Cisco Adaptive Security Appliance (ASA) Software vs. Microsoft Defender for IoT

Cisco ASA's are great for internal network connected access between a firewall and the central management server. And, for complex networks where high security requirements with overly strict compliance are necessary. For networks with limited connectivity to the core or for poor network connectivity these are not the best solution. There are other more stand-alone firewall's that do this better. These firewall's are a little more complex to set up to start with so significant knowledge of these devices is required to set them up and ensure they are best practice installed.

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Suited in almost all situations as it has a server less option where if your end device cannot bear the load of an agent, it could be used to protect the network. The comprehensive dashboarding and its integration with Microsoft Defender 365 and Sentinel allows automated remediation and full incident investigation at a single pane. If you don't have a 24*7 SOC team this ca come handy as you can automate workbooks and scripts to run with custom triggers. I haven't faced any scenario where it is not a suitable choice.

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• ASA is our VPN concentrator. The client and server are very stable and very easy to use
• ASA also offers Intrusion Prevention, to an extent. This is also very useful for an improved security posture for a small company
• ASA allowed us to scale very quickly. We could onboard clients, partners, and consultants and give them a great onboarding experience as well
• Administrative costs with ASA are low. It's very easy to administer.

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• Easy Integration in the form of multiple deployment options including On Prem, Azure or Hybrid Cloud
• All round protection/ Real time analytics with absolutely no performance hits
• Interoperability with Microsoft SIEM/SOAR. This helps in global threat protection with automated and cross domain network security

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• The ASDM software is at times a nightmare to install because of different java versions[.]
• [The firewall] could do with a power button, just to be able to do a hard reboot when needed[.]
• It would be nice to manage the firewall via the web on port 443[.]

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• The deployment when new to the system is not an easy task.
• Multiple big project information securing.
• Migrating large amount of different data.

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To be honest there has been now great products out in the market compared to Cisco ASA. I beleieve Cisco has to do a lot of improvement in this area. The other defeiniete factors is the cost when it comes to renewals which is always a premium on Cisco products

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I generally have not noticed the outages, however since it's a machine it can malfunction, we need to implement the firewall infrastructure in such a way that it is highly available with device failure, region failure etc. Else any solution will be having the issues if they are not build with resiliency.

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The support is usually very good and gets back to you very quickly. However I had some instances of when two engineers will give me wildly different answers to what I thought was a simple question. Overall however I do rate the support highly and they are generally always very good.

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It was quite a good one, how ever requires an expertise to deploy hence the SMB segment would be finding it difficult to implement this product. The one good reason is that there are lot of ASA certified engineers in compared to the other certified engineers. Hence this resembles positively on the deployment as you have quite a lot of experienced engineer on your deployment

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We were using [pfSense] before in our environment but we regularly facing difficulties over it due to software bugs & downtime. After implementing Cisco ASA, it resolved our availability issue & provides us a reliable solution with the best security features & easy to understand GUI.

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Defender being native to MS was the decision maker for us.

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• Most network engineers have worked with ASA, so there is no need for re-training when adding or turning over staff
• Current configs from older devices plug in easily, and are operational on larger devices if an upgrade is required
• Many support options available

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• Positive: With the influx of IoT device organisations in general, we have seen significant demand of the product and hence a good revenue
• Negatively, sometimes, some preview features may significantly change or stop working, which causes client frustration
• Overall, keeping the distrust in preview features aside, 99% of the times, defender hits the right spot!

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Independently Invited by TrustRadius

A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info