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Nessus Network Monitor Evaluation

Try Nessus Network Monitor Free for 30 Days

Nessus Network Monitor (formerly Passive Vulnerability Scanner® or PVS™) passively analyzes network traffic to provide continuous visibility into managed and unmanaged assets on the network, including IT, Operational Technology and IoT assets. Nessus Network Monitor includes capabilities for asset discovery and vulnerability identification on critical infrastructure and embedded systems, such as ICS and SCADA systems, which require a non-intrusive approach to vulnerability management.

Nessus Network Monitor provides coverage for operational technologies in a variety of safety-critical infrastructure industries, including oil and gas, energy, utilities, public infrastructure, manufacturing and medical/healthcare. Supported protocols include Bacnet, CIP, DNP3, Ethernet/IP, Modbus/TCP, Siemens S7, ICCP, IEC 60870-5-104, IEEE C37.118, OpenSCADA and more.

Nessus Network Monitor
Continuously monitor and discover unlimited IPs
Asset detection including BYOD/mobile, virtual and cloud-based systems
Vulnerability identification in devices, OS and applications
Discover and monitor systems unavailable to active scans
Provide continuous asset discovery and vulnerability detection without the need for credentials
Inappropriate use and “insider threats” discovery
Pinpoint rogue assets and systems automatically
Internal systems port scanning other systems
Track all client and server application vulnerabilities
Identify when an application is compromised or subverted
Detect protocols and applications used on communicating systems
Packet-level analysis with patented technology
Standalone version for targeted monitoring and assessment
Scan IPv4, IPv6 and mixed networks

System Requirements

  • CPU: 1 x dual-core 2 GHz CPU (32 or 64 bit)
  • Memory: 2 GB RAM (4 GB RAM recommended)
  • OS: Windows, Red Hat ES 5, Red Hat ES 6, Red Hat ES 7, Mac
  • Hard Drive: 20 GB HDD


Please register to evaluate Nessus Network Monitor. An activation code will be emailed to the address you provide.