Aldo Cortesi is a coder, security consultant, and the founder and CEO of Nullcube, a security consultancy firm. His interests include Python language, OpenBSD, Design Patterns, Firewall, Virtual Private Networks, penetration testing, and more. Cortesi’s projects portfolio includes mitmproxy: an SSL-capable man-in-the-middle proxy for pen testers. and web developers; binvis.io: a web-based tool for visualizing and exploring binary files; pathod: pathological tools for torturing HTTP clients and servers; qtile: a hackable window manager written in Python; and more.. Aldo Cortesi lives in Dunedin, New Zealand.