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Cisco Secure Firewall vs Palo Alto Networks CN-Series comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Apr 5, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Fortinet FortiGate
Sponsored
Ranking in Firewalls
1st
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
592
Ranking in other categories
Secure Web Gateways (SWG) (2nd), Intrusion Detection and Prevention Software (IDPS) (1st), Software Defined WAN (SD-WAN) Solutions (1st), WAN Edge (1st), ZTNA (1st), Unified Threat Management (UTM) (1st)
Cisco Secure Firewall
Ranking in Firewalls
4th
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
464
Ranking in other categories
Cisco Security Portfolio (2nd)
Palo Alto Networks CN-Series
Ranking in Firewalls
33rd
Average Rating
9.6
Reviews Sentiment
7.4
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Firewalls category, the mindshare of Fortinet FortiGate is 15.1%, down from 21.7% compared to the previous year. The mindshare of Cisco Secure Firewall is 7.5%, up from 5.9% compared to the previous year. The mindshare of Palo Alto Networks CN-Series is 0.4%, up from 0.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Firewalls Mindshare Distribution
ProductMindshare (%)
Fortinet FortiGate15.1%
Cisco Secure Firewall7.5%
Palo Alto Networks CN-Series0.4%
Other77.0%
Firewalls
 

Featured Reviews

JK
IP Network Security Specialist at MTN Ghana
Process-Level CPU Visibility: Introduce detailed CPU-usage metrics per subsystem (e.g., IPS engine, logging) so administrators can quickly identify and address performance spikes.
Analytics with FortiAnalyzer. Being able to pull in logs not just from our FortiGates but from all our other firewalls and then get them in one view has been a game changer. Whether I’m building an executive dashboard or doing a deep dive forensics session, I get everything I need without navigating consoles.Straightforward Application Control. FortiGate spots and blocks unwanted apps (eq. like BitTorrent or streaming services) with accuracy. Segmentation with VDOMs. We’ve carved our data center into four logical ‘mini-firewalls’ enterprise, core, billing, and WAF—all on one box. Each has its own rules and logs, and any traffic between them still gets inspected. It’s like having multiple appliances without the extra hardware. Always-Up-to-Date Threat Feeds. Daily signature updates and AI-driven threat sensing mean we’re blocking the latest vulnerabilities almost as soon as they’re announced.
RajeshKumar - PeerSpot reviewer
Network Consultant at a outsourcing company with 1,001-5,000 employees
Unified policies have strengthened zero-trust demos and automate rapid threat containment
Feedback and Improvement Areas – Cisco Secure Firewall (Customer Perspective) From a customer point of view, there are a few improvement areas observed while positioning Cisco Secure Firewall in competitive scenarios. 1. Dashboard & Visibility Enhancements Customers often compare firewall dashboards across different OEMs during evaluation. * Competing vendors typically provide more feature-rich and visually detailed dashboards. * There is a perception that Cisco dashboards still require enhancement in terms of visualization, consolidated reporting, and built-in analytics. * Some OEMs advertise additional security capabilities clearly within their publicly available data sheets, making competitive positioning easier. In comparison, Cisco sometimes references separate documentation or explains how certain capabilities (such as anti-spam or antivirus functionality) can be achieved through integration or ecosystem components rather than native, built-in features. This creates a perception gap during customer discussions. Improvement Opportunity: * Enhance dashboard capabilities. * Clearly articulate feature availability in public documentation and data sheets. * Reduce dependency on cross-referenced documentation for commonly compared features. 2. Virtual Firewall / Multi-Instance Capabilities in Lower Models Another competitive challenge relates to virtual firewall capabilities. * Several OEMs provide virtual firewall (VDOM-like) functionality in lower-end models. * In Cisco’s portfolio, multi-instance capability typically starts from higher-end platforms such as the 3K series or higher. * Customers looking for smaller deployments with logical segmentation are often forced to consider higher models, resulting in a price jump. Competitors also offer: * Compact hardware models * Dongle-based firewall appliances * Smaller entry-level products with virtual segmentation In Cisco’s case: * To achieve similar multi-instance functionality, customers must opt for higher-tier models. * This creates a significant pricing gap in entry-level or SMB deployments. This pricing difference becomes a key factor when customers compare solutions. If competitors offer a lower-cost model with virtual segmentation, and Cisco requires a higher platform investment, customers may lean toward alternative OEMs. 3. Documentation Gaps – OT Protocol Visibility In our lab environment, we have deployed Cisco Secure Firewall and are using Application Visibility and Control (AVC) for OT network monitoring. Observations: * OT protocols are clearly visible within application visibility. * The firewall successfully identifies and classifies OT traffic. However: * This capability is not clearly mentioned in publicly available documentation. * When a feature is available and functional, it should be explicitly documented in data sheets and feature guides. The need for third-party integration depends on what we are looking for. Here I am saying that the integration with Cisco NAC can be done because RTC functionality is only available with Cisco ISE and the firewall integration. For other ecosystems, if we use a NAC solution that is not Cisco, we can still integrate it for user authentication, such as with VPN user authentication. But in that case, we don't achieve the same functionality, such as RTC with other NAC solutions. This is one aspect. Another part is that if we are using it, it always happens with