It looks like he made multiple sock puppet accounts talking to himself on the mailing lists: https://boehs.org/node/everything-i-know-about-the-xz-backdoor http

It looks like he made multiple sock puppet accounts talking to himself on the mailing lists: https://boehs.org/node/everything-i-know-about-the-xz-backdoor https://boehs.org/node/everything-i-know-about-the-xz-backdo... He made a sock puppet asking debian to update the package in 'unstable'. (along with other package update requests so it wouldn't look suspicious).