G2 Vendor Directory

FortiOS

by Fortinet

52

Reviews

4.3

Star rating

#15

Rank in Operating System

Pros and cons

Pros

  • Ease of Use
  • Security Features
  • Easy Management
  • Security/Safety
  • User-Friendly
  • Easy Installation

Cons

  • Unfriendly Interface
  • Integration Issues
  • Command Line
  • Security Issues
  • Poor UI/UX
  • Poor Graphics/Display

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines for FortiOS.

Page views and citations · FortiOS

Source: G2 review data

Key stats

-75.0%

58

Mid-Market

1

Adoption by company size

SegmentShare of reviews
Small Business19.2%
Mid-Market69.2%
Enterprise11.5%

Quarterly history

QuarterReviewsStar rating
2025 Q115.0
2025 Q214.0
2025 Q334.8
2025 Q4104.6
2026 Q164.3
2026 Q2124.0
2026 Q334.7

Satisfaction ratings

Ease of Use8.8
Ease of Setup8.9
Quality of Support8.8
Meets Requirements9.2

What reviewers say

FortiOS: Solid Integrated Security with Centralized Visibility and Strong VPN

5.0

“FortiOS is a solid choice for organizations looking for an integrated firewall and network security platform. Good security features, centralized visibility, useful logging, flexible firewall policies, and strong VPN capabilities.”

Associate Network Engineer

Interactive, Easy-to-Use Interface with Frequent Patches and Firmware Upgrades

5.0

“FortiOS is very interactive and easy to use. The interface is easy for anyone with basic networking knowledge to uderstand and use. I particularly like the rate at which Fortinet rolls out patches and firmware upgrades”

Network Security Engineer, SOC

All-in-One Networking & Cybersecurity Platform That Strengthens Architecture.

5.0

“It works good about the security and devices combines networking and cybersecurity functions into one, and that is so useful because now you have it on a platform, without any problem, it can help for a better architecture.”

Full Stack developer