The shared responsibility model in practice. Knowing where your responsibility begins and the provider's ends matters most in misconfiguration scenarios. Most cloud security incidents are not the result of sophisticated attacks but of services left publicly accessible, storage buckets with open permissions, or logging that was never configured. Understanding common misconfigurations and how to identify them is a core practical skill.
Scripting and automation basics. Cloud environments are managed through APIs and infrastructure-as-code. Basic Python and Bash scripting, and some exposure to tools like Terraform, are increasingly expected at mid-level and are worth beginning early.
Certifications Worth Pursuing
The certification path for cloud security is clearer than in some other specialisations because the major providers offer well-structured progression routes.
AWS Certified Security Specialty is the most recognised cloud security certification globally and is consistently requested in AWS-focused job postings. It validates practical ability to configure and implement security controls across AWS services. It is an intermediate-level cert, most appropriate after one to two years of AWS experience or intensive hands-on preparation.
Microsoft Certified: Security Operations Analyst Associate (SC-200) is the right credential for Azure-focused roles and is particularly relevant for organisations using Microsoft Sentinel as their SIEM. It is more accessible than AWS Security Specialty as a first security certification and maps well to SOC analyst roles in Microsoft environments.
CCSK (Certificate of Cloud Security Knowledge) from the Cloud Security Alliance has no experience requirements and covers cloud security principles across all platforms. It is a strong theoretical foundation credential and a practical starting point for people earlier in their cloud security journey than the AWS Specialty requires.
CompTIA Security+ remains the baseline filter for many job postings regardless of specialisation, and is worth completing early in the process if you have not already. It does not cover cloud security in depth but satisfies employer requirements that require a vendor-neutral foundational security credential.
TryHackMe SAL1 (Security Analyst Level 1) is worth considering for anyone targeting cloud security roles that sit within or alongside a SOC function, which describes the majority of entry-level cloud security analyst positions. SAL1 validates practical SOC skills through a live simulator exam rather than multiple choice, covering the alert triage, SIEM investigation, and incident response workflows that cloud security monitoring requires. Backed by Accenture and Salesforce, it is a strong complement to a platform-specific credential like SC-200 and directly addresses the detection and response competency that cloud security roles require on top of configuration and architecture knowledge. Explore SAL1
Hands-On Practice: Where to Build Real Skills
Cloud security knowledge that has only been studied and never applied produces candidates who struggle in technical interviews. The practical layer needs to be built alongside certifications, not after them.
Free cloud provider accounts. AWS, Azure, and GCP all offer free tiers that give you access to real platform environments. Building your own cloud environment, configuring IAM policies, setting up CloudTrail logging, and deliberately misconfiguring and then remediating settings is the most direct way to build genuine understanding. There is no substitute for working in a real cloud console.
TryHackMe's cloud security content provides guided, hands-on cloud security labs that cover the concepts and scenarios most relevant to entry-level roles. The Cloud Security Pitfalls room covers the risks organisations face when migrating to cloud environments and how to address them from a SOC perspective. The Intro to Cloud Security room covers fundamental concepts across IaaS, PaaS, and SaaS models with practical exercises. Beyond cloud-specific content, TryHackMe's SOC Level 1 path builds the detection and response foundation that cloud security monitoring roles require, and the SAL1 certification validates those skills in a live exam environment. For cloud security candidates, combining platform-specific cloud knowledge with TryHackMe's practical SOC and cloud content produces a profile that addresses both sides of what employers are hiring for.
Building a documented portfolio. Every lab, every misconfiguration you find and fix, every detection rule you write is evidence of practical ability. Documenting your work in short writeups that describe what you built, what you found, and what you learned creates a portfolio that answers the "can you actually do this" question that technical hiring managers are asking.
The Realistic Timeline
For someone with a general IT or cyber security background targeting their first cloud security role:
Months one to two cover cloud platform fundamentals and earn a foundational certification (AWS Cloud Practitioner or AZ-900). Months three to four add security-specific knowledge, covering IAM, network security, monitoring, and the shared responsibility model through structured content and hands-on lab practice. Months five to six involve intensive hands-on work in cloud environments, beginning certification preparation for SC-200 or CCSK, and building portfolio evidence. Months six to nine typically involve active job searching alongside continued skill development, with the first cloud security role usually achievable within this window for candidates who have been consistent.
The ISC2 data on cloud security demand is unambiguous: organisations need people who can do this work and cannot find enough of them. The gap between where you are and where employers need you to be is primarily a question of structured effort, not inaccessible knowledge.
Start Building Cloud Security Skills Today
TryHackMe gives you immediate access to cloud security lab environments, SOC analyst training, and the practical certifications that entry-level cloud security roles require. The Cyber Security 101 path builds the foundations. The SOC Level 1 path develops the detection and response skills that cloud security monitoring demands. And the cloud security rooms give you hands-on practice with real cloud scenarios from day one.
The demand for cloud security professionals is not a future trend. It is the reality of the job market right now. The practical steps described in this guide are achievable within twelve months for anyone who approaches them consistently.
Nick O'Grady