# Best Intrusion Detection and Prevention Systems (IDPS) for Small Business

## How Many Intrusion Detection and Prevention Systems (IDPS) Products Does G2 Track?

**Total Products under this Category:** 64

### Category Stats (Jul 2026)

- **Average Rating:** 4.4/5 The average rating of products in this category, based on all submitted ratings

_Last updated: July 24, 2026_

## How Does G2 Rank Intrusion Detection and Prevention Systems (IDPS) Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 1,700+ Authentic Reviews
- 64+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

## G2 Grid® for Intrusion Detection and Prevention Systems (IDPS)
 ![G2 Grid® for Intrusion Detection and Prevention Systems (IDPS) plotting products by satisfaction and market presence](https://www.g2.com/categories/intrusion-detection-and-prevention-systems-idps/grids.png?focus%5B%5D=1066&focus%5B%5D=1386549&focus%5B%5D=88784&focus%5B%5D=58203&focus%5B%5D=147779&focus%5B%5D=17771&focus%5B%5D=125886)

Highlighted products: Palo Alto Networks Next-Generation Firewalls, Cloud-Delivered Security Services, Palo Alto Networks VM-Series Virtual Firewall, Check Point Infinity Platform, CrowdSec, Trellix Network Detection and Response (NDR), and Blumira Automated Detection & Response.

Underlying data: [Grid® JSON](https://www.g2.com/categories/intrusion-detection-and-prevention-systems-idps/grids.json?focus%5B%5D=palo-alto-networks-next-generation-firewalls&focus%5B%5D=cloud-delivered-security-services&focus%5B%5D=palo-alto-networks-vm-series-virtual-firewall&focus%5B%5D=check-point-infinity-platform&focus%5B%5D=crowdsec&focus%5B%5D=trellix-network-detection-and-response-ndr&focus%5B%5D=blumira-automated-detection-response&segment=small-business)

**Sponsored**

### Datadog

Datadog is the monitoring, security and analytics platform for developers, IT operations teams, security engineers and business users in the cloud age. The SaaS platform integrates and automates infrastructure monitoring, application performance monitoring and log management to provide unified, real-time observability of our customers' entire technology stack. Datadog is used by organizations of all sizes and across a wide range of industries to enable digital transformation and cloud migration, drive collaboration among development, operations, security and business teams, accelerate time to market for applications, reduce time to problem resolution, secure applications and infrastructure, understand user behavior and track key business metrics.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=1663&secure%5Bchosen_at%5D=2026-07-28T07%3A54%3A04Z&secure%5Bdisplayable_resource_id%5D=128&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=neighbor_category&secure%5Bplacement_resource_ids%5D%5B%5D=128&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=3824&secure%5Bresource_id%5D=1663&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fintrusion-detection-and-prevention-systems-idps%2Fsmall-business&secure%5Btoken%5D=4064523505168fd75bc19466fcefaad2b5dee98de600b22e4f2b23e0cd70ca6b&secure%5Burl%5D=https%3A%2F%2Fwww.datadoghq.com%2Fdg%2Fmonitor%2Ffree-trial-g2%2F%3Futm_source%3Dg2crowd%26utm_medium%3Dreview-site%26utm_campaign%3Ddg-coreplatform-multi-ww-en-g2&secure%5Burl_type%5D=custom_url)

[
Palo Alto Networks...
](https://www.g2.com/products/palo-alto-networks-next-generation-firewalls/reviews)

By [Palo Alto Networks](https://www.g2.com/sellers/palo-alto-networks)

[

4.4/5(202)

](https://www.g2.com/products/palo-alto-networks-next-generation-firewalls/reviews)

What do users say?

Users consistently praise the deep visibility and granular control offered by Palo Alto Networks Next-Generation Firewalls, which enhance security by allowing precise policy enforcement based on appli

Pros and Cons

[
Firewall Efficiency (14)
](https://www.g2.com/products/palo-alto-networks-next-generation-firewalls/reviews?qs=pros-and-cons)[
Expensive (23)
](https://www.g2.com/products/palo-alto-networks-next-generation-firewalls/reviews?qs=pros-and-cons)

[
Cloud-Delivered Security...
](https://www.g2.com/products/cloud-delivered-security-services/reviews)

By [Palo Alto Networks](https://www.g2.com/sellers/palo-alto-networks)

[

4.4/5(106)

](https://www.g2.com/products/cloud-delivered-security-services/reviews)

What do users say?

Users consistently praise the product for its real-time threat detection and ease of use, highlighting how it simplifies security management without the need for on-premise hardware. The cloud-native

[
Palo Alto Networks...
](https://www.g2.com/products/palo-alto-networks-vm-series-virtual-firewall/reviews)

By [Palo Alto Networks](https://www.g2.com/sellers/palo-alto-networks)

[

4.3/5(92)

](https://www.g2.com/products/palo-alto-networks-vm-series-virtual-firewall/reviews)

What do users say?

