The best network monitoring tools of 2025 in full: Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best.

Cisco Systems said Thursday that it plans to acquire network monitoring company ThousandEyes. The San Jose, Calif.-based tech giant will acquire its San Francisco-based neighbor, ThousandEyes.

The best network monitoring tools include Zabbix, Datadog, and Cacti. Compare features, pricing, and supported platforms among our top picks.

Cisco is warning about a critical remote code execution (RCE) vulnerability in the RADIUS subsystem of its Secure Firewall ...