# Best IoT Security Solutions for Small Business

## How Many IoT Security Solutions Products Does G2 Track?

**Total Products under this Category:** 62

### Category Stats (Aug 2026)

- **Average Rating:** 4.38/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** Finite State (+3.17%) - Among all products in this category, Finite State recorded the largest rating increase compared to last month

_Last updated: August 06, 2026_

## How Does G2 Rank IoT Security Solutions Products?

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

- 30 Analysts and Data Experts
- 700+ Authentic Reviews
- 62+ 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 IoT Security Solutions
 ![G2 Grid® for IoT Security Solutions plotting products by satisfaction and market presence](https://www.g2.com/categories/iot-security-solutions/grids.png?focus%5B%5D=1327309&focus%5B%5D=155956&focus%5B%5D=52129&focus%5B%5D=40553&focus%5B%5D=1246905)

Highlighted products: Palo Alto Networks IoT/OT Security, Microsoft Defender for IoT, AWS IoT Device Defender, Google Cloud IoT Core, and BugProve.

Underlying data: [Grid® JSON](https://www.g2.com/categories/iot-security-solutions/grids.json?focus%5B%5D=palo-alto-networks-iot-ot-security&focus%5B%5D=microsoft-defender-for-iot&focus%5B%5D=aws-iot-device-defender&focus%5B%5D=google-cloud-iot-core&focus%5B%5D=bugprove&segment=small-business)

**Sponsored**

### DNSFilter

DNSFilter is a cybersecurity solution designed to enhance internet safety and workplace productivity by actively blocking malicious online threats. By leveraging advanced artificial intelligence, DNSFilter provides protective Domain Name System (DNS) services that effectively shield users from a wide range of cyber threats, including phishing attacks, malware, and other advanced security risks. With its robust infrastructure, DNSFilter processes an impressive volume of queries, resolving upwards of 130 billion queries daily while blocking an average of 12 million threat queries each day. The target audience for DNSFilter includes businesses of all sizes, educational institutions, and any organization that seeks to safeguard its network from cyber threats. As cyberattacks increasingly leverage DNS, DNSFilter serves as a critical line of defense for organizations looking to protect sensitive data and maintain operational integrity. By implementing DNSFilter, organizations can not only mitigate risks but also enhance overall productivity by reducing the potential for downtime caused by security incidents. One of the standout features of DNSFilter is its unique machine learning models which block threats an average of 10 days faster than traditional threat feeds. This rapid response is crucial in a landscape where cyber threats evolve quickly, and timely intervention can prevent significant damage. The AI-driven technology behind DNSFilter continuously analyzes and adapts to emerging threats, ensuring that users are protected with the most current security measures available. This proactive approach to threat detection and blocking is a key differentiator that sets DNSFilter apart from other cybersecurity solutions. In addition to its threat-blocking capabilities, DNSFilter offers a user-friendly interface that simplifies management and monitoring for IT administrators. The platform provides detailed reporting and analytics, allowing organizations to gain insights into their network's security posture and make informed decisions regarding their cybersecurity strategies. With over 35 million users placing their trust in DNSFilter, the solution not only enhances security but also fosters a more productive work environment by minimizing distractions and interruptions caused by cyber threats. Overall, DNSFilter represents a comprehensive and effective solution for organizations seeking to bolster their cybersecurity defenses while promoting a safer and more efficient online experience. Its speed, intelligence, and ease of use make it a valuable asset in the ongoing battle against cyber threats.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=1087&secure%5Bchosen_at%5D=2026-08-06T17%3A43%3A00Z&secure%5Bdisplayable_resource_id%5D=1087&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=page_category&secure%5Bplacement_resource_ids%5D%5B%5D=1087&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=23936&secure%5Bresource_id%5D=1087&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fiot-security-solutions%2Fsmall-business%3Fopen_modal_url%3D%252Fproducts%252Fmicrosoft-defender-for-iot%252Fwishlists%253Fhost_path%253D%25252Fcategories%25252Fiot-security-solutions%25252Fsmall-business%2526source%253Dcategory&secure%5Btoken%5D=71a8b753819c541391b4f399e8050121f99b377d56ce855fdfa20e7f7a4e4155&secure%5Burl%5D=https%3A%2F%2Fexplore.dnsfilter.com%2FG2-free-trial%3Futm_source%3DG2%26utm_medium%3Dpaid-social%26utm_campaign%3Ddnsf_dg_2026-07_All_G2_free-trial&secure%5Burl_type%5D=custom_url)

