This is a post from Robin Sloan’s lab blog & notebook. You can visit the blog’s homepage, or learn more about me.

Cosleuth

March 26, 2026

This is a gen­uinely inter­esting document: the Claude chat transcript under­pin­ning a soft­ware devel­oper’s recent dis­covery of a very serious mal­ware attack.

It’s inter­esting to notice that, even as these tools become ubiquitous, it’s rel­a­tively rare to read through someone else’s inter­ac­tions at length.

A couple of stray thoughts:

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