some NAC solutions because we have Cisco NAC and Cisco firewall; we want consistent policy across the network, whether the user is on-prem or using VPN services. If this is a unified OEM solution, in that case, we require an agent, such as the Cisco Secure Client. That allows us to easily check the posture status of the remote user and connect to the network effortlessly. But if we are using a third-party solution, we can't achieve that. From a SIEM perspective, certain prerequisites must be fulfilled before integration with Cisco Secure Firewall can be completed. The feasibility of integration depends on the capabilities of the SIEM platform. If the SIEM solution supports the required APIs and event handling mechanisms, similar functionality can be achieved. Therefore, integration itself is generally not the challenge; the key consideration is the desired security outcome within the overall ecosystem. If the customer does not have a SIEM solution and intends to automate quarantine actions or enforce restricted access for users, a Network Access Control (NAC) solution becomes mandatory. In this scenario, the recommended NAC solution is Cisco Identity Services Engine (Cisco ISE). Automated quarantine and dynamic access control workflows are dependent on NAC capabilities. From a feature enhancement perspective for Cisco Secure Firewall, deeper NAC-driven integration adds significant value. 1. TrustSec / Tag-Based Policy Enforcement Cisco ISE supports Cisco TrustSec, which enables Security Group Tag (SGT)-based segmentation. * In traditional (legacy) networks, firewall policies are created based on IP addresses. * With TrustSec, policies are defined based on user identity, group membership, and security tags instead of IP subnets. * When users authenticate to the network, Cisco ISE assigns Security Group Tags (SGTs). * These tags are shared with Cisco Secure Firewall. * The firewall then enforces policies based on SGT-to-SGT rules rather than IP-to-IP rules. Benefits: * Significant reduction in the number of firewall rules * Simplified policy management * Improved scalability * Easier implementation of role-based access control This integration enhances operational efficiency and security posture. 2. Rapid Threat Containment (RTC) Another key capability is Rapid Threat Containment (RTC). If Cisco Secure Firewall detects malicious activity—such as malware download attempts identified via signature-based or advanced threat detection—it can notify Cisco ISE about the compromised endpoint. Based on this input: * Cisco ISE can automatically quarantine the user * The endpoint can be moved to a restricted VLAN * Access can be dynamically limited without manual intervention This automated workflow ensures faster response time and reduces the risk of lateral movement within the network. 3. VPN and Posture Assessment This functionality is not limited to wired or LAN users. For VPN users: * Authentication can be integrated with third-party NAC solutions. * However, if posture assessment (device compliance checking) is required in addition to authentication, Cisco ISE integration with Cisco Secure Firewall becomes essential. Cisco ISE enables: * Endpoint posture validation * Dynamic policy assignment * Automated remediation workflows
Ahmed_Shalaby - PeerSpot reviewer
Senior Cyber Security Engineer at Beta Information Technology
Application control excels and integration with monitoring system boosts efficiency
I am an integrator working with Palo Alto Networks CN-Series and Panorama. I have been involved with the implementation of Palo Alto Networks CN-Series The stability of Palo Alto Networks CN-Series is excellent. Application control is one of the most valuable features. Its monitoring capability…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The best features of Fortinet FortiGate are that it does the job effectively and protects our environment."
"Fortinet FortiGate has positively impacted my organization by centralizing the way to access all of our network firewalls."
"There are lots of features and most of them are deployed for internet security. Users are protected if they accidentally go to some malicious sites."
"I have found most of the features to be good with excellent functionality."
"The SD-WAN is the most valuable feature."
"Fortinet FortiGate has positively impacted our organization by providing stronger network security as it's a next-generation firewall, blocking known threats and vulnerabilities in real-time, detecting and controlling thousands of applications, scanning encrypted traffic, and improving VPN and remote access through automated failover and intelligent routing protocols like BGP over IPsec VPN."
"The installation was super easy, we were up and running in less than 50 minutes."
"FortiGate is the most effective solution for us and it's a cheaper option to Check Point or Palo Alto which we looked at."
"The security features are valuable because it is easy to use and it has an important role as a firewall."
"It is extremely stable I would say — at least after you deploy it."
"For companies prioritizing security, the optimal choice is one that offers a range of feeds to cater to diverse needs. This is particularly crucial for organizations implementing DDoS mitigation. The preferred solutions typically align with the top server vendors, with Cisco, Forti, and Barracuda consistently ranking among the top three vendors we collaborate with."
"This product has increased the visibility in our network."
"If it is for a banking domain, your organisation should use Cisco which can assure better security than any other vendors' products."
"The solution's reliability, performance, and security are most valuable."
"What I appreciate the most about Cisco Secure Firewall is that it can be very elastic, as it can be configured with all the flexibility of my network needs and complexity."
"Our content, which is the main asset for our firm, is pretty elusive behind the firewall of Cisco ASA."
"The stability of Palo Alto Networks CN-Series is excellent."
"The app inspection is very helpful for network security."
 

