Spoofing attack which easily attack the network and reduce the performance of the network. In this Paper, Spoofing attacks are detected, Finding the number of attackers that masquerade the node identity, Localizing all the attackers node and calculate the speed of a node, by using RSS (received signal strength) for spoofing detection. The number of attacker is determined by clusterbased method....

It is well known that speaker verification systems are subject to spoofing attacks. The Automatic Speaker Verification Spoofing and Countermeasures Challenge – ASVSpoof2015 – provides a standard spoofing database, containing attacks based on synthetic speech, along with a protocol for experiments. This paper describes CPqD’s systems submitted to the ASVSpoof2015 Challenge, based on deep neural ...

It is widely acknowledged that most biometric systems are vulnerable to spoofing, also known as imposture. While vulnerabilities and countermeasures for other biometric modalities have been widely studied, e.g. face verification, speaker verification systems remain vulnerable. This paper describes some specific vulnerabilities studied in the literature and presents a brief survey of recent work...

Biometric systems are exposed to spoofing attacks which may compromise their security, and voice biometrics based on automatic speaker verification (ASV), is no exception. To increase the robustness against such attacks, anti-spoofing have been proposed for detection of replay, synthesis conversion-based attacks. However, most techniques loosely integrated with ASV system. In this work, we deve...

Gait is a relatively new biometric modality which has a precious advantage over other modalities, such as iris and voice, in that it can be easily captured from a distance. While it has recently become a topic of great interest in biometric research, there has been little investigation into gait spoofing attacks where a person tries to imitate the clothing or walking style of someone else. We r...

Today's Internet hosts are threatened by IP spoofing attacks and large scale Distributed Denial-of-Service (DDoS) attacks. We propose a new defense mechanism, StackPi, which unlike previous approaches, allows the host being attacked, or its upstream ISP, to filter out attack packets and to detect spoofed source IP addresses, on a per-packet basis. In StackPi, a packet is marked deterministicall...

A new authentication method employing a laser and a scanner is proposed to improve image contrast of the finger vein and to extract blood flow pattern for liveness detection. A micromirror reflects a laser beam and performs a uniform raster scan. Transmissive vein images were obtained, and compared with those of an LED. Blood flow patterns were also obtained based on speckle images in perfusion...

Biometric authentication technologies, such as fingerprint, face, iris, and vein, have been widespread in many applications from individual portable devices to national ID management systems. Furthermore, relatively newer biometric authentication modalities including eye movement, lip-motion, etc., have been also researched and developed in order to improve an authentication accuracy and an usa...

Face anti-spoofing (FAS) is a technology that protects face recognition systems from presentation attacks. The current challenge faced by FAS studies the difficulty in creating generalized light variation model. This because data are sensitive to domain. models using only red green blue (RGB) images suffer poor performance when training and test datasets have different variations. To overcome t...

To achieve end-to-end security, traditional machine-to-machine security measures are insufficient if the integrity of the human-computer interface is compromised. GUI logic flaws are a category of software vulnerabilities that result from logic bugs in GUI design/implementation. Visual spoofing attacks that exploit these flaws can lure even security-conscious users to perform unintended actions...