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Engineering informed by investigation.

Our engineering perspective is informed by research across physical systems, intelligent computing and security. Explore the original work, evidence and publication records across six themes.

A SELECTED PORTFOLIO

14 research contributions 2011–2026

Academic and collaborative work by Carl Dickinson, Shishir Nagaraja and their co-authors. Each entry identifies its publication status and links to the original record, with institutional attribution retained.

01 / RESEARCH THEME

Embedded sensing & distributed systems

Evidence from connected testbeds and measured energy use informs the design of dependable sensing systems.

Published conference paper

ACM TAS ’23 · 2023

AGRITRUST: A Testbed to Enable Trustworthy Smart AgriTech

Carl Dickinson, Chuadhry Mujeeb Ahmed, Shishir Nagaraja, Richard Hyde

A connected agricultural testbed brings sensing, communication and data trust into the same engineering context.

First International Symposium on Trustworthy Autonomous Systems, article 22, pp. 1–13. Published 11 July 2023. Academic author and institutional attribution is retained in the linked original paper and repository record.

Published workshop paper

IEEE DCOSS-IoT / LS-NoT · 2026

Energy-Aware LoRaWAN Design for Long-Lived Agricultural Sensing: Insights from a Multi-Year Deployment and Controlled Platform Comparison

Carl Dickinson, Shishir Nagaraja, Chuadhry Mujeeb Ahmed

Long-running agricultural sensing informed a controlled comparison of LoRaWAN communication energy and whole-node power budgets.

IEEE DCOSS-IoT 2026, LS-NoT workshop, pp. 792–799, 22–24 June 2026. DOI: 10.1109/DCOSS-IoT69657.2026.00122. The linked author version retains the original institutional affiliations.

02 / RESEARCH THEME

AI, perception & adversarial learning

Learning systems need evaluation that considers deployment constraints, uncertainty and deliberate interference.

Published conference paper

BMVC · 2025

Advancing Utility Pole and Sign Detection Through Deep Learning

Carl Dickinson, Gaetano Di Caterina

Detection, segmentation and image-based pole-lean estimation support the interpretation of infrastructure imagery.

36th British Machine Vision Conference, BMVA, 12 pages. Published 24 November 2025. University of Strathclyde research.

Published journal survey

ACM Computing Surveys · 2016

On the security of machine learning in malware C&C detection: a survey

Joseph Gardiner, Shishir Nagaraja

A survey examines machine-learning approaches to malware command-and-control detection and their exposure to adversarial evasion.

Volume 49, issue 3, article 59, 38 pages. Published 2016. Author and institutional attribution is retained in the original article and repository record.

Preprint

arXiv:2607.20280 · 2026

Chained Attacks on Drone-Based Federated Learning: From Network Disruption to Device Impersonation

Suleiman Muhammad Sabo, Hamed Alkharsh, Peilin Li, Chuadhry Mujeeb Ahmed, Aydin Abadi, Shishir Nagaraja, Rajiv Ranjan

A study of how network disruption and weak authentication combine to undermine collaborative learning systems.

Author preprint, 22 July 2026. School of Computing, Newcastle University. No later peer-reviewed publication was verified for this selection.

03 / RESEARCH THEME

Industrial & cyber-physical security

Security analysis becomes more useful when it accounts for control behaviour and the physical process.

Published conference paper

IEEE COINS · 2023

SWaP: A Water Process Testbed for ICS Security Research

Matthew Calder, Mujeeb Ahmed, Shishir Nagaraja

A water-process testbed connects control equipment, sensors and actuators to practical industrial-security evaluation.

IEEE International Conference on Omni-layer Intelligent Systems. Published 23 July 2023. Academic research documented by the University of Strathclyde; full affiliations appear in the original paper.

Published workshop paper

ACM CPSIoTSec ’21 · 2021

Controller-in-the-Middle: Attacks on Software Defined Networks in Industrial Control Systems

Joseph Gardiner, Adam Eiffert, Peter Garraghan, Nicholas Race, Shishir Nagaraja, Awais Rashid

Compromised network control can disrupt industrial timing and interfere with the behaviour of physical processes.

CPSIoTSec 2021, pp. 63–68, published 15 November 2021. University of Bristol, Lancaster University and University of Strathclyde. Author order follows the manuscript’s ACM reference format.