Cons

"Its pricing should also be improved according to Indian market requirements."
"To stay ahead of the competition Fortinet FortiGate IPS needs to think about how to adjust pricing."
"The graphical user interface of Fortinet's FortiGate product does not function well with text-based interfaces."
"The technical support that Fortinet provides is not satisfactory. When we call Fortinet technical support, it takes too much time to connect with them."
"The built-in logging and reporting is limited without FortiAnalyzer."
"Fortinet is huge in today's market and they've become quite expensive."
"There are a lot of bugs I have found in the solution and it is difficult to upgrade. These areas need improvement."
"The room for improvement is about the global delivery time period. Usually I need to wait for almost one month to deliver it overseas. So if you can shorten the deliver time it'd be great."
"When you make any changes, irrespective of whether they are big or small, Firepower takes too much time. It is very time-consuming. Even for small changes, you have to wait for 60 seconds or maybe more, which is not good. Similarly, when you have many IPS rules and policies, it slows down, and there is an impact on its performance."
"Integration aspects and traffic shaping need improvement."
"The stability and the product features have to really be worked on."
"I needed to be well-versed with all the command lines for Cisco ASA in order to fully utilize it. I missed this info and wasted some operational costs."
"I think the ASA layer is thin. It's always Layer 3 or Layer 4 source controller and doesn't control the Layer 7 traffic. It's important, and you'll need an additional firewall."
"The Firepower FTD code is missing some old ASA firewalls codes. It's a small thing. But Firepower software isn't missing things that are essential, anymore."
"When Cisco acquired Sourcefire and turned it into Firepower, it was a very problematic device."
"The licensing is very expensive."
"Palo Alto Networks CN-Series could improve on its pricing as it is quite expensive."
"I'd like to see more IOPs features."
 

Pricing and Cost Advice

"FortiGate Next Generation Firewall is an expensive solution with a yearly subscription."
"The price is fine."
"I do not have first-hand experience with the rice of Fortinet FortiGate, but I have heard the price was reasonable."
"I think that the pricing is fair."
"FortiGate Next Generation Firewall is an expensive solution."
"It's expensive, but compared to the competition it's okay."
"If you compare the price of Fortinet FortiGate IPS to other firewalls, Check Point is priced very high followed by Palo Alto and Sophos. Fortinet FortiGate IPS price is more reasonable."
"It's an expensive solution."
"Our individual release cycle has been quicker because the entire development and testing environment has been automated because of these virtual instances. It has aligned our development workflow. This is where we have seen the ROI increase."
"The product cost is a little high. It is a little bit on the high side, and it should be a little bit cost-friendly."
"This is an expensive product, although when you buy this solution, you can do many things so it provides good value for the investment."
"The licensing is not good, it's confusing. I'm an engineer so I don't care about the actual price that much but the licensing part is confusing."
"I bought a license for three years and it was really affordable."
"To discuss with Cisco Systems or their partners to gain the optimal price and to not consider, without verifying, the false information that Cisco ASA is very expensive."
"It is pay-as-you-go, so it much cheaper than buying in the plants."
"The one-time cost is affordable, but the maintenance cost and the Smart Net costs need to be reduced. They're too high."
Information not available
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Comparison Review

