Antivirus software

Antivirus software (abbreviated to AV software), also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses, hence the name. However, with the proliferation of other malware, antivirus software started to protect against other computer threats. Some products also include protection from malicious URLs, spam, and phishing. History Timeline of notable computer viruses and worms 1949–1980 period (pre-antivirus days) Although the roots of the computer virus date back as early as 1949, when the Hungarian scientist John von Neumann published the "Theory of self-reproducing automata", the first known computer virus appeared in 1971 and was dubbed the "Creeper virus". This computer virus infected Digital Equipment Corporation's (DEC) PDP-10 mainframe computers running the TENEX operating system. The Creeper virus was eventually deleted by a program

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Real time multi-object tracking using multiple cameras

Michail Zervos

We build a real-time multi-people tracker, which is based on the Kalman Filter. The input to the software is a Probabilistic Occupancy Map of the observed area. The main goal of the project is to incorporate this tracker to the real-time detection software available on the CVLab demo room. A standalone version is also built. The algorithm exploits appearance cues to prevent identity switches. Instead of computing the appearance difference in a frame-by-frame manner, an appearance model is initially built when an individual enters the scene and is afterwards matched against the detected people. The frame-by-frame spatial tracking of the Kalman Filter makes the algorithm computationally efficient and the appearance model matching increases the robustness. The experiments performed in the demo room show that the method is satisfactory. We also validate our algorithm on a few datasets and the results prove that the method can be used in many scenarios. In certain datasets it even outperforms the state-of-the-art method while it’s one to two orders of magnitude faster.

2012

Fuelling WiFi deployment: A reputation-based solution

Naouel Ben Salem, Jean-Pierre Hubaux

The rapid growth of WiFi over the past two years reveals the willingness of the Wireless Internet Service Providers (WISPs) to develop this technology and the interest of the users in this new service. However, the lack of unified roaming slows down the deployment of this kind of networks. In this paper, we present a simple solution that allows a mobile node to connect to a hot spot managed by a WISP in a secure way while preserving its anonymity. We use a reputation-based system to discourage the WISPs from providing a bad quality of service to the mobile nodes. We will show that all the parties are motivated to behave correctly, that our solution thwarts rational attacks, that it is possible to detect malicious attacks and, in some case, identify the attackers.

2004

Sécurité informatique, exercices corrigés

Gildas Avoine, Pascal Junod, Philippe Oechslin

Les attaques informatiques sont aujourd'hui l'un des fléaux de notre civilisation. Chaque semaine amène son lot d'alertes concernant des failles dans la sécurité des systèmes d'information, exploitées par pirates et autres créateurs de virus. Ces attaques affectent tant les particuliers que les entreprises, avec pour ces dernières des conséquences financières parfois très lourdes. Le monde de l'enseignement a pris conscience de la nécessité de sensibiliser les générations de demain à la sécurité informatique. Il ne s'agit pas nécessairement de former des experts mais plutôt de mettre l'accent sur les risques liés à de mauvaises utilisation et gestion des systèmes informatiques. La majeure partie des incidents pourraient en effet être évités si les notions élémentaires de sécurité étaient connues. Cet ouvrage couvre les aspects fondamentaux de la sécurité informatique: * courrier électronique * virus et anti-virus * vulnérabilités des programmes et des réseaux * pare-feu: translation d'adresses, filtrage et proxy * cryptographie * communications sécurisées * applications sécurisées * gestion de la sécurité Il s'appuie sur des enseignements de 1er et 2e cycles d'informatique et sur des connaissances en protocoles réseaux. Les exercices sont extraits des cours et examens de la section "Systèmes de communication" de l'École polytechnique fédérale de Lausanne (EPFL), de 2001 à 2004.

Vuibert2004

COM-402: Information security and privacy

This course provides an overview of information security and privacy topics. It introduces students to the knowledge and tools they will need to deal with the security/privacy challenges they are likely to encounter in today's Big Data world. The tools are illustrated with relevant applications.

COM-301: Computer security

This is an introductory course to computer security and privacy. Its goal is to provide students with means to reason about security and privacy problems, and provide them with tools to confront them.

CS-412: Software security

This course focuses on software security fundamentals, secure coding guidelines and principles, and advanced software security concepts. Students learn to assess and understand threats, learn how to design and implement secure software systems, and get hands-on experience with security pitfalls.

Computer virus

A computer virus is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code into those programs. If this replication succeeds, the a

Malware

Malware (a portmanteau for malicious software) is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorize

Computer security

Computer security, cyber security, digital security or information technology security (IT security) is the protection of computer systems and networks from attacks by malicious actors that may resu