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GUO Yuejun

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TANG Qiang

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Financial supports

LAZARUS

pLatform for Analysis of Resilient and secUre Software

Inspiration

LAZARUS (pLatform for Analysis of Resilient and secUre Software) is a three-year research and innovation project that aims to heal many of the security issues that befall modern software during its development life cycle. The recently introduced paradigm of DevSecOps - in medium to large companies - unfortunately, lacks automated security tools, while most existing solutions are targeting only one narrow step of the SDLC process but miss a much-needed holistic overview of the global security solution. LAZARUS innovates by intervening in multiple steps of the SDLC, performing targeted security checks and collecting valuable information and intelligence from each step, and exploiting advanced ML and AI methods to convert this intelligence into actionable insights and recommendations.

Innovation

Framework
Design, develop, test, and validate a novel intelligent framework for the development of secure applications

Self-healing
Automatically apply self-healing to a system which undergoes an attack

Vulnerability management
Develop new methods for discovering vulnerabilities in an information system

AI/ML
Integrate artificial and machine learning in tools to automate security checks in DevSecOps

Impact

  • Trials of the enhanced SDLC in 4 software companies to enhance their pipelines with AI-powered DevSecOps capabilities;
  • Novel tools for DevSecOps using AI & ML;
  • Discovery of high severity CVEs in major projects;
  • End-users are software developers, software houses, CERTs, CSIRTs, ISACs, critical infrastructures

Project Profile

Start date
 
1.9.2022
End date
 
31.8.2025
Duration
 
36 Months
Keywords
 
self-healing; automated vulnerability identification; vulnerability patching

Funding

Funding Framework
 
Horizon Europe
Call
 
HORIZON-CL3-2021-CS-01-03
 
This project has received funding from the European Union’s Horizon Research and Innovation Programme under Grant Agreement nº 101070303.

Partners

People

Publications

Assessing the Robustness of Test Selection Methods for Deep Neural Networks

Hu Q., Guo Y., Xie X., Cordy M., Ma W., Papadakis M., Ma L., Traon Y.L.E.

ACM Transactions on Software Engineering and Methodology, vol. 34, n° 7, art. no. 195, 2025

Variable Renaming-Based Adversarial Test Generation for Code Model: Benchmark and Enhancement

Wen J., Hu Q., Guo Y., Cordy M., Traon Y.L.

ACM Transactions on Software Engineering and Methodology, vol. 35, n° 1, art. no. 6, 2025

Boosting source code learning with text-oriented data augmentation: an empirical study

Dong Z., Hu Q., Guo Y., Zhang Z., Cordy M., Papadakis M., Le Traon Y., Zhao J.

Empirical Software Engineering, vol. 30, n° 3, art. no. 68, 2025

A Multi-dataset Evaluation of Models for Automated Vulnerability Repair

Khan Z.A., Garg A., Tang Q.

Lecture Notes in Computer Science, vol. 15994 LNCS, pp. 73-87, 2025

A comprehensive analysis on software vulnerability detection datasets: trends, challenges, and road ahead

Guo Y., Bettaieb S., Casino F.

International Journal of Information Security, vol. 23, n° 5, pp. 3311-3327, 2024

Active Code Learning: Benchmarking Sample-Efficient Training of Code Models

Hu Q., Guo Y., Xie X., Cordy M., Ma L., Papadakis M., Traon Y.L.

IEEE Transactions on Software Engineering, vol. 50, n° 5, pp. 1080-1095, 2024

Test Optimization in DNN Testing: A Survey

Hu Q., Guo Y., Xie X., Cordy M., Ma L., Papadakis M., Traon Y.L.

ACM Transactions on Software Engineering and Methodology, vol. 33, n° 4, art. no. 111, 2024

Poster: Automated Dependency Mapping for Web API Security Testing Using Large Language Models

Li W., Guo Y.

Ccs 2024 Proceedings of the 2024 ACM Sigsac Conference on Computer and Communications Security, pp. 5024-5026, 2024

Outside the Comfort Zone: Analysing LLM Capabilities in Software Vulnerability Detection

Guo Y., Patsakis C., Hu Q., Tang Q., Casino F.

Lecture Notes in Computer Science Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, vol. 14982 LNCS, pp. 271-289, 2024

An Empirical Study of the Imbalance Issue in Software Vulnerability Detection

Guo Y., Hu Q., Tang Q., Traon Y.L.

Lecture Notes in Computer Science, vol. 14347 LNCS, pp. 371-390, 2024

MUTEN: Mutant-Based Ensembles for Boosting Gradient-Based Adversarial Attack

Hu Q., Guo Y., Cordy M., Papadakis M., Traon Y.L.

Proceedings 2023 38th IEEE ACM International Conference on Automated Software Engineering Ase 2023, pp. 1708-1712, 2023

An Investigation of Quality Issues in Vulnerability Detection Datasets

Guo Y., Bettaieb S.

Proceedings 8th IEEE European Symposium on Security and Privacy Workshops Euro S and Pw 2023, pp. 29-33, 2023

Evaluation of Multi-Language Vulnerability Patching with Pre-Trained Models

Khan Z.A., Garg A., Guo Y., Tang Q.

Proceedings of the ACM Symposium on Applied Computing, pp. 1820-1829, 2026

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