### [Palo Alto Networks IoT/OT Security](https://www.g2.com/products/palo-alto-networks-iot-ot-security/reviews)

What is Palo Alto Networks IoT/OT Security? Palo Alto Networks IoT/OT Security is a comprehensive solution delivering ML-powered visibility, prevention, and zero-trust enforcement in a single platform for all your connected devices. Our portfolio offers a range of IoT and OT security solutions tailored to meet the specific needs of our customer in different verticals: Enterprise IoT Security A Zero Trust security solution for IoT devices that uses a three-tier ML model, App-ID technology, and crowdsourced telemetry. It can discover devices, assess devices, protect devices, and simplify operations. Industrial OT Security A security solution for OT devices and networks that uses machine learning (ML), App-ID, and Device-ID technology. It offers visibility, segmentation, access control, risk monitoring, and continuous security inspection. Medical IoT Security A Zero Trust security solution for connected medical devices that helps healthcare providers protect their network from threats. The security solution uses machine learning (ML) to generate device profiles from five key behaviors: internal connections, internet connections, protocols, applications, and payloads. It also integrates with security orchestration, automation, and response (SOAR) systems for playbook-based incident response.

**Average Rating:** 4.4/5.0

**Total Reviews:** 117

#### How Do G2 Users Rate Palo Alto Networks IoT/OT Security?

- **Quality of Support:** 8.3/10 (Category avg: 8.7/10)
- **IoT Network Security:** 8.9/10 (Category avg: 8.7/10)
- **Vulnerability Assessment:** 8.3/10 (Category avg: 8.7/10)
- **Performance:** 8.5/10 (Category avg: 9.0/10)

#### Who Is the Company Behind Palo Alto Networks IoT/OT Security?

- **Seller:** [Palo Alto Networks](https://www.g2.com/sellers/palo-alto-networks)
- **Year Founded:** 2005
- **HQ Location:** Santa Clara, CA
- **Twitter:** @PaloAltoNtwks  
128,951 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=283fa006a7b7db5565e608e4d1bc1dafae45bdf4b312f2cd5bb208ac9271f81d&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F30086%2F&secure%5Burl_type%5D=linkedin_company_website)  
22,313 employees on LinkedIn®
- **Ownership:** NYSE: PANW

#### Who Uses This Product?

- **Who Uses This:** Network Security Engineer
- **Top Industries:** Information Technology and Services, Computer & Network Security
- **Company Size:** 35% Medium, 34% Small

#### What Do G2 Reviewers Say About Palo Alto Networks IoT/OT Security?

_AI-generated summary from verified user reviews_

##### Pros

- Users value the **AI-powered threat detection** of Palo Alto Networks IoT/OT Security, providing real-time anomaly identification and peace of mind.
- Users value the **strong protection** provided by Palo Alto Networks IoT/OT Security for connected devices and networks.
- Users commend the **ease of use** of Palo Alto Networks IoT/OT Security, making it accessible for all skill levels.
- Users value the **seamless integration** and effective monitoring capabilities of Palo Alto Networks IoT/OT Security in their environments.
- Users appreciate the **full visibility and continuous monitoring** of Palo Alto Networks IoT/OT Security for enhanced protection.

##### Cons

- Users find Palo Alto Networks IoT/OT Security **expensive** , making it less accessible for smaller organizations with limited budgets.
- Users find the **difficult learning curve** of Palo Alto Networks IoT/OT Security challenging, particularly for first-time setups.
- Users find the **complex setup** of Palo Alto Networks IoT/OT Security challenging, particularly for first-time implementers.
- Users find the **difficult configuration** of Palo Alto Networks IoT/OT Security challenging, particularly without strong cybersecurity skills.
- Users note the **required expertise** for managing Palo Alto Networks IoT/OT Security can hinder effective deployment and accessibility.

#### What Are Recent G2 Reviews of Palo Alto Networks IoT/OT Security?

**["Easy Device Visibility and Better Security Management"](https://www.g2.com/survey_responses/palo-alto-networks-iot-ot-security-review-12993496)**

**Rating:** 5.0/5.0 stars

_— Dev S._

[Read full review](https://www.g2.com/survey_responses/palo-alto-networks-iot-ot-security-review-12993496)

**["Great Tool for Managing and Securing Every Device on the Network"](https://www.g2.com/survey_responses/palo-alto-networks-iot-ot-security-review-11915009)**

**Rating:** 5.0/5.0 stars

_— Ritika G._

[Read full review](https://www.g2.com/survey_responses/palo-alto-networks-iot-ot-security-review-11915009)

