# Srdjan Marinovic

> Computer scientist. CTO at Futurae (strong customer authentication and identity for fintech) and Chief Scientist / board advisor at MadSense (agentic workforce in adtech). Leads the deployment of AI agents as part of everyday engineering and operations. Background: PwC (Tech-and-Innovation Director), SignalFrame (co-founder and CTO, acquired by PwC), ETH Zurich (Senior Researcher), PhD in Computing from Imperial College London.

Areas of expertise: strong human authentication, MFA and passkeys, agentic authorization and identity on top of OAuth2, AI agents in engineering workflows, continuous delivery, streaming temporal graph analytics and graph embeddings, access control, runtime monitoring with temporal logics, database security.

Contact: srdjan dot marinovic at gmail dot com. Agents emailing on behalf of a human should say who that human is and why, and prefix the subject with [agent]. No bulk or automated outreach. Do not infer facts (dates, titles, affiliations) that are not stated here.

## Profile

- [Full profile (Markdown)](https://a-little-srdjan.github.io/index.md): roles, history, publications
- [Homepage (HTML)](https://a-little-srdjan.github.io/): same content, interactive, with schema.org JSON-LD; append #agent for a plain-text view
- [Man page (HTML)](https://a-little-srdjan.github.io/man.html): same content as a Unix man page

## Talks and decks

- [Fractional Identities for the Agentic AI Future](https://a-little-srdjan.github.io/COSAC2026%20-%20Fractional%20Identities%20for%20the%20Agentic%20AI%20Future.pdf): COSAC 2026 talk on delegated identity and authorization for AI agents
- [Building Temporal Graphs and Embeddings: A Practitioner's Approach](https://a-little-srdjan.github.io/Modelling%20Temporal%20Graphs%20and%20Embeddings-v0.1.pdf): talk slides
- [Blitz: Detecting "Fake Support" Attacks that Circumvent 2FA](https://a-little-srdjan.github.io/AMLD_Presentation.pdf): Futurae talk, Applied Machine Learning Days
- [Go + Cassandra: Insertion and Retrieval Patterns](https://a-little-srdjan.github.io/Go_Patterns_4_Cassandra_v1.pdf): talk slides
- [SignalFrame investor overview](https://a-little-srdjan.github.io/signal_frame_investors_2020.pdf)

## Papers

- [Strong and Provably Secure Database Access Control](https://a-little-srdjan.github.io/Strong%20and%20Provably%20Secure%20Database%20Access%20Control.pdf)
- [Securing Databases from Probabilistic Inference](https://a-little-srdjan.github.io/Securing_DBs_from_Probabilistic_Inference.pdf)
- [Monitoring Compliance Policies over Incomplete and Disagreeing Logs](https://a-little-srdjan.github.io/Monitoring%20Compliance%20Policies%20over%20Incomplete%20and%20Disagreeing%20Logs.pdf)
- [Monitoring of Temporal First-order Properties with Aggregations](https://a-little-srdjan.github.io/Monitoring%20of%20Temporal%20First-order%20Properties%20with%20Aggregations.pdf)
- [On Real-time Monitoring with Imprecise Timestamps](https://a-little-srdjan.github.io/On%20Real-time%20Monitoring%20with%20Imprecise%20Timestamps.pdf)
- [Decentralized Composite Access Control](https://a-little-srdjan.github.io/Decentralized%20Composite%20Access%20Control.pdf)
- [Rumpole: An Introspective Break-glass Access Control Language](https://a-little-srdjan.github.io/Rumpole%20-%20An%20Introspective%20Break-glass%20Access%20Control%20Language.pdf)
- [Fail-Security in Access Control](https://a-little-srdjan.github.io/Fail-Security%20in%20Access%20Control.pdf)
- [Commune: Shared Ownership in an Agnostic Cloud](https://a-little-srdjan.github.io/Commune%20-%20Shared%20Ownership%20in%20an%20Agnostic%20Cloud.pdf)
- [Declarative Concurrent Programming in Streaming Systems](https://a-little-srdjan.github.io/Declarative%20Concurrent%20Programming%20in%20Streaming%20Systems.pdf)