A single compromised laptop can expose business email, customer records, cloud accounts and shared files. Traditional antivirus remains useful, but many small businesses also need tools that help detect suspicious activity, investigate alerts and contain threats across employee devices. Endpoint detection and response (EDR) software is designed to provide that deeper visibility.
This guide explains what EDR does, compares providers worth evaluating and gives small businesses a practical checklist for choosing a solution. It is a research-based buyer’s guide, not a hands-on product test. Product capabilities, packaging and pricing change frequently; confirm current details directly with vendors before purchasing.
What is endpoint detection and response (EDR) software?
Endpoint detection and response software monitors activity on devices such as laptops, desktops and servers. It collects security telemetry, looks for suspicious behaviour and helps security teams investigate and respond to potential incidents. Depending on the product, response actions may include isolating a device, stopping a process, quarantining a file or collecting forensic information.
EDR is different from basic antivirus. Antivirus commonly focuses on preventing or detecting known malicious files, while EDR adds behavioural monitoring, investigation context and response workflows. Many modern endpoint protection platforms combine prevention with EDR capabilities, so buyers should compare the actual features included in each plan rather than relying on product labels alone.
EDR software providers small businesses can evaluate
The following providers offer endpoint security products or services that businesses may include in an EDR shortlist. Their products are not identical, and some are delivered through managed service providers. Match the platform to your device environment, internal IT capacity and incident-response needs.
| Provider | Worth evaluating for | Questions to ask |
|---|---|---|
| Microsoft Defender for Business | Small and midsize organizations using Microsoft services | Which security features and response actions are included in your Microsoft licensing? |
| Sophos | Businesses considering endpoint protection with managed detection options | Which EDR and MDR capabilities are included, and who monitors alerts? |
| SentinelOne | Organizations evaluating automated endpoint detection and response | Which response actions, integrations and support tiers are included in the quoted package? |
| CrowdStrike Falcon | Teams looking for a broad endpoint security platform and optional managed services | Which Falcon modules are required, and what is the total per-device cost? |
| Bitdefender | Small businesses comparing endpoint protection and detection capabilities | Does the selected business plan include the investigation and response depth you need? |
| Huntress | Small organizations that rely on an MSP or need managed security support | How does the service work with your existing endpoint antivirus and IT provider? |
1. Microsoft Defender for Business
Potential fit: Small and midsize organizations already using Microsoft 365 or Windows devices.
Microsoft Defender for Business is a business-focused endpoint security offering. It can be attractive to organizations that want endpoint protection within a Microsoft-oriented environment. Buyers should review the exact licensing bundle, supported operating systems, device limits and management requirements before assuming a feature is included.
Evaluate: Device onboarding, alert investigation, automated investigation and remediation, vulnerability management, reporting and integration with your Microsoft identity and device-management setup. Start with Microsoft’s Defender for Business overview and current licensing documentation.
2. Sophos
Potential fit: Businesses comparing endpoint protection with options for managed detection and response.
Sophos offers endpoint security products and managed security services. This can be relevant for a business that wants a security platform but does not have a full-time security operations team. Make sure the proposal clearly separates endpoint prevention, EDR investigation, MDR monitoring and incident-response services.
Evaluate: Which team watches alerts, the hours of monitoring, escalation procedures, supported devices and what happens during a confirmed incident. Review the Sophos endpoint security product information.
3. SentinelOne
Potential fit: Organizations looking for endpoint detection, investigation and automated response options.
SentinelOne’s Singularity platform includes endpoint security capabilities. Its fit depends on the modules selected, the number and type of devices, integrations and the security team’s ability to operate the platform. A small business should avoid paying for advanced capabilities it cannot configure or use.
Evaluate: Endpoint coverage, threat investigation workflow, isolation and rollback capabilities where available, integration with identity and cloud tools, and the support model. See SentinelOne Singularity Endpoint for current product information.
4. CrowdStrike Falcon
Potential fit: Businesses that want to assess a broad endpoint security platform and optional managed security services.
CrowdStrike Falcon is a modular security platform. Buyers should identify the specific endpoint, detection, threat-hunting and managed-service capabilities they need, then compare the relevant package rather than treating every Falcon feature as part of one standard subscription.
Evaluate: Module requirements, minimum device commitments, deployment support, alert handling, data retention and incident-response options. See CrowdStrike endpoint security for product details.
5. Bitdefender
Potential fit: Small businesses comparing business endpoint protection products and broader detection capabilities.
Bitdefender offers business security products across different organization sizes. Compare the endpoint protection package with its EDR or managed detection options carefully: a basic endpoint plan may not provide the same investigation, telemetry and response features as a dedicated EDR offering.
Evaluate: Central management, supported operating systems, policy controls, threat visibility, alert investigation and the upgrade path to more advanced response features. Visit Bitdefender Business for current product options.
6. Huntress
Potential fit: Small organizations that work with a managed service provider or want external security expertise.
Huntress focuses on managed cybersecurity services for organizations that may not have in-house security staff. It is important to understand how its service complements your existing endpoint protection, what telemetry it monitors and who is responsible for taking action when a threat is found.
