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by zigara 2622 days ago
The attacker seems to have responded:

https://github.com/matrix-org/matrix.org/issues/357 edit: just saw the rest: https://github.com/matrix-org/matrix.org/issues?utf8=%E2%9C%...

"[SECURITY] SSH Agent Forwarding

I noticed in your blog post that you were talking about doing a postmortem and steps you need to take. As someone who is intimately familiar with your entire infrastructure, I thought I could help you out.

Complete compromise could have been avoided if developers were prohibited from using ForwardAgent yes or not using -A in their SSH commands. The flaws with agent forwarding are well documented."