SROS2 (ROS 2 security)
Open-source tools for enabling security in ROS 2, the Robot Operating System, built on the DDS-Security standard.
- Category
- Open-source security tooling
- Website
- github.com/ros2/sros2
- Last verified
- October 4, 2026
What is SROS2 (ROS 2 security)?
SROS2 is a set of open-source tools that make it easier to turn on security in ROS 2, the widely used Robot Operating System. It builds on the DDS-Security specification to provide authentication, encryption and access control for robot communications.
Key capabilities
- Key and certificate generation for ROS 2 nodes.
- Encrypted and authenticated communication between robot software components.
- Access-control policies for which nodes can publish or subscribe.
Why it matters for humanoid robot security
Many robots, including research and commercial humanoids, are built on ROS 2. Security in ROS 2 is off by default, so SROS2 is the starting point for teams that want encrypted, authenticated robot messaging. Researchers have also shown that secure configurations need careful review.
Where it fits in a humanoid robot security program
SROS2 secures the communication layer of robots built on ROS 2, the most widely used open-source robotics framework. It adds authentication, encryption and access control to the messages that move between a robot's software components. For any humanoid built on ROS 2, enabling and correctly configuring it is a baseline step, since security is off by default.
Who it is for
- Engineering teams building robots on ROS 2
- Researchers and startups that need free, open-source security tooling
- Security reviewers auditing ROS 2 based robots
Questions to ask SROS2 (ROS 2 security)
- Which ROS 2 distributions and DDS implementations are supported?
- How are keys and certificates generated, stored and rotated on each robot?
- What is the performance cost of enabling encryption on high-rate topics?
- Who maintains the project and how are security issues reported?
Related on Humanoid Threats
Sources
- SROS2 on GitHub
- ROS 2 documentation: Setting up security
- SROS2: Usable Cyber Security Tools for ROS 2 (arXiv)
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