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When it comes to cybersecurity, many IT teams love Cisco’s Identity Services Engine (ISE) as it is a powerful tool that allows security and networking teams valuable insight and oversight. While it does offer a whole host of benefits it’s not without its own drawbacks. Before you make the switch to ISE there are four things you should know.
ISE Still Has Faults
While there are many people out there who will talk about Cisco ISE as if it is magic, it’s important to understand that even this program has its limits. One of the most common misconceptions is that ISE does not perform monitoring of your network for activity or traffic, although it can probe systems and identify specific responses.
User-Based Authentication Has Analytical Value
With an ISE system, you have the option to use it to authenticate users or devices. While in the past this was often used to make sure that only company devices could attach to a network, today ISE is more often used to integrate other components of security. The integration capabilities of ISE make the system much more powerful thanks to the access to user data.
Always Ensure Cross-Compatibility
One issue that many organizations have is if they haven’t looked into their compatibility with ISE. If an organization has older equipment and technology not all of it may be cross-compatible. Depending on your system and the severity of the mismatch you may need to begin updating your entire system far in advance. While this can cause extra work and expenses early on, it’s best to know in advance that this issue will occur.
Teach ISE To Sift Out False Positives
When you first switch to an ISE system you might find that you’re receiving a surplus of alerts. Not all of these will be valid, of course, and it may take some time to teach your system what to look for in true security breach events. Any event that features a CPU spike, failed backups, certificate expirations, and ISE devices losing contact are all events that you want to make sure you’re seeing and taking note of. Ultimately the goal is to train your ISE to minimize the false positives so that your real events don’t get lost in the noise.
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