Evaluate: Monitoring scope, response responsibilities, supported integrations, escalation process, contract terms and whether the service is purchased directly or through an MSP. Review Huntress product information.
EDR vs antivirus vs MDR: what is the difference?
| Security approach | Main role | What the business should confirm |
|---|---|---|
| Antivirus / endpoint protection | Blocks or detects malicious files and common threats on devices | Protection layers, update process, device coverage and central management |
| EDR | Collects endpoint activity and supports investigation and response to suspicious behaviour | Detection visibility, investigation tools, response actions and alert ownership |
| MDR | A managed service in which security professionals monitor, investigate and help respond to threats | Monitoring hours, service scope, response authority, SLAs and escalation contacts |
EDR is a technology capability; MDR is a service model. A business can use EDR software with its own IT team, or work with a provider that manages detection and response. Some vendors offer both. For a related look at outsourced security operations, read our guide to managed security service providers for small businesses.
Features to check before buying EDR software
Endpoint coverage and compatibility
List every device type and operating system used by employees, including remote laptops, servers and any supported virtual environments. Confirm that the product supports each version and that the licensing model covers employees, devices and servers as required.
Detection and investigation depth
Ask what telemetry is collected, how alerts are prioritized and whether analysts can trace activity across a device. Request a demonstration of a realistic scenario such as suspicious PowerShell activity, credential theft or a malicious attachment.
Response and containment
Confirm whether administrators can isolate a device, stop a process or quarantine a file, and whether those actions require approval. Understand how to restore business operations after containment and how evidence is preserved for investigation.
Centralized management and integrations
Check integration with identity providers, device management, email security, backup tools and any managed service provider you use. A platform that creates many disconnected alerts can increase workload rather than reduce it.
Monitoring and support
Determine whether alerts are monitored only during business hours or around the clock. If a vendor or MSP provides MDR, ask who investigates incidents, who contacts your team and who is authorized to isolate devices or disable accounts.
Reporting, retention and compliance needs
Ask how long endpoint data is retained, whether reports can be exported and how the service supports your contractual or regulatory obligations. Do not assume that buying EDR automatically makes a business compliant with a security framework or law.
How much does EDR software cost?
EDR pricing varies by vendor, selected modules, number of endpoints, contract length and support level. Some products are licensed per device or user, while managed detection services may use a different per-endpoint or service-based fee. Advanced modules, onboarding, incident response and premium support can add to the total.
Ask each provider for a written quote that separates software licensing, managed monitoring, deployment, support and optional services. Compare the annual cost for your current device count and the cost if your team grows. Avoid choosing a product based only on a low advertised starting price.
A practical EDR selection checklist for small businesses
- Inventory all employee laptops, desktops, servers and operating systems.
- Decide whether your internal team will monitor alerts or whether you need MDR.
- Define who can approve device isolation and other disruptive response actions.
- Ask vendors to demonstrate detection and investigation using a realistic scenario.
- Confirm integrations with identity, email, backup and device-management systems.
- Review data retention, support hours, escalation and incident-response terms.
- Run a pilot on a representative group of devices before full deployment.
- Document how alerts, incidents and false positives will be handled.
Frequently asked questions
Does a small business need EDR software?
It depends on the sensitivity of its data, exposure to cyber threats, remote workforce, customer requirements and available IT support. Businesses handling customer information, financial records or regulated data should assess whether basic endpoint protection provides enough visibility and response capability for their risk.
Is EDR better than antivirus?
EDR provides capabilities beyond traditional antivirus, including endpoint activity monitoring, investigation context and response workflows. It is not automatically a replacement for every security control. Many businesses use endpoint prevention and EDR capabilities together in one platform.
What is the difference between EDR and MDR?
EDR is software used to detect and respond to suspicious endpoint activity. MDR is a managed service where security professionals monitor, investigate and help respond to threats. A company can use EDR internally or purchase managed services that operate with EDR and other security tools.
Can EDR protect remote employees?
Many EDR products support managed devices outside the office, but coverage depends on supported operating systems, connectivity, licensing and configuration. Ask how the product behaves when a laptop is offline and how policies and updates are enforced for remote users.
Should a small business choose EDR or MDR?
If the business has qualified staff who can monitor alerts and respond to incidents, EDR may be sufficient. If it cannot provide consistent monitoring and investigation, an MDR service may offer useful support. Compare the service scope and responsibilities carefully before signing.
Final thoughts
EDR software can give a small business better visibility into endpoint threats, but technology alone does not create a complete security program. Choose a solution that covers your devices, fits your IT team’s capacity and provides a clear process for investigating and responding to incidents. Pilot the product, document responsibilities and review the service as your business changes.
For more security software research, explore our guides to managed security service providers, patch management software and vulnerability management software.
Editorial note: This guide is for general software research and does not constitute cybersecurity, legal or compliance advice. Product capabilities and packaging change; verify current details with vendors and assess your organization’s specific risks.