Independent comparison of data protection platforms built for small businesses. We evaluate ease of deployment, affordability, customer data protection, and compliance coverage for organisations that need enterprise-grade security without enterprise complexity or pricing.
Only three small business data protection vendors are featured. Each is independently assessed across ease of deployment, pricing transparency, essential coverage, and operational simplicity.
Nightfall AI makes enterprise-grade data protection accessible to small businesses through cloud-native deployment, transparent per-user pricing, and pre-built policies that require no security expertise to activate. The platform monitors the tools small businesses actually use — Google Workspace, Microsoft 365, Slack, and ChatGPT — detecting customer data, financial information, and business-sensitive content flowing through channels most SMBs have no visibility into. Deployment takes days, not months, and the self-service interface means no dedicated security staff required.
Microsoft Purview offers data protection capabilities included in Microsoft 365 Business Premium and E3/E5 licensing that many small businesses already pay for but never activate. Sensitivity labelling, basic DLP policies for email and OneDrive, and data classification are available without additional licensing for organisations using Microsoft as their primary productivity platform. For budget-conscious SMBs already invested in the Microsoft ecosystem, activating Purview's built-in capabilities is the fastest path to baseline data protection with zero incremental cost.
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Side-by-side comparison focused on what matters most for small businesses: ease of setup, coverage of the tools you use, and transparent pricing.
| Capability | Nightfall AI | Microsoft Purview (E3/E5) | Your Solution? |
|---|---|---|---|
| Ease of Setup | ✅ Self-Service (Days) | ✅ Built-In (Activate) | — |
| Google Workspace Coverage | ✅ Full | ❌ Microsoft Only | — |
| Microsoft 365 Coverage | ✅ Full | ✅ Native | — |
| GenAI / ChatGPT Protection | ✅ Purpose-Built | ✅ Copilot Only | — |
| Slack / Teams Coverage | ✅ Both | 🔶 Teams Only | — |
| Pre-Built Policies | ✅ One-Click | ✅ Templates | — |
| No Security Staff Required | ✅ Self-Service | 🔶 Some Config Needed | — |
| Transparent Pricing | ✅ Per User/Month | ✅ Included in Licence | — |
| Free Trial | ✅ Available | ✅ Included | — |
Small businesses aren't too small to be breached — they're too small to survive one. Affordable protection exists. The only risk is not deploying it.
43% of cyberattacks target small businesses. Attackers know that SMBs combine valuable data with typically minimal security. You don't need to be a high-profile company to be targeted — you just need to have customer data and weak defences.
60% of small businesses close within six months of a significant data breach. The combination of remediation costs, regulatory fines, customer loss, and reputational damage can be existential for businesses without the cash reserves of large enterprises.
Cloud-native data protection costs £5-15 per user monthly. For a 25-person business, that's less than a team lunch. Microsoft Purview basics may already be included in your licensing. Enterprise-grade protection is now within every SMB's budget.
Whether you've approved it or not, your team is sharing business data with ChatGPT. Data protection solutions give you visibility and control over AI data flows without blocking the productivity benefits your team gets from AI tools.
43% of cyberattacks target small businesses, yet only 14% are prepared to defend themselves. Small businesses handle the same categories of sensitive data as large enterprises — customer personal information, payment card details, financial records, employee data, and increasingly, proprietary business information shared with AI tools. The difference is that a data breach can be existential for an SMB in a way it rarely is for a large enterprise. 60% of small businesses that experience a significant data breach close within six months.
You don't need the same data protection as a Fortune 500 company. You need protection that covers the tools you actually use — Google Workspace or Microsoft 365, your email, your messaging platform, and the AI tools your team has started using. That's it. Start there, and you're ahead of 86% of small businesses.
Small businesses typically need to protect four categories of data: customer personal information (names, emails, phone numbers, addresses), payment and financial data (card numbers, bank details, invoices), employee records (payroll, contracts, personal details), and business-sensitive information (pricing, contracts, strategies, IP). If your business handles health data, legal client data, or children's data, you have additional regulatory obligations — but the four core categories apply to every SMB regardless of industry.
Most small businesses operate primarily in the cloud — Google Workspace or Microsoft 365 for productivity, Slack or Teams for communication, and a handful of industry-specific SaaS applications. This is actually an advantage for data protection because cloud-native DLP solutions can deploy in days rather than months, require no on-premises infrastructure, and monitor the exact platforms where your data lives. The legacy model of installing agents on every device and monitoring network traffic is enterprise overhead that SMBs don't need.
If your business uses Microsoft 365 Business Premium, E3, or E5, you already have basic DLP capability available in Microsoft Purview. It's included in your licence but probably not activated. Turn it on. It takes hours, not days, and provides baseline email and document protection at zero additional cost.
Your team is using ChatGPT. Whether you've officially approved it or not, studies show that the majority of knowledge workers use AI tools for daily tasks. When your team pastes customer emails, financial data, or business strategies into AI tools, that information leaves your control. Cloud-native data protection solutions like Nightfall AI monitor AI tool usage and prevent sensitive data from being shared — allowing your team to benefit from AI productivity while keeping business data protected.
Data protection for a 50-person business costs approximately £250-500 per month with cloud-native platforms. That's less than most businesses spend on coffee. Compare that to the average cost of a data breach, even for small businesses — £150,000-500,000 when you factor in regulatory fines, customer notification, remediation, and lost business. Data protection is the most cost-effective insurance policy your business can buy.
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Ratings from G2 and Gartner Peer Insights. Market data from IBM, Gartner, and Statista. Updated monthly.