--- title: FortiOS Reviews meta_title: 'FortiOS Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 51 reviews by the users' company size, role or industry to find out how FortiOS works for a business like yours. aggregate_rating: rating_value: 4.3 review_count: 51 scale: '5' date_modified: '2026-07-30' parent_category: name: IT Infrastructure url: https://www.g2.com/categories/it-infrastructure --- # FortiOS Reviews **Vendor:** Fortinet **Category:** [Operating Systems](https://www.g2.com/categories/operating-system) **Average Rating:** 4.3/5.0 **Total Reviews:** 51 ## About FortiOS FortiOS is Fortinet's proprietary operating system that serves as the foundation of the Fortinet Security Fabric, delivering integrated security and networking capabilities across various environments, including on-premises, cloud, hybrid, and converging IT/OT/IoT infrastructures. By enabling the convergence of security and networking, FortiOS helps close security gaps and simplifies management, ensuring consistent user experiences and unified security policies. Key Features and Functionality: - Unified Operating System: FortiOS provides consistent security policies and enforcement across the entire network. - Centralized Management Platform: FortiManager simplifies security management, offering comprehensive network visibility and control. - Integrated Endpoint Protection: FortiClient delivers telemetry, visibility, control, and protection for endpoints. - Unified Data Platform: Streamlines threat detection, investigation, and response, facilitating faster decision-making. - Quantum-Safe Encryption: Enables quantum-resistant cryptography to protect against future quantum threats. - AI-Powered Security: FortiAI assists NOC and SOC teams with quicker decision-making and more efficient operations. - Managed Services: Offers management services to alleviate the burden on NOC and SOC teams, addressing the cybersecurity skills gap. - Enhanced Data Protection: Ensures sensitive information remains secure across hybrid networks. - Advanced Intrusion Prevention System (IPS): Utilizes AI/ML-powered IPS engine to detect and stop sophisticated threats proactively. Primary Value and Solutions Provided: FortiOS addresses the challenges of managing complex and diverse network environments by integrating security and networking functions into a single, cohesive platform. This integration reduces complexity, enhances security posture, and improves operational efficiency. By offering a unified operating system with centralized management, FortiOS enables organizations to enforce consistent security policies, gain comprehensive visibility, and respond swiftly to threats. The inclusion of AI-driven capabilities and quantum-safe encryption ensures that organizations are equipped to handle both current and emerging security challenges effectively. ## FortiOS Pros & Cons **What users like:** - Users value the **ease of use** of FortiOS, appreciating its intuitive interface and seamless multi-device functionality. (8 reviews) - Users value the **easy management** of FortiOS, praising its straightforward setup and monitoring capabilities for FortiAPs. (4 reviews) - Users praise FortiOS for its **robust security features** , ensuring fast transactions while preventing advanced threats and maintaining compliance. (4 reviews) - Users praise FortiOS for its **comprehensive security functions** that ensure safe transactions and seamless integration with Fortinet products. (4 reviews) - Users find FortiOS to be **user-friendly** , highlighting its easy installation and intuitive interface across devices. (4 reviews) - Users value the **easy installation** of FortiOS, allowing for quick setup and seamless network integration. (3 reviews) - Users value the **easy setup** of FortiOS, appreciating its straightforward and hassle-free maintenance process. (2 reviews) - Reliability (2 reviews) - Speed/Performance (2 reviews) - User Interface (2 reviews) **What users dislike:** - Users find FortiOS's **unfriendly interface** challenging, often requiring a switch to CLI for better usability. (3 reviews) - Users find the **command line interface necessary** for advanced settings, as the GUI can be unintuitive. (2 reviews) - Users face **integration issues** with FortiOS, finding it challenging to connect with third-party solutions effectively. (2 reviews) - Users point out the need for **better security** and cloud integration in FortiOS, citing serious vulnerabilities. (2 reviews) - Users find the **high cost** and licensing complexities challenging for adopting FortiOS effectively. (1 reviews) - Users find the **complex menu** of FortiOS time-consuming to navigate, impacting their overall experience. (1 reviews) - Users find **FortiOS outdated** due to reliance on CLI for advanced settings and confusing logs. (1 reviews) - Performance Issues (1 reviews) - Users find the **graphics and display outdated** , wishing for a more modern and appealing visual experience. (1 reviews) - Poor UI/UX (1 reviews) ## FortiOS Reviews ### 1. FortiOS **Rating:** 4.0/5.0 stars **Reviewed by:** Jakub G. | Administrator systemów i sieci, Enterprise (> 1000 emp.) **Reviewed Date:** November 19, 2021 **What do you like best about FortiOS?** Possibility of modification in external tools **What do you dislike about FortiOS?** Many features are missing from the GUI... **What problems is FortiOS solving and how is that benefiting you?** Security in the organization ## FortiOS Discussions - [What is FortiOS used for?](https://www.g2.com/discussions/what-is-fortios-used-for) - 2 comments - [View FortiOS pricing details and edition comparison](https://www.g2.com/products/fortios/reviews?page=2§ion=pricing&secure%5Bexpires_at%5D=2026-08-04+04%3A08%3A51+-0500&secure%5Bsession_id%5D=1856d238-f4d1-43b8-9310-11f344e9f310&secure%5Btoken%5D=746df77ff476aa5f57fd45c6c76dfa5ae0f088c951059ec9f0736692384ea0e6&format=llm_user) ## FortiOS Integrations - [FortiClient](https://www.g2.com/products/forticlient/reviews) - [FortiGate-VM NGFW](https://www.g2.com/products/fortigate-vm-ngfw/reviews) - [Microsoft Active Directory Certificate Services (AD CS)](https://www.g2.com/products/microsoft-active-directory-certificate-services-ad-cs/reviews) - [Microsoft Entra ID](https://www.g2.com/products/microsoft-entra-id/reviews) - [Splunk Enterprise](https://www.g2.com/products/splunk-enterprise/reviews) ## FortiOS Features **Memory Management - Operating System** - RAM management **Device Management - Operating System** - I/O management **Backup and Recovery - Operating System** - Data backup **Error Detection - Operating System** - System operations monitoring ## Top FortiOS Alternatives - [Red Hat Enterprise Linux](https://www.g2.com/products/red-hat-enterprise-linux/reviews) - 4.6/5.0 (933 reviews) - [Ubuntu](https://www.g2.com/products/ubuntu/reviews) - 4.5/5.0 (2,345 reviews) - [Windows 11](https://www.g2.com/products/windows-11/reviews) - 4.5/5.0 (4,120 reviews)