Hottest cybersecurity open-source tools of the month: May 2026

Help Net Security has released its May 2026 curated list of notable open-source cybersecurity tools, featuring Pipelock, an open-source AI agent firewall developed by Joshua Waldrep. The tool addresses critical security risks in AI coding agents, which often operate with shell access and API keys, creating a single point of failure that can leak credentials if compromised.

Presented here is a curated selection of noteworthy open-source cybersecurity solutions that have drawn recognition for their ability to enhance security postures across diverse settings. Pipelock: Open-source AI agent firewall AI coding agents run with shell access, environment variables containing API keys, and unrestricted internet connectivity, creating a single point of failure where one compromised tool call can leak credentials to an attacker-controlled domain. Pipelock, an open-source security harness developed by Joshua Waldrep under the … More https://www.helpnetsecurity.com/2026/05/28/hottest-cybersecurity-open-source-tools-of-the-month-may-2026/ The post Hottest cybersecurity open-source tools of the month: May 2026 https://www.helpnetsecurity.com/2026/05/28/hottest-cybersecurity-open-source-tools-of-the-month-may-2026/ appeared first on Help Net Security https://www.helpnetsecurity.com .