### [Microsoft Defender for IoT](https://www.g2.com/products/microsoft-defender-for-iot/reviews)

Microsoft Defender for IoT is a comprehensive security solution designed to protect Internet of Things (IoT and operational technology (OT environments. It offers real-time asset discovery, vulnerability management, and cyberthreat protection for industrial infrastructures, including industrial control systems (ICS and OT networks. By providing complete visibility into all IoT and OT assets, Defender for IoT enables organizations to manage security posture effectively and reduce the cyberattack surface area. Its agentless, network-layer monitoring ensures seamless integration with existing systems without impacting performance. Key Features and Functionality: - Context-Aware Visibility: Gain comprehensive insights into all IoT and OT assets, including device details, communication protocols, and behaviors. - Risk-Based Security Posture Management: Identify and prioritize vulnerabilities using a risk-prioritized approach to minimize the cyberattack surface. - Cyberthreat Detection with Behavioral Analytics: Utilize IoT and OT-aware behavioral analytics and machine learning to detect and respond to cyberthreats effectively. - Agentless Monitoring: Deploy non-invasive, passive monitoring that integrates seamlessly with diverse industrial equipment and legacy systems. - Unified Security Operations: Integrate with Microsoft Sentinel and other security information and event management (SIEM systems for centralized monitoring and governance. Primary Value and Problem Solved: Defender for IoT addresses the critical need for robust security in IoT and OT environments, which are often vulnerable due to unpatched devices, misconfigurations, and lack of visibility. By providing real-time asset discovery, continuous monitoring, and advanced threat detection, it empowers organizations to proactively manage risks, ensure compliance, and protect critical infrastructure from evolving cyberthreats. This solution enables seamless integration with existing security operations, fostering a unified approach to IT and OT security.

**Average Rating:** 4.3/5.0

**Total Reviews:** 97

#### How Do G2 Users Rate Microsoft Defender for IoT?

- **Quality of Support:** 8.3/10 (Category avg: 8.7/10)
- **IoT Network Security:** 8.7/10 (Category avg: 8.7/10)
- **Vulnerability Assessment:** 8.6/10 (Category avg: 8.7/10)
- **Performance:** 8.8/10 (Category avg: 9.0/10)

#### Who Is the Company Behind Microsoft Defender for IoT?

- **Seller:** [Microsoft](https://www.g2.com/sellers/microsoft)
- **Year Founded:** 1975
- **HQ Location:** Redmond, Washington
- **Twitter:** @microsoft  
13,091,739 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=9458f51bd6ded48ad432a804f19ad736469f007787569b63827154231c315630&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fmicrosoft%2F&secure%5Burl_type%5D=linkedin_company_website)  
231,632 employees on LinkedIn®
- **Ownership:** MSFT

#### Who Uses This Product?

- **Top Industries:** Information Technology and Services, Computer Software
- **Company Size:** 42% Small, 30% Medium

#### What Do G2 Reviewers Say About Microsoft Defender for IoT?

_AI-generated summary from verified user reviews_

##### Pros

- Users praise the **ease of use** of Microsoft Defender for IoT, enhancing threat detection and implementation.
- Users value the **easy integrations** of Microsoft Defender for IoT, enhancing security and workflow optimization effortlessly.
- Users appreciate the **reliable threat monitoring** of Microsoft Defender for IoT, ensuring robust protection without system slowdowns.
- Users value the **real-time monitoring and alerting capabilities** of Microsoft Defender for IoT for enhanced security.
- Users value the **effective management of cybersecurity** in IoT, enhancing protection and response for their devices.

##### Cons

- Users find Microsoft Defender for IoT to be **very expensive** , making it challenging for small businesses to manage costs.
- Users find the **learning curve** steep, making initial setup challenging for those unfamiliar with Microsoft's ecosystem.
- Users face **integration issues** with Microsoft Defender for IoT, citing limited interoperability and challenges for new users.
- Users find **installation challenges** with Microsoft Defender for IoT, requiring a learning curve and facing compatibility issues.
- Users note the **missing features** in Microsoft Defender for IoT, as it is still in development with a learning curve.

