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UnderDefense

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56 reviews
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Average star rating
4.9
Serving customers since
2017
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UnderDefense MAXI

56 reviews

UnderDefense is an Agentic AI SOC & Compliance Automation platform trusted by 200+ enterprises in the US and EU. It works on top of the security stack you already own — no rip-and-replace, no added headcount — so your team spends its time on decisions, not triage. ◆ 10+ years of operations with zero ransomware incidents ◆ 250+ integrations across any SIEM, EDR, or cloud stack ◆ 24/7 IR team available whenever you need urgent support WHAT WE OFFER AGENTIC AI SOC UnderDefense Agentic AI SOC works on top of your existing security stack, turning every security team into a machine-speed defense unit without tool replacement or headcount expansion. It takes over the investigative routine that pulls your team away from strategic decisions: enrichment, correlation, triage. ▸ Investigation at Machine Speed: Agentic AI SOC accesses tools, enriches data, and performs deep cross-environment investigations at machine speed. It correlates, triages, and forms conclusions, offloading all repetitive work from your team. ▸ 2 Minutes Per Alert: Complete SIEM queries, threat intel checks, and cross-system correlations in 2 minutes. Every step fully observable and auditable. ▸ Human at Every Decision Point: The platform verifies suspicious activity with end-users via Slack or Teams, then routes containment decisions to your team or our 24/7 IR experts. COMPLIANCE AUTOMATION Stop chasing spreadsheets. UnderDefense MAXI Compliance AI automatically collects continuous evidence across ISO 27001, SOC 2, PCI DSS, GDPR, and HIPAA, and publishes your live posture through a shareable Trust Center link. ▸ 40% audit-ready in the first 40 minutes ▸ 2X faster time-to-compliance vs. traditional audit ▸ 24/7 continuous monitoring — posture always current, not point-in-time WHY WE ARE BETTER ✓ No rip-and-replace: Works with your current SIEM (Splunk, Sentinel, Chronicle, QRadar, Elastic), EDR, and cloud tools. Logs stay in your data lake. ✓ True Multi-Environment Coverage: Comprehensive visibility across on-premises, cloud (AWS, GCP, Azure), SaaS, network, identity, and OT/SCADA environments. ✓ The Only Agentic AI SOC with on-prem deployment: Full AI SOC inside your own infrastructure. No telemetry leaving your environment. Air-gapped available. ✓ Right-Sized for Any Enterprise: Detection engineering and support tailored to your organization, not a one-size-fits-all template. Start your free trial at underdefense.com

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UnderDefense Reviews

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Volkovynska V.
VV
Volkovynska V.
Head of Client Services at Semantrum
09/18/2026
Validated Reviewer
Review source: Organic

Our own systems finally get the same attention we give everyone else's reputation

Our own infrastructure runs the same way our monitoring does, constantly. We're pulling data from a lot of external sources and holding API access into several platforms, and none of that was getting watched with the same attention we give to threats we track for clients. UnderDefense covers that gap now. It's a bit of a double standard otherwise, we tell clients 24/7 detection is the baseline, so it has to be true for us too.
Anastasiya T.
AT
Anastasiya T.
Powering Business Growth Through Innovation | Cloud-Native Architecture | Dedicated Engineering Teams | MVP to Scale | AI-Driven Custom Software | Full-Cycle Product Development
09/15/2026
Validated Reviewer
Verified Current User
Review source: Organic

Security coverage that matches our client access model, with automated investigation

We've built a 5-star reputation over eight years. The fastest way to lose it is a security incident during a client engagement, especially during a vendor transition when we already have elevated access to systems that aren't ours yet. That risk had no good answer for a long time. Now it does. UnderDefense Agentic AI SOC picks up an alert within 2 minutes, correlates events across our environments, builds the timeline, and by the time it escalates to us the investigation is already done. We're reviewing a conclusion with visible reasoning, not starting from a log dump at the wrong moment in a client engagement. Constant noise became a handful of validated findings a week.
Taras T.
TT
Taras T.
09/11/2026
Validated Reviewer
Verified Current User
Review source: Organic

Securing Our SaaS Supply Chain and Infrastructure Without Building an In-House SOC

It solves two massive headaches for us. First, our widget runs directly on client websites, meaning any issue in our deployment pipeline could instantly spread across every single site using it—and we had zero continuous visibility over that supply chain before. Second, 24/7 monitoring across our own backend was just impossible for a team our size to staff.<br><br>UnderDefense completely covers both gaps. The biggest win for us is that we no longer rely on someone manually spotting a bug or breach, and whenever an alert does hit our queue, it comes with full context so we never have to investigate completely cold.

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What is UnderDefense?

UnderDefense is an Agentic AI SOC and Compliance Automation platform trusted by 200+ enterprises across the US and EU. It works on top of the security stack you already own — SIEM, EDR, cloud, identity — with no tool replacement and no headcount expansion. AI agents handle alert enrichment, cross-environment correlation, and threat investigation at machine speed; the 24/7 IR team takes over for critical escalations and complex cases. 250+ integrations, 96% MITRE ATT&CK coverage, zero ransomware incidents across 10 years of operation. Proven across technology, healthcare, financial services, and manufacturing. For more information, visit underdefense.com.

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Year Founded
2017