Open-source software enables code review and reuse, but known vulnerabilities and unmaintained dependencies can create cybersecurity risks.
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Background for this topic.
Open source is software whose source code is available under a license that permits use, inspection, modification, and redistribution. It may be developed by a community, an organization, or a small group of maintainers; “open” does not guarantee that the code is actively reviewed, supported, or secure.
For security teams, the main concerns are vulnerabilities in dependencies and the software supply chain: a maintainer account, release process, or package can be compromised, while an unmaintained component may retain known flaws. Public code can enable review and faster fixes, but visibility alone is not a control. Maintain an inventory or SBOM of open-source components, pin and verify versions or signatures where possible, monitor vulnerability advisories, and apply updates through a controlled process.
Weigh the Options for Open-Source and Vendor-Backed Solutions and Try Them OutOpen-source tools can be powerful, flexible and budget-friendly, but they are not always the right choice. Understanding their strengths, weaknesses and best use cases will help you decide when to use them and when to consider a commercial alternative.
The Electronic Frontier Foundation (EFF) has released a free, open-source tool named Rayhunter that is designed to detect cell-site simulators (CSS), also known as IMSI catchers or Stingrays. [...]
Cybersecurity researchers are calling attention to a new phishing campaign that employs the ClickFix technique to deliver an open-source command-and-control (C2) framework called Havoc