#### What Are Recent G2 Reviews of Microsoft Defender for IoT?

**["Unparalleled visibility and threat protection for unmanaged OT/IoT environments."](https://www.g2.com/survey_responses/microsoft-defender-for-iot-review-12295807)**

**Rating:** 5.0/5.0 stars

_— Paul B._

[Read full review](https://www.g2.com/survey_responses/microsoft-defender-for-iot-review-12295807)

**["Key pointsEssential Security for Critical IoT and OT Infrastructure"](https://www.g2.com/survey_responses/microsoft-defender-for-iot-review-8104156)**

**Rating:** 5.0/5.0 stars

_— Dr. Shalini P._

[Read full review](https://www.g2.com/survey_responses/microsoft-defender-for-iot-review-8104156)

#### What Are G2 Users Discussing About Microsoft Defender for IoT?

- [What is Microsoft Defender for IoT used for?](https://www.g2.com/discussions/what-is-microsoft-defender-for-iot-used-for)

### [AWS IoT Device Defender](https://www.g2.com/products/aws-iot-device-defender/reviews)

AWS IoT Device Defender is a fully managed service that helps you secure your fleet of IoT devices. AWS IoT Device Defender continuously audits the security policies associated with your devices to make sure that they aren't deviating from security practices.

**Average Rating:** 4.4/5.0

**Total Reviews:** 57

#### How Do G2 Users Rate AWS IoT Device Defender?

- **Quality of Support:** 8.6/10 (Category avg: 8.7/10)
- **IoT Network Security:** 9.0/10 (Category avg: 8.7/10)
- **Vulnerability Assessment:** 8.4/10 (Category avg: 8.7/10)
- **Performance:** 8.3/10 (Category avg: 9.0/10)

#### Who Is the Company Behind AWS IoT Device Defender?

- **Seller:** [Amazon Web Services (AWS)](https://www.g2.com/sellers/amazon-web-services-aws-3e93cc28-2e9b-4961-b258-c6ce0feec7dd)
- **Year Founded:** 2006
- **HQ Location:** Seattle, WA
- **Twitter:** @awscloud  
2,232,483 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=072881eee28a2afe24f8d1bda9f20e3e146b9fb4b214f216411ce2ed6898b31e&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Famazon-web-services%2F&secure%5Burl_type%5D=linkedin_company_website)  
147,094 employees on LinkedIn®
- **Ownership:** NASDAQ: AMZN

#### Who Uses This Product?

- **Who Uses This:** Software Engineer
- **Top Industries:** Computer Software, Information Technology and Services
- **Company Size:** 39% Small, 39% Medium

#### What Are Recent G2 Reviews of AWS IoT Device Defender?

**["AWS IoT Device Defender a complete security solution for IOT devices"](https://www.g2.com/survey_responses/aws-iot-device-defender-review-7231979)**

**Rating:** 4.0/5.0 stars

_— ABHISHEK J._

[Read full review](https://www.g2.com/survey_responses/aws-iot-device-defender-review-7231979)

**["Continuous IoT Security Monitoring and Fleet-Wide Visibility with AWS IoT Device Defender"](https://www.g2.com/survey_responses/aws-iot-device-defender-review-13170019)**

**Rating:** 4.0/5.0 stars

_— Atharva P._

[Read full review](https://www.g2.com/survey_responses/aws-iot-device-defender-review-13170019)

### [Google Cloud IoT Core](https://www.g2.com/products/google-cloud-iot-core/reviews)

A fully managed service to easily and securely connect, manage, and ingest data from globally dispersed devices

**Average Rating:** 4.1/5.0

**Total Reviews:** 29

#### How Do G2 Users Rate Google Cloud IoT Core?

- **Quality of Support:** 8.3/10 (Category avg: 8.7/10)

#### Who Is the Company Behind Google Cloud IoT Core?

- **Seller:** [Google](https://www.g2.com/sellers/google)
- **Year Founded:** 1998
- **HQ Location:** Mountain View, CA
- **Twitter:** @google  
31,899,995 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=fe4a5936665c9702418dd53c477fef5a7baea08078bb117ed67e966fc581b9ec&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F1441%2F&secure%5Burl_type%5D=linkedin_company_website)  
341,888 employees on LinkedIn®
- **Ownership:** NASDAQ:GOOG

#### Who Uses This Product?

- **Company Size:** 47% Small, 33% Medium

#### What Are Recent G2 Reviews of Google Cloud IoT Core?

**["Google Cloud IoT Review"](https://www.g2.com/survey_responses/google-cloud-iot-core-review-6911727)**

**Rating:** 4.0/5.0 stars

_— Alexander K._

[Read full review](https://www.g2.com/survey_responses/google-cloud-iot-core-review-6911727)

**["Google Cloud IoT Core Analytics feature is nice!"](https://www.g2.com/survey_responses/google-cloud-iot-core-review-7212836)**

**Rating:** 5.0/5.0 stars

_— Deepak Kumar N._

[Read full review](https://www.g2.com/survey_responses/google-cloud-iot-core-review-7212836)

#### What Are G2 Users Discussing About Google Cloud IoT Core?

- [What is Google Cloud IoT Core used for?](https://www.g2.com/discussions/what-is-google-cloud-iot-core-used-for)

