Hakan Bostan

E-mail
hbostan@metu.edu.tr
Department
Department of Computer Engineering
Shoulder surfing resistant graphical password schema: Randomized Pass Points (RPP)
Bostan, Hakan; Bostan, Atila (2023-01-01)
Shoulder-surfing attacks are pervading in today’s digital environment. With the widespread usage of mobile devices in public and uncontrolled settings, intentional or unintentional observation of user authentication proces...
Shoulder Surfing Resistant Graphical Password Schema: Randomized Pass Points (RPP)
Bostan, Hakan; Bostan, Atila (2021-01-01)
© 2021 IEEE.In this study, a pass-graph methodology that benefits from randomity and alternative pass-graphs derivation is proposed with the name of Randomized Pass Points. The proposed authentication methodology is scruti...
DroPPPP: A P4 Approach to Mitigating DoS Attacks in SDN
Simsek, Goksel; Bostan, Hakan; Sarica, Alper Kaan; Sarikaya, Egemen; KELEŞ, AHMET; Angın, Pelin; Alemdar, Hande; Onur, Ertan (2020-01-01)
Software-Defined Networking (SDN) has proven itself a useful technology for establishing and managing configurable, dynamic networks with the rapid deployment of services in the past decade. Despite these advantages, the f...
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