Eva Papadogiannaki

PCIe Monitoring for Secure Code Execution in Heterogeneous System Architectures

Iasonas Georgakas, Eva Papadogiannaki, Κωνσταντίνος Γεωργόπουλος, Sotiris Ioannidis

Heterogeneous architectures, such as GPUs, and FPGAs, are now widely used in data centers to handle demanding computational tasks. However, their growing adoption introduces new attack surfaces. For example, a malicious user could exploit a GPU by running unauthorized workloads –such as …

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Fingerprinting the Shadows: Unmasking Malicious Servers with Machine Learning-Powered TLS Analysis

Andreas Theofanous, Eva Papadogiannaki, Alexander Shevtsov, Sotiris Ioannidis

Over the last few years, the adoption of encryption in network traffic has been constantly increasing. The percentage of encrypted communications worldwide is estimated to exceed 90%. Although network encryption protocols mainly aim to secure and protect users' online activities and communications, …

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A Reconfigurable IDS Framework for Encrypted and Non-Encrypted Network Data in Supply Chains

Eva Papadogiannaki, Grigorios G. Chrysos, Konstantinos Georgopoulos, Sotiris Ioannidis

Supply Chains (SCs) constitute the bloodline for modern economic trade and manufacturing infrastructures. Their uninterrupted functionality remains of paramount importance. Consequently, substantial endeavors have been channeled into fortifying their security facets. This work presents an innovative solution to implement and integrate a …

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Pump Up the JARM: Studying the Evolution of Botnets using Active TLS Fingerprinting

Eva Papadogiannaki, Sotiris Ioannidis

The growing adoption of network encryption protocols, like TLS, has altered the scene of monitoring network traffic. With the advent and rapid increase in network encryption mechanisms, typical deep packet inspection systems that monitor network packet payload contents are gradually becoming obsolete, …

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MARVEL D4.5 - Security assurance and acceleration in E2F2C framework – final version

Eva Papadogiannaki, Anthi Barmpaki, Emmanouil Michalodimitrakis

This deliverable is the final version of the security assurance and acceleration in the E2F2C framework and it describes the work conducted in Task 4.3 within WP4, after M18. In the context of MARVEL, security assurance is achieved using two components, namely …

Pump Up the JARM: Studying the Evolution of Botnets Using Active TLS Fingerprinting

Eva Papadogiannaki, Sotiris Ioannidis

The growing adoption of network encryption protocols, like TLS, has altered the scene of monitoring network traffic. With the advent increase in network encryption, typical DPI systems that monitor network packet payload contents are becoming obsolete, while in the meantime, adversaries abuse …

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MARVEL - D4.2: Security assurance and acceleration in E2F2C framework – initial version

Eva Papadogiannaki, Sotiris Ioannidis

This deliverable is the initial version of the security assurance and acceleration in the E2F2C framework and it describes the initial version of the work conducted in Task 4.3, which is part of the WP4. Security assurance is achieved by two components. …

MARVEL - D4.2: Security assurance and acceleration in E2F2C framework – initial version

Eva Papadogiannaki, Sotiris Ioannidis

This deliverable is the initial version of the security assurance and acceleration in the E2F2C framework and it describes the initial version of the work conducted in Task 4.3, which is part of the WP4. Security assurance is achieved by two components. …

The Diversification and Enhancement of an IDS Scheme for the Cybersecurity Needs of Modern Supply Chains

Dimitris Deyannis, Eva Papadogiannaki, Grigorios Chrysos, Konstantinos Georgopoulos et autres

Despite the tremendous socioeconomic importance of supply chains (SCs), security officers and operators are faced with no easy and integrated way for protecting their critical, and interconnected, infrastructures from cyber-attacks. As a result, solutions and methodologies that support the detection of malicious …

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Network Intrusion Detection in Encrypted Traffic

Eva Papadogiannaki, Giorgos Tsirantonakis, Sotiris Ioannidis

Traditional signature-based intrusion detection systems inspect packet headers and payloads to report any malicious or abnormal traffic behavior that is observed in the network. With the advent and rapid adoption of network encryption mechanisms, typical deep packet inspection systems that focus only …

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Pythia: Scheduling of Concurrent Network packet Processing Applications on Heterogeneous Devices [EXTENDED VERSION]

Giannis Giakoumakis, Eva Papadogiannaki, Giorgos Vasiliadis, Sotiris Ioannidis

Modern commodity computing systems are composed by a number of different heterogeneous processing units, each of which has its own unique performance and energy characteristics. However, the majority of current network packet processing frameworks targets only a specific processing unit (either the …

A Survey on Encrypted Network Traffic Analysis Applications, Techniques, and Countermeasures

Eva Papadogiannaki, Sotiris Ioannidis

The adoption of network traffic encryption is continually growing. Popular applications use encryption protocols to secure communications and protect the privacy of users. In addition, a large portion of malware is spread through the network traffic taking advantage of encryption protocols to …

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