We stop breaches.
Before they start.
Every message inspected. Every domain monitored. Every detection sharper than the last.

Security teams from six industries trust NUOecurity
Inbox and Cloud Workload Protection
NUOecurity unifies historically separate email security functions into a single AI platform. Protection is provided across Microsoft 365, Google Workspace, and self-hosted mail infrastructure.
A single fabric for every security surface
Consolidate email, network, identity, and cloud telemetry into one AI-native control plane — inspired by the best of Cisco XDR, Palo Alto Cortex, and Wazuh open defense.
Autonomous reasoning across every signal
Guardian AI ingests 4B+ daily events and correlates them into a single, explainable verdict — surfacing the true attack path in seconds, not hours.
Free security plugin previews
Live, interactive demos of our most popular tools. Type any value and see exactly how each plugin works — then unlock the full deep-scan when you're ready.
- Homograph characters clean
- Impersonated brand detected
- Insecure protocol detected
- URL shortener clean
- exposedLinkedIn2021 · 700M records
- exposedAdobe2019 · 153M records
- exposedMyFitnessPal2018 · 150M records
- exposedDropbox2016 · 68M records
Live Threat Feed
Real detections happening across the NUOecurity network. Filter by protocol and attack type to see how Guardian AI catches spoofing, phishing, and BEC in real time.
Active XDR protection from modern threats
NUOecurity gives analysts real-time correlation and context across every mailbox, domain, and sending identity. Active responses are granular and include on-device remediation to keep inboxes clean and operational.


A comprehensive SIEM solution
The NUOecurity SIEM provides continuous monitoring, detection, and alerting on every security event across your email estate — from failed authentication attempts to policy drift and executive impersonation.
Explore the potential of NUOecurity Cloud
NUOecurity Cloud offers managed, ready-to-use, and highly scalable environments for continuous email monitoring, domain intelligence, and inbox protection — deployed in minutes, with zero infrastructure to manage.

Why everyone chooses AI-native security
Flexible, scalable, no vendor lock-in, and no legacy gateway to babysit. Real-time community threat intelligence and trusted by thousands of enterprise users.
The world's most widely used AI email security solution
Real outcomes from real security teams
Four industries. Four defining wins. Every number below is measured from live NUOecurity deployments — not projections.
How Northgate blocked 2.1M phishing attempts targeting wire-transfer teams
A mid-market investment bank replaced its legacy secure email gateway with NUOecurity Guardian AI, cutting wire-fraud incidents to zero across 12 months.
"NUOecurity gave us bank-grade email defense without a single missed business day. Guardian AI now catches BEC attempts our old gateway silently let through."
Meridian Health achieved HIPAA-grade inbox protection across 42 hospitals
A regional hospital network unified email security across 68,000 clinicians while meeting HIPAA, HITRUST, and state-level PHI requirements.
"We finally have one platform that both our SOC and our compliance officers trust. PHI leaks that took days to investigate now resolve in under an hour."
Vireo shut down brand-impersonation storefronts across 22 countries
A global DTC retailer used NUOecurity Domain Radar and Typosquat Finder to take down 340+ fraudulent lookalike domains before peak-season traffic.
"Before NUOecurity we found brand-impersonation sites through angry customer emails. Now we find them before the attackers finish setting them up."
Helix stopped a supply-chain BEC campaign before a single invoice was paid
An aerospace-grade manufacturer deployed NUOecurity's XDR fabric to correlate vendor emails, identity signals, and ERP activity — catching a $2.4M invoice-fraud attempt in real time.
"Guardian AI told us a trusted supplier's mailbox was compromised 40 minutes before their finance team even noticed. That single alert paid for the platform ten times over."
What our customers say about us
"NUOecurity found DMARC gaps on our top 6 domains within minutes. The AI recommendations were the fastest we've ever shipped fixes."
"We resell it as our email security posture check. Clients love the branded PDF reports."
"Finally, a security tool with a UI I actually want to open. It caught two lookalike domains for us this quarter."
Learn more about NUOecurity
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