UnderDefense handles our high-volume telecom traffic exceptionally well. Operating a cloud telephony and virtual number platform means processing thousands of real-time SIP sessions and API calls every second, which caused traditional tools to flood us with false alarms during normal traffic spikes. UnderDefense’s AI actually understands telephony context—it instantly filters out background noise and flags only legitimate security risks, like SIP credential abuse or suspicious webhook changes. Review collected by and hosted on G2.com.

No serious drawbacks so far; it works well for our needs. Review collected by and hosted on G2.com.

Our day-to-day work centers on high-volume data engineering and software development, so our security telemetry is tightly wired into our Splunk setup. When we decided to add AI capabilities to our SOC, every vendor we spoke with tried to force a platform shift — either migrating us to their stack or moving our logs out of our environment. UnderDefense was the only team that took a pragmatically open approach. They connected directly to our Splunk setup in week one with zero log re-formatting and zero data migration. Keeping full control of our data lake while gaining autonomous threat triage gave us immediate value without the operational friction. Review collected by and hosted on G2.com.

As their Agentic SOC runs natively inside our own cloud setup, it's not an off-the-shelf SaaS tool you can activate in five minutes. Our infrastructure team had to take ownership of provisioning the compute and storage resources up front before going live. Review collected by and hosted on G2.com.

What sets the UnderDefense Agentic SOC apart is its ability to conduct end-to-end triage autonomously. In our environment, which handles high volumes of integrations, data transfers, and SaaS configurations, alert fatigue can easily become a major resource drain. Instead of simply forwarding raw alerts, the platform's AI agents actively investigate them. They pull the relevant context from our logs, correlate user activity across our infrastructure, and determine whether a flag is a false positive or an actual threat. The depth of the automated investigations is impressive, allowing our internal team to step back from the daily grind of log analysis and focus on broader architecture and strategy. Review collected by and hosted on G2.com.

Transitioning to an autonomous system required a shift in our team's operational habits. Early on, our engineers instinctively spent time manually verifying the AI’s conclusions until we grew comfortable trusting its automated investigation paths. It simply takes a few weeks to adapt to this new way of working, but the system becomes highly efficient once that initial adjustment period is complete. Review collected by and hosted on G2.com.

Escalations arrive fully analyzed with step-by-step guidance, letting us make quick fixes without second-guessing. The system connects directly into our existing infrastructure and translates raw log telemetry into clear operational context. It gives us round-the-clock threat visibility that easily satisfies the strict security requirements our enterprise partners demand. The pricing is market-based, and we’re always comfortable with the price control. There are no unexpected changes or misunderstandings. Overall, everything is well-controlled and transparent. Review collected by and hosted on G2.com.

Nothing really comes to mind. Any minor tweaks we've ever needed were handled quickly by their team. Review collected by and hosted on G2.com.

We recently worked with UnderDefense on a penetration testing project, and the experience exceeded our expectations. Their team provided us with clear and detailed insights into security vulnerabilities, along with practical recommendations on how to fix them. This level of transparency made it easy for our team to take action and strengthen our security.

Beyond the testing itself, UnderDefense also helped us navigate key compliance requirements, ensuring we met industry standards smoothly and efficiently.

What stood out the most was their responsiveness and flexibility—no matter the issue, they tackled it quickly and professionally. It’s clear they take security seriously and genuinely care about their clients.

For any company looking for reliable cybersecurity expertise and outstanding customer support, we highly recommend UnderDefense. Review collected by and hosted on G2.com.

No drawbacks, the service fully met our expectations. Review collected by and hosted on G2.com.

The biggest win for me was getting actual control over our security alerts. Before the guys from UD stepped in, we were getting bombarded with alerts from all our security tools. Their team cleaned up our configurations and got the noise under control within the first week. Now when we get an alert, we know it's something worth looking into.

The platform itself is straightforward - it pulls in data from all our existing security tools, so we didn't have to rip and replace anything. Their SOC team is responsive and knows their stuff. When they escalate something, they include the context we need to understand the issue quickly. We're not wasting time piecing together what happened from different systems anymore. Review collected by and hosted on G2.com.

Setting everything up took some back and forth to get our tools properly integrated. Not really a complaint since it's expected, but worth mentioning for others considering the service. You'll need to dedicate some time upfront to get things configured properly. Review collected by and hosted on G2.com.

It's reassuring to know they're always watching for threats, and it doesn't cost a fortune. They catch and stop problems quickly, which is a huge relief. The platform works really well with our other security tools, which makes things much simpler. And we really appreciate that we can customize the threat detection to focus on our specific needs. Review collected by and hosted on G2.com.

Honestly, there's not much to complain about. They're always quick to listen to our feedback and make changes. It'd be great to have even more control over the dashboard and more automated updates. Overall, UnderDefense is incredibly valuable to us. Review collected by and hosted on G2.com.

Underdefense is a great choice for teams like ours that are short on resources. It automates many tasks, plus, with 24/7 monitoring, we know we're always protected.

The platform seamlessly integrates our existing security tools, simplifying management. Plus, it's incredibly easy to deploy.

I used to work with many MDR solutions in the past, and so far Underdefense is the best one! Review collected by and hosted on G2.com.

There's not much to dislike. I appreciate that whenever I have suggestions for improvements, the team is receptive and implements them quickly. Review collected by and hosted on G2.com.

Not having to worry about ransomware, alert overload and reporting. Getting a clear view of my security posture, where the threats are coming from and how they are handled. They literally took care of all our problems. Review collected by and hosted on G2.com.

Nothing at the moment. We've been very pleased. Review collected by and hosted on G2.com.

Honestly, some security tools are more complicated than the threats themselves. Underdefense isn't just about catching bad stuff, they give proactive tips too. Feels like my IT department suddenly got way smarter. Review collected by and hosted on G2.com.

No Underdefense's fault entirely, but getting all our logs and stuff flowing took longer than I expected. Review collected by and hosted on G2.com.