Lilly Ryan (@attacus_au) is a pen tester, Python wrangler, and recovering historian from Melbourne, Australia. She has haunted many countries with her talks about ethical software, social identities after death, teamwork, and the telegraph. More recently she has researched the domestic use of arsenic in Victorian England, baked gingerbread, chained some vulns, wielded the Oxford comma, and knitted a pair of glitchy socks.