| Gotta CAPTCHA’Em all: a survey of 20 Years of the human-or-computer Dilemma M Guerar, L Verderame, M Migliardi, F Palmieri, A Merlo ACM Computing Surveys (CSUR) 54 (9), 1-33, 2021 | 92 | 2021 |
| A Fraud-Resilient Blockchain-Based Solution for Invoice Financing M Guerar, A Merlo, M Migliardi, F Palmieri, L Verderame IEEE Transactions on Engineering Management, 2020 | 73 | 2020 |
| Using screen brightness to improve security in mobile social network access M Guerar, M Migliardi, A Merlo, M Benmohammed, F Palmieri, ... IEEE Transactions on Dependable and Secure Computing 15 (4), 621-632, 2016 | 46 | 2016 |
| CirclePIN: A novel authentication mechanism for smartwatches to prevent unauthorized access to IoT devices M Guerar, L Verderame, A Merlo, F Palmieri, M Migliardi, L Vallerini ACM Transactions on Cyber-Physical Systems 4 (3), 1-19, 2020 | 44 | 2020 |
| Invisible CAPPCHA: A Usable Mechanism to Distinguish Between Malware and Humans on the mobile IoT M Guerar, A Merlo, M Migliardi, F Palmieri Computers & Security, 2018 | 38 | 2018 |
| Securing PIN‐based authentication in smartwatches with just two gestures M Guerar, M Migliardi, F Palmieri, L Verderame, A Merlo Concurrency and Computation: Practice and Experience 32 (18), e5549, 2020 | 34 | 2020 |
| A completely automatic public physical test to tell computers and humans apart: A way to enhance authentication schemes in mobile devices M Guerar, M Migliardi, A Merlo, M Benmohammed, B Messabih 2015 International Conference on High Performance Computing & Simulation …, 2015 | 32 | 2015 |
| Completely automated public physical test to tell computers and humans apart: A usability study on mobile devices M Guerar, A Merlo, M Migliardi Future Generation Computer Systems 82, 617-630, 2018 | 26 | 2018 |
| 2GesturePIN: Securing PIN-Based authentication on smartwatches M Guerar, L Verderame, M Migliardi, A Merlo 2019 IEEE 28th International Conference on Enabling Technologies …, 2019 | 22 | 2019 |
| Blockchain-based risk mitigation for invoice financing M Guerar, L Verderame, A Merlo, M Migliardi Proceedings of the 23rd International Database Applications & Engineering …, 2019 | 20 | 2019 |
| Clickpattern: A pattern lock system resilient to smudge and side-channel attacks M Guerar, A Merlo, M Migliardi Journal of Wireless Mobile Networks, Ubiquitous Computing and Dependable …, 2017 | 20 | 2017 |
| Color wheel pin: Usable and resilient ATM authentication M Guerar, M Benmohammed, V Alimi Journal of High Speed Networks 22 (3), 231-240, 2016 | 17 | 2016 |
| Cloud-native application security training and testing with cyber ranges E Russo, G Longo, M Guerar, A Merlo International Conference on Ubiquitous Computing and Ambient Intelligence …, 2023 | 12 | 2023 |
| SSI-MedRx: a fraud-resilient healthcare system based on blockchain and SSI M Guerar, M Migliardi, E Russo, D Khadraoui, A Merlo Blockchain: Research and Applications 6 (1), 100242, 2025 | 9 | 2025 |
| TruthSeekers chain: Leveraging invisible CAPPCHA, SSI and blockchain to combat disinformation on social media M Guerar, M Migliardi International Conference on Computational Science and Its Applications, 419-431, 2022 | 9 | 2022 |
| Continuous Authentication on a Smartwatch M Migliardi, M Guerar, S Marzio, C Ferrari International Conference on Ubiquitous Computing and Ambient Intelligence …, 2022 | 2 | 2022 |
| ascCAPTCHA: an Invisible Sensor CAPTCHA for PCs Based on Acoustic Side Channel RDN Di Maio, M Guerar, M Migliardi 2021 44th International Convention on Information, Communication and …, 2021 | 1 | 2021 |
| Towards a SIP-based DDoS Attack to the 4G Network N Cibin, M Guerar, A Merlo, M Migliardi, L Verderame Workshops of the International Conference on Advanced Information Networking …, 2020 | 1 | 2020 |
| Zero-Trust and Reinforcement Learning for Secure Federated Intelligence in 6G Edge Networks G Bendiab, M Guerar, H Haiouni, L Verderame 2025 IEEE International Conference on Cyber Security and Resilience (CSR …, 2025 | | 2025 |
| AI-Enhanced Hybrid CFAR for 6G Integrated Sensing and Communication (ISAC) K Belhi, S Chabbi, M Guerar 2025 IEEE International Conference on Cyber Security and Resilience (CSR …, 2025 | | 2025 |
Alessio MerloProfessor of Cybersecurity, Director of the School of Advanced Defense Studies (CASD), Rome, ItalyVerified email at unicasd.it
