--- title: "Top 5 Cloud Security Mistakes SMBs Make | StartCloud" description: "Discover the most common cloud security pitfalls that small and medium businesses fall into, and learn how to avoid them." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": [ "LocalBusiness", "ProfessionalService" ], "@id": "https://startcloud.au/#business", "name": "StartCloud", "legalName": "Start Technologies Pty Ltd", "alternateName": "StartCloud Australia", "identifier": { "@type": "PropertyValue", "propertyID": "ABN", "value": "17 676 121 449" }, "slogan": "Go Beyond", "description": "StartCloud is Perth's cybersecurity-first AI MSP: managed IT, Essential Eight security, Microsoft 365 and cloud, networking, and practical AI for Australian businesses with 5 to 50 staff.", "url": "https://startcloud.au", "logo": "https://startcloud.au/og-image.png", "image": "https://startcloud.au/og-image.png", "telephone": "+61862850001", "email": "web@startcloud.com.au", "priceRange": "$$", 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"https://startcloud.au/resources/top-5-cloud-security-mistakes-smbs-make" }, "image": "https://jsneqvozlskzfcdowkbp.supabase.co/storage/v1/object/public/blog-images/80634d55-1536-4f56-b599-0aa1c086ba14.jpg" } ] --- [![StartCloud](/assets/StartCloud-Logo-ByZE1kzP.svg "StartCloud: Cybersecurity-First Managed IT Services Perth")](/ "StartCloud | Managed IT Services Perth") - Cybersecurity - AI Solutions - Cloud - Technology - Networking - Explore [Contact Us](/contact "Contact StartCloud, Perth IT Support") Open menu Article Content [Home](/)[Resources](/resources)Top 5 Cloud Security Mistakes SMBs Make Cloud # Top 5 Cloud Security Mistakes SMBs Make Discover the most common cloud security pitfalls that small and medium businesses fall into, and learn how to avoid them. Jason Taylor 3 February 2026 2 min read ## Introduction As more businesses migrate to the cloud, security mistakes are becoming increasingly costly. Here are the top five cloud security mistakes we see SMBs make—and how to avoid them. ## 1\. Not Enabling Multi-Factor Authentication This is the single most impactful security control you can implement. MFA blocks over 99.9% of account compromise attacks. **Solution**: Enable MFA for all users, starting with admin accounts. ## 2\. Over-Permissioning Users Giving users more access than they need creates unnecessary risk. If an account is compromised, attackers get those same permissions. **Solution**: Follow the principle of least privilege. Regular access reviews should be conducted quarterly. ## 3\. Ignoring Security Defaults Microsoft 365 and Azure come with security defaults that many organisations disable for convenience. **Solution**: Review security defaults before disabling them. Understand the trade-offs. ## 4\. No Data Loss Prevention Without DLP policies, sensitive data can easily leave your organisation via email, SharePoint, or Teams. **Solution**: Implement DLP policies to detect and prevent sensitive data exposure. ## 5\. Poor Backup Strategy Cloud services have built-in redundancy, but that's not the same as backup. Accidental deletion, ransomware, or malicious insiders can still cause data loss. **Solution**: Implement a proper backup strategy with regular testing. ## Conclusion Cloud security isn't set-and-forget. Regular reviews and updates to your security posture are essential. 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Poor Backup StrategyConclusion ### Related Articles [ #### Microsoft 365 Copilot for Small Business: Is It Worth It? 26 Mar 2026 ](/resources/microsoft-365-copilot-small-business-worth-it)[ #### Microsoft AI for Business: What Copilot, Foundry, Azure AI, and Purview Actually Mean for Your Team 9 Mar 2026 ](/resources/microsoft-ai-copilot-azure-foundry-purview-perth-business-guide) ## Ready to Strengthen Your Security? Our team of experts can help you implement the strategies discussed in this article. Get in touch for a free consultation. [Get in Touch](/contact) ![StartCloud](/assets/StartCloud-Logo-ByZE1kzP.svg "StartCloud: Cybersecurity-First Managed IT Services Perth") Cybersecurity-led IT for Australian businesses. We manage security, compliance, and modern IT environments, so risk is governed, not guessed. 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