Users consistently praise the robust security features and seamless cloud integration of the Palo Alto Networks VM-Series Virtual Firewall, highlighting its ability to enforce consistent security poli

Pros and Cons

[
Features (18)
](https://www.g2.com/products/palo-alto-networks-vm-series-virtual-firewall/reviews?qs=pros-and-cons)[
Expensive (26)
](https://www.g2.com/products/palo-alto-networks-vm-series-virtual-firewall/reviews?qs=pros-and-cons)

[
Check Point Infinity Platform
](https://www.g2.com/products/check-point-infinity-platform/reviews)

By [Check Point Software Technologies](https://www.g2.com/sellers/check-point-software-technologies)

[

4.6/5(117)

](https://www.g2.com/products/check-point-infinity-platform/reviews)

What do users say?

Users consistently praise the ease of deployment and unified management capabilities of the Check Point Infinity Platform, highlighting how it simplifies security across multiple environments. The pla

Pros and Cons

[
Cloud Security (20)
](https://www.g2.com/products/check-point-infinity-platform/reviews?qs=pros-and-cons)[
Learning Curve (10)
](https://www.g2.com/products/check-point-infinity-platform/reviews?qs=pros-and-cons)

[
CrowdSec
](https://www.g2.com/products/crowdsec/reviews)

By [CrowdSec](https://www.g2.com/sellers/crowdsec)

[

4.7/5(88)

](https://www.g2.com/products/crowdsec/reviews)

What do users say?

Users consistently praise the product for its ease of use and effective threat detection, highlighting its ability to block malicious IPs through a community-driven database. Many appreciate the open-

[
Trellix Network Detection...
](https://www.g2.com/products/trellix-network-detection-and-response-ndr/reviews)

By [Trellix](https://www.g2.com/sellers/trellix)

[

4.1/5(66)

](https://www.g2.com/products/trellix-network-detection-and-response-ndr/reviews)

What do users say?

Users consistently praise the product for its strong protection features and ease of use, highlighting its effectiveness in safeguarding data against external threats. The proactive threat detection a

[
Blumira Automated Detection...
](https://www.g2.com/products/blumira-automated-detection-response/reviews)

By [Blumira](https://www.g2.com/sellers/blumira)

[

4.6/5(124)

](https://www.g2.com/products/blumira-automated-detection-response/reviews)

What do users say?

Users consistently praise the product for its ease of use and quick setup, allowing organizations to integrate and monitor their security environments with minimal effort. The automated alerts and act

Pros and Cons

[
Ease of Use (34)
](https://www.g2.com/products/blumira-automated-detection-response/reviews?qs=pros-and-cons)[
Limited Customization (11)
](https://www.g2.com/products/blumira-automated-detection-response/reviews?qs=pros-and-cons)

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Similar Categories

- [Business VPN](/categories/business-vpn)
- [DNS Security Solutions](/categories/dns-security-solutions)
- [Firewall Software](/categories/firewall-software)
- [Microsegmentation](/categories/microsegmentation)

- [Network Access Control (NAC)](/categories/network-access-control-nac)
- [Network Detection and Response (NDR)](/categories/network-detection-and-response-ndr)
- [Network Sandboxing](/categories/network-sandboxing)
- [Network Security Policy Management (NSPM)](/categories/network-security-policy-management-nspm)

- [Network Traffic Analysis (NTA)](/categories/network-traffic-analysis-nta)
- [Software-Defined Perimeter (SDP)](/categories/software-defined-perimeter-sdp)
- [Unified Threat Management (UTM)](/categories/unified-threat-management-utm)

[Browse Intrusion Detection and Prevention Systems (IDPS) Themes](/categories/intrusion-detection-and-prevention-systems-idps/themes)

 ![Lauren Worth](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Lauren Worth")
LW

Researched and written by [Lauren Worth](https://research.g2.com/insights/author/lauren-worth)

Updated 

Products classified in the overall Intrusion Detection and Prevention Systems (IDPS) category are similar in many regards and help companies of all sizes solve their business problems. However, small business features, pricing, setup, and installation differ from businesses of other sizes, which is why we match buyers to the right Small Business Intrusion Detection and Prevention Systems (IDPS) to fit their needs. Compare product ratings based on reviews from enterprise users or connect with one of G2's buying advisors to find the right solutions within the Small Business Intrusion Detection and Prevention Systems (IDPS) category.

In addition to qualifying for inclusion in the Intrusion Detection and Prevention Systems (IDPS) category, to qualify for inclusion in the Small Business Intrusion Detection and Prevention Systems (IDPS) category, a product must have at least 10 reviews left by a reviewer from a small business.

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