Process Hacker (recently renamed to System Informer) is a free, open-source, and highly powerful advanced task manager and system monitor for Windows. It gives IT professionals, cybersecurity analysts, and power users a deep look under the hood of their operating system.
Because it offers direct manipulation of system memory and processes, some security suites classify it as “RiskWare”, meaning it is a legitimate tool that can be dangerous if used maliciously.
Watch this detailed walkthrough on how security professionals use the tool to hunt for system intrusions:
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