Passively analyzes network traffic to provide continuous visibility into managed and unmanaged assets on your networks
From IT to OT, Nessus Network Monitor (formerly Passive Vulnerability Scanner® or PVS™) illuminates blind spots so you can see and protect your entire environment. The product provides a safe and non-intrusive way to discover and monitor even the most sensitive systems.
Eliminates Critical Blind Spots
Provides deep packet inspection to continuously discover and track users, applications, cloud infrastructure, trust relationships and vulnerabilities.
Automatically discovers users, infrastructure and vulnerabilities across more technologies than any other vendor, including operating systems, network devices, hypervisors, databases, tablets, phones, web servers, cloud applications and critical infrastructure.
Eliminate blind spots left by periodic scanning
Discover all hardware, services and web applications on the network
Immediate Vulnerability Detection
Identify vulnerable assets as soon as they connect to your network
Suspicious Traffic Identification
Detect suspicious traffic and connections
See How Nessus Network Monitor Non-Obtrusively Monitors Sensitive Medical Devices to Improve Network Visibility for a Fast-Growing Integrated Healthcare System
"Nessus Network Monitor is a valuable component because of our medical devices. You cannot actively scan those devices – a scan can affect the timing of the device or its sensitive processes. But Nessus Network Monitor gives us the ability to see that network traffic and scan passively to detect and track the devices."- Bob Wilson, Information Security Officer, Covenant Health