it_user206346 - PeerSpot reviewer
Security Consultant at Webernetz.net - Network Security Consulting
Mar 11, 2015
Cisco ASA vs. Palo Alto Networks
Cisco ASA vs. Palo Alto: Management Goodies You often have comparisons of both firewalls concerning security components. Of course, a firewall must block attacks, scan for viruses, build VPNs, etc. However, in this post I am discussing the advantages and disadvantages from both vendors concerning…
 

Top Industries

By visitors reading reviews
Comms Service Provider
10%
Computer Software Company
9%
Manufacturing Company
9%
Financial Services Firm
7%
Construction Company
10%
Financial Services Firm
9%
Manufacturing Company
9%
Computer Software Company
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business369
Midsize Enterprise139
Large Enterprise195
By reviewers
Company SizeCount
Small Business192
Midsize Enterprise130
Large Enterprise236
No data available
 

Questions from the Community

Which is the better NGFW: Fortinet Fortigate or Cisco Firepower?
When you compare these firewalls you can identify them with different features, advantages, practices and usage a...
What is the biggest difference between Sophos XG and FortiGate?
From my experience regarding both the Sophos and FortiGate firewalls, I personally would rather use FortiGate. I know...
What are the biggest technical differences between Sophos UTM and Fortinet FortiGate?
As a solution, Sophos UTM offers a lot of functionality, it scales well, and the stability and performance are quite ...
Which is better - Fortinet FortiGate or Cisco ASA Firewall?
One of our favorite things about Fortinet Fortigate is that you can deploy on the cloud or on premises. Fortinet Fort...
How does Cisco's ASA firewall compare with the Firepower NGFW?
It is easy to integrate Cisco ASA with other Cisco products and also other NAC solutions. When you understand the Cis...
Which is better - Meraki MX or Cisco ASA Firewall?
Cisco Adaptive Security Appliance (ASA) software is the operating software for the Cisco ASA suite. It supports netw...
What is your experience regarding pricing and costs for Palo Alto Networks CN-Series?
The pricing of Palo Alto Networks CN-Series is quite expensive, rating around eight on a scale of one to ten for cost.
What needs improvement with Palo Alto Networks CN-Series?
Palo Alto Networks CN-Series could improve on its pricing as it is quite expensive. The SD-WAN implementation using P...
What is your primary use case for Palo Alto Networks CN-Series?
I am an integrator working with Palo Alto Networks CN-Series ( /products/palo-alto-networks-cn-series-reviews ) and P...
 

Also Known As

Fortinet FortiGate Next-Generation Firewall
Cisco Adaptive Security Appliance (ASA) Firewall, Cisco ASA NGFW, Adaptive Security Appliance, Cisco Sourcefire Firewalls, Cisco ASAv, Cisco Firepower NGFW Firewall, Cisco Secure Firewall ASA Virtual - BYOL
No data available
 

Overview

 

Sample Customers

Amazon Web Services, Microsoft, IBM, Cisco, Dell, HP, Oracle, Verizon, AT&T, T-Mobile, Sprint, Vodafone, Orange, BT Group, Telstra, Deutsche Telekom, Comcast, Time Warner Cable, CenturyLink, NTT Communications, Tata Communications, SoftBank, China Mobile, Singtel, Telus, Rogers Communications, Bell Canada, Telkom Indonesia, Telkom South Africa, Telmex, Telia Company, Telkom Kenya
There are more than one million Adaptive Security Appliances deployed globally. Top customers include First American Financial Corp., Genzyme, Frankfurt Airport, Hansgrohe SE, Rio Olympics, The French Laundry, Rackspace, and City of Tomorrow.
Information Not Available
Find out what your peers are saying about Cisco Secure Firewall vs. Palo Alto Networks CN-Series and other solutions. Updated: June 2026.
902,270 professionals have used our research since 2012.