A Completely Automatic Public Physical test to tell Computers and Humans Apart: A way to enhance authentication schemes in mobile devices. - Meriem Guerar; Mauro Migliardi; Alessio Merlo; Mohamed Benmohammed; Belhadri Messabih (HPCS, 2015)

Color wheel pin: Usable and resilient ATM authentication. - Meriem Guerar; Mohamed Benmohammed; Vincent Alimi (J. High Speed Networks, 2016)

ClickPattern: A Pattern Lock System Resilient to Smudge and Side-channel Attacks. - Meriem Guerar; Alessio Merlo; Mauro Migliardi (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2017)

Invisible CAPPCHA: A usable mechanism to distinguish between malware and humans on the mobile IoT. - Meriem Guerar; Alessio Merlo; Mauro Migliardi; Francesco Palmieri 002 (Comput. Secur., 2018)

Completely Automated Public Physical test to tell Computers and Humans Apart: A usability study on mobile devices. - Meriem Guerar; Alessio Merlo; Mauro Migliardi (Future Gener. Comput. Syst., 2018)

Using Screen Brightness to Improve Security in Mobile Social Network Access. - Meriem Guerar; Mauro Migliardi; Alessio Merlo; Mohamed Benmohammed; Francesco Palmieri 002; Aniello Castiglione (IEEE Trans. Dependable Secur. Comput., 2018)

Blockchain-based risk mitigation for invoice financing. - Meriem Guerar; Luca Verderame; Alessio Merlo; Mauro Migliardi (IDEAS, 2019)

2GesturePIN: Securing PIN-Based Authentication on Smartwatches. - Meriem Guerar; Luca Verderame; Mauro Migliardi; Alessio Merlo (WETICE, 2019)

Towards a SIP-based DDoS Attack to the 4G Network. - Nicola Cibin; Meriem Guerar; Alessio Merlo; Mauro Migliardi; Luca Verderame (AINA Workshops, 2020)

Securing PIN-based authentication in smartwatches with just two gestures. - Meriem Guerar; Mauro Migliardi; Francesco Palmieri 002; Luca Verderame; Alessio Merlo (Concurr. Comput. Pract. Exp., 2020)

CirclePIN: A Novel Authentication Mechanism for Smartwatches to Prevent Unauthorized Access to IoT Devices. - Meriem Guerar; Luca Verderame; Alessio Merlo; Francesco Palmieri 002; Mauro Migliardi; Luca Vallerini (ACM Trans. Cyber Phys. Syst., 2020)

A Fraud-Resilient Blockchain-Based Solution for Invoice Financing. - Meriem Guerar; Alessio Merlo; Mauro Migliardi; Francesco Palmieri 002; Luca Verderame (IEEE Trans. Engineering Management, 2020)

ascCAPTCHA: an Invisible Sensor CAPTCHA for PCs Based on Acoustic Side Channel. - R. Di Nardo Di Maio; Meriem Guerar; Mauro Migliardi (MIPRO, 2021)

Gotta CAPTCHA 'Em All: A Survey of Twenty years of the Human-or-Computer Dilemma. - Meriem Guerar; Luca Verderame; Mauro Migliardi; Francesco Palmieri 002; Alessio Merlo (CoRR, 2021)

TruthSeekers Chain: Leveraging Invisible CAPPCHA, SSI and Blockchain to Combat Disinformation on Social Media. - Meriem Guerar; Mauro Migliardi (ICCSA (Workshops 4), 2022)

Continuous Authentication on a Smartwatch. - Mauro Migliardi; Meriem Guerar; S. Marzio; Carlo Ferrari (UCAmI, 2022)

Gotta CAPTCHA 'Em All: A Survey of 20 Years of the Human-or-computer Dilemma. - Meriem Guerar; Luca Verderame; Mauro Migliardi; Francesco Palmieri 002; Alessio Merlo (ACM Comput. Surv., 2022)

Cloud-Native Application Security Training and Testing with Cyber Ranges. - Enrico Russo 001; Giacomo Longo; Meriem Guerar; Alessio Merlo (UCAmI (3), 2023)

AI-Enhanced Hybrid CFAR for 6G Integrated Sensing and Communication (ISAC). - Khadidja Belhi; Souad Chabbi; Meriem Guerar (CSR, 2025)

Zero-Trust and Reinforcement Learning for Secure Federated Intelligence in 6G Edge Networks. - Gueltoum Bendiab; Meriem Guerar; Houda Haiouni; Luca Verderame (CSR, 2025)