Systems Structure Ltd.

Systems Structure Ltd. provides security architecture and strategy consulting services.  You can find our principal consultant, Eleanor Saitta, as @dymaxion on Twitter, on Patreon, and as ella at structures dot systems.  Her PGP key is here.

Consulting Services and Major Projects:

  • Consulting Services

    We help software, media, healthcare, finance, industrial automation, and NGO teams with security and privacy strategy, security architecture, product security design, threat modeling, engineering process change, and operational security reviews

  • Training

    We train teams in threat modeling, product security design, and operational security strategy

  • Public Speaking

    Our consultants are available to speak on a wide variety of topics, including security strategy and architecture, threat modeling, interaction​/​speculative​/​urban design, systems failures and futures, infrastructure politics, and human rights and digital culture

  • Trike

    A formal threat modeling methodology and application

  • Briar/Bramble

    A secure messaging application and a decentralized, delay-tolerant, transport-agnostic RPC framework

About Eleanor Saitta:


  • Mailing Address:
    9 E. 8th #320
    New York, NY 10003