We contacted CircleCI support and they clarified their blog post statement with the following info: "Thank you for contacting CircleCI Support. This does also

We contacted CircleCI support and they clarified their blog post statement with the following info: "Thank you for contacting CircleCI Support. This does also apply to SSH Keys, as such we do recommend to rotate SSH Keys as well as to take extra caution. If you have any other concerns please reach out."