activity
20202024
most citedEasing the Conscience with OPC UA: An Internet-Wide Study on Insecure Deployments

48 citations · 168 across the 11 of their papers we have counts for

collaborators

11 papers

cs.CR2024★ 20 cited

An Interdisciplinary Survey on Information Flows in Supply Chains

Jan Pennekamp, Roman Matzutt, Christopher Klinkmüller +12

Supply chains form the backbone of modern economies and therefore require reliable information flows. In practice, however, supply chains face severe technical challenges, especial…

cs.CR2023

Poster: Accountable Processing of Reported Street Problems

Roman Matzutt, Jan Pennekamp, Klaus Wehrle

Municipalities increasingly depend on citizens to file digital reports about issues such as potholes or illegal trash dumps to improve their response time. However, the responsible…

cs.NI2023

Evolving the Digital Industrial Infrastructure for Production: Steps Taken and the Road Ahead

Jan Pennekamp, Anastasiia Belova, Thomas Bergs +16

The Internet of Production (IoP) leverages concepts such as digital shadows, data lakes, and a World Wide Lab (WWL) to advance today's production. Consequently, it requires a techn…

cs.CR2022★ 43 cited

Missed Opportunities: Measuring the Untapped TLS Support in the Industrial Internet of Things

Markus Dahlmanns, Johannes Lohmöller, Jan Pennekamp +3

The ongoing trend to move industrial appliances from previously isolated networks to the Internet requires fundamental changes in security to uphold secure and safe operation. Cons…

cs.CR2022★ 7 cited

Scalable and Privacy-Focused Company-Centric Supply Chain Management

Eric Wagner, Roman Matzutt, Jan Pennekamp +4

Blockchain technology promises to overcome trust and privacy concerns inherent to centralized information sharing. However, current decentralized supply chain management systems do…

cs.CR2021★ 6 cited

Collaboration is not Evil: A Systematic Look at Security Research for Industrial Use

Jan Pennekamp, Erik Buchholz, Markus Dahlmanns +6

Following the recent Internet of Things-induced trends on digitization in general, industrial applications will further evolve as well. With a focus on the domains of manufacturing…

cs.CR2021★ 27 cited

CoinPrune: Shrinking Bitcoin's Blockchain Retrospectively

Roman Matzutt, Benedikt Kalde, Jan Pennekamp +3

Popular cryptocurrencies continue to face serious scalability issues due to their ever-growing blockchains. Thus, modern blockchain designs began to prune old blocks and rely on re…

cs.CR2020★ 48 cited

Easing the Conscience with OPC UA: An Internet-Wide Study on Insecure Deployments

Markus Dahlmanns, Johannes Lohmöller, Ina Berenice Fink +3

Due to increasing digitalization, formerly isolated industrial networks, e.g., for factory and process automation, move closer and closer to the Internet, mandating secure communic…

cs.CR2020★ 5 cited

Utilizing Public Blockchains for the Sybil-Resistant Bootstrapping of Distributed Anonymity Services

Roman Matzutt, Jan Pennekamp, Erik Buchholz +1

Distributed anonymity services, such as onion routing networks or cryptocurrency tumblers, promise privacy protection without trusted third parties. While the security of these ser…

cs.CR2020★ 2 cited

How to Securely Prune Bitcoin's Blockchain

Roman Matzutt, Benedikt Kalde, Jan Pennekamp +3

Bitcoin was the first successful decentralized cryptocurrency and remains the most popular of its kind to this day. Despite the benefits of its blockchain, Bitcoin still faces seri…

cs.CR2020★ 10 cited

Assessing the Security of OPC UA Deployments

Linus Roepert, Markus Dahlmanns, Ina Berenice Fink +2

To address the increasing security demands of industrial deployments, OPC UA is one of the first industrial protocols explicitly designed with security in mind. However, deploying…