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CyberLlama2 - MEDICALHARM Threat Modeling Assistant
2024 International Conference on Machine Learning and Applications (ICMLA)
Year: 2024 | Conference Paper |
Threat Modeling, a shift-left cybersecurity activity to build security into a software design, has become a challenge for many industries, including Modern Medical Devices. With the advancement of Large Language Models (LLM), more industries are adopting this phenomenon to understand and solve domain-specific challenges. However, thus far, little research has evaluated the effectiveness of LLM in ...Show More
Exploring Medical Device Manufacturing Domain Threat Modeling Methodologies: User Perspectives on Security, Privacy and Safety
2024 18th International Symposium on Medical Information and Communication Technology (ISMICT)
Year: 2024 | Conference Paper |
Threat Modeling is one of the key tools used to identify cyber threats and evaluate the risks of cyber threats against Modern Medical Devices (MMDs). However, there is no existing study that investigates how MMD manufacturers utilize and perceive existing threat modeling methodologies. To address this gap, we conducted a survey involving 81 participants from many MMD manufacturing companies. Our r...Show More
Efficient Group Key Management for Resilient Operation of LoRaWAN-Based Smart Grid Applications
Recent developments in low-rate wide-area wireless technologies will enable the deployment of publish–subscribe architectures that can span larger geographical areas in the smart grid. In such a setting, typically, there is a lot of data exchange due to the increased number of multicasts/broadcasts among any device. Thus, using technologies such as long range wide area network (LoRaWAN) will leave...Show More
D-LNBot: A Scalable, Cost-Free and Covert Hybrid Botnet on Bitcoin's Lightning Network
Ahmet Kurt;Enes Erdin;Kemal Akkaya;Selcuk Uluagac;Mumin Cebe
While various covert botnets were proposed in the past, they still lack complete anonymization for their servers/botmasters or suffer from slow communication between the botmaster and the bots. In this article, we first propose a new generation hybrid botnet that covertly and efficiently communicates over Bitcoin Lightning Network (LN), called LNBot. Exploiting various anonymity features of LN, we...Show More
MEDICALHARM - A Threat Modeling designed for Modern Medical Devices
2023 IEEE 22nd International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
Modern Medical Devices (MMDs) are a rapidly growing field of medical technology, and recent advances have allowed them to monitor and manage patients’ health remotely. As these devices become more connected in order to enhance the delivery of patient care, the concerns surrounding security, privacy, and safety are also increasing. To effectively address these concerns, "shift-left security"-which ...Show More
Efficient Group-Key Management for Low-bandwidth Smart Grid Networks
2021 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm)
Year: 2021 | Conference Paper |
Cited by: Papers (5)
As Smart Grid comes with new smart devices and additional data collection for improved control decisions, this puts a lot of burden on the underlying legacy communication infrastructures that may be severely limited in bandwidth. Therefore, an alternative is to consider publish-subscribe architectures for not only enabling flexible communication options but also exploiting multicasting capabilitie...Show More
Enabling Second Factor Authentication for Drones in 5G using Network Slicing
Mai A. Abdel-Malek;Kemal Akkaya;Arupjyoti Bhuyan;Mumin Cebe;Ahmed S. Ibrahim
As 5G systems are starting to be deployed and becoming part of many daily life applications, there is an increasing interest on the security of the overall system as 5G network architecture is significantly different than LTE systems. For instance, through application specific virtual network slices, one can trigger additional security measures depending on the sensitivity of the running applicati...Show More
DNP3 is one of the oldest and widely used communication protocols for smart power grid, which has been upgraded to DNP3 Secure Authentication (SA) to address the increasing security needs of power grid applications. However, in practice, such upgrade was only deployed for critical operations due to its major overhead while non-critical operations are still not protected. Nevertheless, with the ong...Show More
A Bandwidth-Efficient Secure Authentication Module for Smart Grid DNP3 Protocol
Year: 2020 | Conference Paper |
A Cost-efficient IoT Forensics Framework with Blockchain
Suat Mercan;Mumin Cebe;Ege Tekiner;Kemal Akkaya;Melissa Chang;Selcuk Uluagac
2020 IEEE International Conference on Blockchain and Cryptocurrency (ICBC)
Year: 2020 | Conference Paper |
Cited by: Papers (20)
IoT devices have been adopted widely in the last decade which enabled collection of various data from different environments. Data storage poses challenges since the data may be compromised during the storage and the integrity might be violated without being noticed. In such cases, integrity and data provenance are required in order to be able to detect the source of any incident and prove it in l...Show More
Privacy-Preserving Authentication Scheme for Connected Electric Vehicles Using Blockchain and Zero Knowledge Proofs