### [BugProve](https://www.g2.com/products/bugprove/reviews)

As former security researchers, we founded BugProve to deliver the level of security that IoT deserves! Experience peace of mind by leveraging our automated firmware analysis platform: Swift Results: Upload your firmware image and receive first results in just 5 minutes. - Supply Chain Risk Management and Compliance: Identify components and known vulnerabilities, and opt for continuous CVE monitoring for compliance assurance. - Zero-day detection: Our built-in zero-day detection engine, PRIS, detects memory corruption vulnerabilities before they can be exploited. - All-in-One Hub: Seamlessly access product security reevaluations, comparisons, and updates, presented in an easily digestible format. - Effortless Sharing: Share findings via live links or export them as PDFs for convenient reporting. Involve your product development team with AI-assisted remediation recommendations. - Accelerated Testing: Save weeks in the pentesting process, enabling you to focus on in-depth discoveries and launch more secure products, without security bottlenecks. - IoT specific, detailed scans: BugProve runs checks directly on firmware, no source code needed. We run advanced static and dynamic analysis, unique multi-binary taint analysis, cryptographic analysis, and security configuration checks. No long-term contracts, commitments, and hidden fees. What’s more, we believe you should test the platform to see what it can do, so we offer a Free Plan. Sign up, and start scanning!

**Average Rating:** 4.9/5.0

**Total Reviews:** 20

#### How Do G2 Users Rate BugProve?

- **Quality of Support:** 9.6/10 (Category avg: 8.7/10)
- **IoT Network Security:** 9.2/10 (Category avg: 8.7/10)
- **Vulnerability Assessment:** 9.2/10 (Category avg: 8.7/10)
- **Performance:** 8.9/10 (Category avg: 9.0/10)

#### Who Is the Company Behind BugProve?

- **Seller:** [BugProve](https://www.g2.com/sellers/bugprove)
- **Year Founded:** 2021
- **HQ Location:** Budapest, HU
- **Twitter:** @Bugprove  
147 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=45b2d10cb9f710c105d19b532fb57d8c955e4272f5981d1b6e4d308ef00ef50b&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbugprove&secure%5Burl_type%5D=linkedin_company_website)  
2 employees on LinkedIn®

#### Who Uses This Product?

- **Top Industries:** Computer & Network Security
- **Company Size:** 90% Small, 10% Large

#### What Are Recent G2 Reviews of BugProve?

**["Securing the IoT Landscape: A Thorough Review of BugProve for Firmware Penetration Testing"](https://www.g2.com/survey_responses/bugprove-review-8865710)**

**Rating:** 5.0/5.0 stars

_— Barnabas S._

[Read full review](https://www.g2.com/survey_responses/bugprove-review-8865710)

**["BugProve has all the potential to be the leading platform for IoT security scanning"](https://www.g2.com/survey_responses/bugprove-review-8958416)**

**Rating:** 4.5/5.0 stars

_— Imre R._

[Read full review](https://www.g2.com/survey_responses/bugprove-review-8958416)

Spotlight Categories

[Cloud Content Collaboration Software](https://www.g2.com/categories/cloud-content-collaboration)

[CMMS Software](https://www.g2.com/categories/cmms)

[Pricing Software](https://www.g2.com/categories/pricing)

[Marketing Analytics Tools](https://www.g2.com/categories/marketing-analytics)

[Professional Services Automation Software](https://www.g2.com/categories/professional-services-automation)

Similar Categories

- [Incident Response](/categories/incident-response)
- [Security Information and Event Management (SIEM)](/categories/security-information-and-event-management-siem)
- [Threat Intelligence](/categories/threat-intelligence)
- [AI SOC Agents](/categories/ai-soc-agents)
- [Breach and Attack Simulation (BAS)](/categories/breach-and-attack-simulation-bas)

- [Deception Technology](/categories/deception-technology)
- [Digital Forensics](/categories/digital-forensics)
- [Digital Risk Protection (DRP) Platforms](/categories/digital-risk-protection-drp-platforms)
- [Malware Analysis Tools](/categories/malware-analysis-tools)
- [Managed Detection and Response (MDR)](/categories/managed-detection-and-response-mdr)

- [OT Secure Remote Access](/categories/ot-secure-remote-access)
- [OT Security Tools](/categories/ot-security-tools)
- [Red Teaming Tools](/categories/red-teaming-tools)
- [Security Orchestration, Automation, and Response (SOAR)](/categories/security-orchestration-automation-and-response-soar)

[Browse IoT Security Solutions Themes](/categories/iot-security-solutions/themes)