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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsEndpoint security is an umbrella of protections for devices such as laptops, desktops, servers, and mobile devices—not one product or a fixed list of tiers. It can include antivirus, endpoint protection platforms (EPP), endpoint detection and response (EDR), firewalls, application controls, vulnerability management, encryption, and device management. These capabilities may be bundled, but they address different risks.
What are the main types of endpoint security?
The labels describe overlapping capabilities, not a universal product checklist. Check what a particular tool actually includes rather than assuming a category guarantees specific features.
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Antivirus and malware protection
Antivirus scans for known malware and may also use behavioral or machine-learning techniques to identify suspicious activity. Depending on the tool, it can block or quarantine malicious files and help remediate them. NIST includes signature-based and non-signature-based malware protection among endpoint-security measures: NIST SP 800-82 Rev. 3.
Endpoint protection platform (EPP)
EPP is a broad product category for endpoint protection. An EPP commonly combines malware prevention with other device controls, but there is no single required feature list established by the sources cited here. Compare the included protections individually instead of treating the EPP label as a guarantee.
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Endpoint detection and response (EDR)
EDR monitors endpoints, collects events, supports alerts and investigation, and can perform configured response actions. CISA describes EDR as providing cybersecurity monitoring and control of endpoint devices, with detection, response, and recovery capabilities for devices including workstations, servers, laptops, thin clients, and virtual desktops. It can integrate with security information and event management (SIEM) and security orchestration, automation, and response (SOAR) systems where those are deployed: CISA Continuous Diagnostics and Mitigation (CDM) Technical Capabilities.
Host firewall and network protection
A host firewall applies rules to traffic entering or leaving an individual device. It can restrict connections to those explicitly permitted, helping limit unwanted network access. NIST identifies host firewalls as a way to prevent receipt of traffic that is not explicitly allowed: NIST SP 800-82 Rev. 3.
Application control and attack-surface reduction
Application control can restrict which software is allowed to run, while attack-surface reduction policies limit risky behaviors or common attack techniques. Some endpoint policies also control removable storage. These controls help reduce opportunities for an attack rather than simply detecting malware after it appears. Microsoft lists application control and attack-surface reduction among its endpoint-security policy capabilities: Microsoft Intune endpoint security policies.
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Vulnerability management identifies security weaknesses and helps prioritize fixes. Configuration policies set device controls, while compliance policies assess whether devices meet requirements. These functions are related, but finding a weakness, applying a setting, and checking compliance are distinct tasks. Microsoft documents vulnerability management in Defender for Endpoint and describes using configuration and compliance policies together: Microsoft Intune endpoint security policies and Microsoft Intune device security.
Encryption and device management
Disk encryption protects data stored on a device, which is particularly relevant if it is lost or stolen. Endpoint or mobile-device management helps administrators apply security settings and monitor supported devices. Management tools can expose policy options such as encryption, firewall, antivirus, or EDR, but available policies differ by operating system and platform.
How are antivirus, EPP, and EDR different?
| Type | Main role | What to verify |
|---|---|---|
| Antivirus or malware protection | Prevent, detect, block, or quarantine malicious files and activity. | Whether protection is signature-based, behavior-based, or both; what remediation actions are included. |
| EPP | Broad endpoint protection that commonly bundles malware prevention with other controls. | The actual modules and device controls included; the category has no single mandatory feature list established here. |
| EDR | Monitor endpoint events, support alert investigation, and enable configured response actions. | Which devices and operating systems are supported, what response actions are available, and who will investigate alerts. |
Antivirus is one part of endpoint protection. EDR adds monitoring and investigation capabilities, and may support response actions; it is not simply another name for antivirus. A tool may bundle these capabilities, so the product label alone does not tell you where prevention ends and detection or response begins.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which endpoint security controls do you need?
Start with the devices you need to protect and the risks you need to address. A household user may primarily need malware protection, a firewall, encryption, and built-in device security settings. An organization managing a fleet may also need centralized policies, vulnerability visibility, application controls, and EDR—especially if someone is responsible for investigating alerts and taking action.
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Compare options across four practical dimensions:
- Device and operating-system coverage: Confirm support for each specific endpoint, not just a general claim of compatibility.
- Prevention controls: Check for malware protection, firewall rules, application controls, attack-surface reduction, and encryption as needed.
- Visibility and response: Determine what events are recorded, how alerts are investigated, and which response actions can be taken.
- Management and integrations: Identify the console, policies, and integrations required, and whether your team can operate them.
For a small business, a reasonable baseline is malware protection and host firewalls on supported devices, encryption where stored data warrants it, and a clear process for updates and configuration. Add EDR when you can review alerts and respond—or have a provider or security team that will. CISA describes possible EDR integrations with SIEM and SOAR, but these add value only when the organization has those systems and response processes in place: CISA CDM Technical Capabilities.
Why do platform and operating-system differences matter?
Security controls available through a management product can differ by platform. Microsoft’s Intune documentation, for example, lists Windows policy types that include antivirus, disk encryption, firewall, EDR, attack-surface reduction, App Control for Business, and account protection. Its macOS list is narrower. These are Microsoft’s documented policy options, not a universal inventory of every endpoint product or operating system. Check the current support matrix for your exact platform and plan before relying on a control: Microsoft Intune endpoint security policies.
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