Preprint

arXiv:2409.16536 · 2024

Time Constant: Actuator Fingerprinting using Transient Response of Device and Process in ICS

Chuadhry Mujeeb Ahmed, Matthew Calder, Sean Gunawan, Jay Prakash, Shishir Nagaraja, Jianying Zhou

Transient responses link the identity of an actuator to the behaviour of the physical process it influences.

Author preprint submitted 25 September 2024. DOI: 10.48550/arXiv.2409.16536. Original affiliations appear in the linked manuscript.

04 / RESEARCH THEME

Robotic behaviour & verification

Independent observations and communication traces provide different views of what a robot is doing.

Published workshop paper

IEEE TPS-ISA / SR-CIST · 2025

WaveVerif: Acoustic Side-Channel Based Verification of Robotic Workflows

Zeynep Yasemin Erdogan, Shishir Nagaraja, Chuadhry Mujeeb Ahmed, Ryan Shah

Acoustic emissions provide a passive signal for checking whether observed robot movements match intended workflows.

2025 IEEE 7th International Conference on Trust, Privacy and Security in Intelligent Systems, and Applications (TPS-ISA), SR-CIST workshop, pp. 489–499. IEEE publication metadata dated 12 November 2025. DOI: 10.1109/TPS-ISA67132.2025.00059. Newcastle University and Sapphire.

Published poster paper

ACM WiSec · 2022

POSTER: Can You Still See Me?: Identifying Robot Operations Over End-to-End Encrypted Channels

Ryan Shah, Chuadhry Mujeeb Ahmed, Shishir Nagaraja

Traffic analysis investigates whether encrypted communication still exposes information about robotic movements.

Proceedings of the 15th ACM Conference on Security and Privacy in Wireless and Mobile Networks, pp. 298–300. Published 16 May 2022. University of Strathclyde. This three-page poster is distinct from the longer “Reconstructing Robot Operations” preprint.

05 / RESEARCH THEME

Device identity & physical fingerprints

Physical characteristics create opportunities to investigate identity beyond software identifiers.

Published journal article

ACM Digital Threats: Research and Practice · 2023

Sensor Identification via Acoustic Physically Unclonable Function

Girish Vaidya, T. V. Prabhakar, Nithish Gnani, Ryan Shah, Shishir Nagaraja

Acoustic fingerprints investigate device identity through physical characteristics rather than software credentials alone.

Volume 4, issue 2, article 20, 2023; first published online 15 March 2022. Full author and institutional attribution appears in the linked published article.

06 / RESEARCH THEME

Network privacy & security interactions

Privacy and security mechanisms need to be understood in their wider system context.

Published conference paper

ACM WiSec · 2021

VoIPLoc: passive VoIP call provenance via acoustic side-channels

Shishir Nagaraja, Ryan Shah

Acoustic characteristics within received speech reveal a privacy question that transport encryption alone does not resolve.

Proceedings of the 14th ACM Conference on Security and Privacy in Wireless and Mobile Networks, pp. 323–334. Published 21 June 2021. University of Strathclyde research.

Published conference paper

Information Hiding / Springer LNCS · 2011

Stegobot: A Covert Social Network Botnet

Shishir Nagaraja, Amir Houmansadr, Pratch Piyawongwisal, Vijit Singh, Pragya Agarwal, Nikita Borisov

Research into covert communication examines how social-network interactions can conceal malicious coordination.

Information Hiding, 13th International Conference, IH 2011, Revised Selected Papers. Lecture Notes in Computer Science, volume 6958, pp. 299–313. Published 2011. Full affiliations appear in the original chapter.

Conference programme contribution

MobiSec · 2025

Friendly-fire: Measurement and Analysis of the Interaction Dynamics Between Anti-Malware and PETs

Carl Dickinson, Amin Sahebi, Shishir Nagaraja, Chuadhry Mujeeb Ahmed

An investigation of interactions between anti-malware software and privacy-enhancing technologies.

MobiSec 2025 programme, 18 December 2025. Newcastle University and CAME Entrotec Ltd.

Explore the original research.

Titles, authors and publication details are provided for attribution and discovery. The linked papers contain the original methods, affiliations, results and limitations. Copyright remains with the respective authors or publishers; full texts are not reproduced here.

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