Bosun Verified Customer Reviews (2026)

NetCrunch is commercial, self-hosted, agentless network and IT infrastructure monitoring software for Windows Server. It monitors network devices, servers, virtualization platforms, cloud services including AWS, Azure, and Google Cloud, applications, websites, logs, telemetry, and custom data using technologies such as SNMP, WMI, REST APIs, and scripts. NetCrunch supports 680+ monitoring targets and provides 270+ ready-to-use Monitoring Packs for devices, applications, and operating systems. Policy-based monitoring automatically applies monitoring settings, Monitoring Packs, thresholds, and alerts to matching devices and systems. Licensing is based on monitored nodes and network interfaces rather than individual sensors, checks, or metrics. Real-time dashboards and automatic Layer 2 and routing topology maps provide visibility into network status and performance. NetCrunch supports event correlation, dependency-aware alert suppression, predictive thresholds, escalation, and 40+ automated response actions, including script execution, notifications, webhooks, and integrations with external IT and collaboration tools. NetCrunch also provides hardware and software inventory, network device configuration backup and change tracking, bandwidth monitoring, and network traffic analysis using NetFlow, sFlow, IPFIX, and other flow technologies. Distributed Monitoring Probes extend monitoring to remote and isolated locations, while REST APIs support integration and automation with external systems. NetCrunch is self-hosted on Windows Server and can monitor on-premises, air-gapped, cloud, and hybrid IT environments.

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File Activity Monitoring on Servers – Monitor who is creating, accessing, or transferring your files and directories, while also tracking changes to file permissions. Receive immediate notifications regarding critical file operations and contain malicious actions, such as ransomware attacks and mass file deletions. Automatically mitigate risks to your Windows servers by executing PowerShell scripts, allowing you to specify precise responses for various alerts and threats. Containment strategies could include: - Disabling the user responsible for the threat - Blocking the remote IP address associated with the threat Workstation File Activity Monitoring: Keep track of who transfers files to USB drives or other external storage devices. Monitor file uploads via FTP or web browsers and prevent file creation on USB or removable media. Get email alerts whenever a removable device is connected. Active Directory Monitoring – Maintain audit records and receive immediate alerts regarding significant changes in Active Directory, eliminating the need to navigate SACLs or Windows Event Logs. Server Authentication Monitoring: Observe authentications in Citrix sessions and Windows Servers, ensuring that all unsuccessful login attempts are logged and reviewed. Workstation Logon/Logoff Monitoring: Gain insight into user logon and logoff activities at workstations, which includes tracking locks, unlocks, and password changes, thereby enhancing overall security awareness. This comprehensive approach ensures that all user activity is recorded, providing a clearer picture of network interactions.