Introducing Falco: Open source, behavioral security from Sysdig

Falco is an open-source behavioral security monitoring tool released by Sysdig, designed to provide real-time notification of suspicious activities within container environments by analyzing system calls. Unlike traditional signature-based security systems, Falco focuses on detecting anomalous behaviors that occur after an attacker gains access to a system, rather than cataloging potential threats. By monitoring system calls, Falco can efficiently track host activities such as file integrity, process execution, and network connections, offering a simpler and more intuitive alternative to complex security configurations like SELinux and AppArmor. Falco operates as a long-running server agent, easily deployable as a container or host package, and integrates seamlessly with existing monitoring systems by adhering to the Unix philosophy of doing one thing well. Its flexible rule-based system allows users to express security concerns through simple filters, and its ability to back-test rules using historical data facilitates efficient rule development and testing. Falco aims to fill a niche in the market by being lightweight, easy to configure, and effective in containerized environments, with a focus on encouraging community contributions for evolving threat detection capabilities.

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