With the increasing interest in connected vehicles along with electrification opportunities, there is an ongoing effort to automate the charging process of electric vehicles (EVs) through their capabilities to communicate with the infrastructure and each other. However, charging EVs takes time and thus in-advance scheduling is needed. As this process is done frequently due to limited mileage per c...Show More
Assuring the Integrity of Videos from Wireless-Based IoT Devices using Blockchain
2019 IEEE 16th International Conference on Mobile Ad Hoc and Sensor Systems Workshops (MASSW)
Year: 2019 | Conference Paper |
Cited by: Papers (10)
Blockchain technology has drawn attention from various communities. The underlying consensus mechanism in Blockchain enables a myriad of applications for the integrity assurance of stored data. In this paper, we utilize Blockchain technology to verify the authenticity of a video captured by a streaming IoT device for forensic investigation purposes. The proposed approach computes the hash of video...Show More
A Replay Attack-Resistant 0-RTT Key Management Scheme for Low-Bandwidth Smart Grid Communications
2019 IEEE Global Communications Conference (GLOBECOM)
Year: 2019 | Conference Paper |
Cited by: Papers (4)
With the increasing digitization of different components of Smart Grid, there is an ongoing effort to design secure protocols and deploy them for different applications. A major need along with these efforts is to deal with key management for a large number of devices which are resource constrained and deployed within a very legacy communication environment. As the utilities rightly request to bui...Show More
A Privacy Framework for Charging Connected Electric Vehicles Using Blockchain and Zero Knowledge Proofs
2019 IEEE 44th LCN Symposium on Emerging Topics in Networking (LCN Symposium)
Year: 2019 | Conference Paper |
Cited by: Papers (13)
With the increasing interest in connected vehicles along with electrification opportunities, there is an ongoing effort to automate the charging process of electric vehicles (EVs). However, charging EVs takes time and thus in-advance scheduling is needed. This, however, raises privacy concerns since frequent scheduling will expose the charging pattern of the EV to the service providers. Neverthele...Show More
A Heuristic-Based Private Bitcoin Payment Network Formation Using Off-Chain Links
Enes Erdin;Mumin Cebe;Kemal Akkaya;Eyuphan Bulut;A. Selcuk Uluagac
2019 IEEE International Conference on Blockchain (Blockchain)
Year: 2019 | Conference Paper |
Cited by: Papers (5)
While Bitcoin dominates the market for cryptocurrencies, its use in micropayments is still a challenge due to its long transaction validation times and high fees. Recently, the concept of off-chain payments is introduced that led to the idea of establishing a payment network called Lightning Network (LN). Off-chain links provide the ability to do transactions without writing to Blockchain. However...Show More
Building a Private Bitcoin-Based Payment Network Among Electric Vehicles and Charging Stations
Enes Erdin;Mumin Cebe;Kemal Akkaya;Senay Solak;Eyuphan Bulut;Selcuk Uluagac
Mass penetration and market dominance of Electric Vehicles (EVs) are expected in the upcoming years. Due to their frequent charging needs, not only public and private charging stations are being built, but also V2V charging options are considered. This forms a charging network with various suppliers and EV customers which can communicate to schedule charging operations. While an app can be designe...Show More
Block4Forensic: An Integrated Lightweight Blockchain Framework for Forensics Applications of Connected Vehicles
Mumin Cebe;Enes Erdin;Kemal Akkaya;Hidayet Aksu;Selcuk Uluagac
Today's vehicles are becoming cyber-physical systems that not only communicate with other vehicles but also gather various information from hundreds of sensors within them. These developments help create smart and connected (e.g., self-driving) vehicles that will introduce significant information to drivers, manufacturers, insurance companies, and maintenance service providers for various applicat...Show More
Efficient Public-Key Revocation Management for Secure Smart Meter Communications Using One-Way Cryptographic Accumulators
2018 IEEE International Conference on Communications (ICC)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
Advanced Metering Infrastructure (AMI) forms a communication network for the collection of power data from smart meters in Smart Grid. As the communication within an AMI needs to be secure, public-key cryptography can be used to reduce the overhead of key management. However, it still has certain challenges in terms of certificate revocation and management. In particular, distribution and storage ...Show More
Efficient Management of Certificate Revocation Lists in Smart Grid Advanced Metering Infrastructure
2017 IEEE 14th International Conference on Mobile Ad Hoc and Sensor Systems (MASS)
Year: 2017 | Conference Paper |
Cited by: Papers (4)
Advanced Metering Infrastructure (AMI) forms a communication network for the collection of power data from smart meters in Smart Grid. As the communication within an AMI needs to be secure, key management becomes an issue due to overhead and limited resources. While using public-keys eliminate some of the overhead of key management, there is still challenges regarding certificates that store and c...Show More
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