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Préservez votre sécurité dans un monde toujours plus connecté ! L'hygiène numérique correspond aux gestes simples que tout un chacun doit mettre en œuvre, chaque jour, pour vivre sereinement dans un monde numérique en se protégeant des risques qui s'y sont développés (vol de données, fraudes, arnaques, etc.). Pour maintenir en pleine santé votre ordinateur, téléphone ou tablette, découvrez 129 bonnes pratiques à adopter et organisées selon ces huit thématiques : les bonnes manières de choisir et gérer ses mots de passe ; la divulgation, volontaire ou non, de ses données personnelles ; la gestion de ses données numériques et leur traçabilité ; les principales arnaques et fraudes en ligne et comment s'en protéger ; la protection de ses canaux de communication (box, VPN, etc.) ; la sécurisation de ses moyens de communication sur Internet ; la conservation de son matériel informatique ; l'anticipation des menaces et la sauvegarde de ses données. Grâce à son écriture simple, accessible et à de nombreuses mises en situation, ce livre pratique rend compréhensibles les subtilités techniques de notre monde numérique.

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This companion exercise and solution book to A Classical Introduction to Cryptography: Applications for Communications Security contains a carefully revised version of teaching material. It was used by the authors or given as examinations to undergraduate and graduate-level students of the Cryptography and Security Lecture at EPFL from 2000 to mid-2005. A Classical Introduction to Cryptography Exercise Book for A Classical Introduction to Cryptography: Applications for Communications Security covers a majority of the subjects that make up today's cryptology, such as symmetric or public-key cryptography, cryptographic protocols, design, cryptanalysis, and implementation of cryptosystems. Exercises do not require a large background in mathematics, since the most important notions are introduced and discussed in many of the exercises. The authors expect the readers to be comfortable with basic facts of discrete probability theory, discrete mathematics, calculus, algebra, as well as computer science. Following the model of A Classical Introduction to Cryptography: Applications for Communications Security, exercises related to the more advanced parts of the textbook are marked with a star.

Computer security --- Cryptography --- 681.3*E1 --- 681.3*E3 --- 681.3*E4 --- Cryptanalysis --- Cryptology --- Secret writing --- Steganography --- Signs and symbols --- Symbolism --- Writing --- Ciphers --- Data encryption (Computer science) --- Computer privacy --- Computer system security --- Computer systems --- Computers --- Cyber security --- Cybersecurity --- Electronic digital computers --- Protection of computer systems --- Security of computer systems --- Data protection --- Security systems --- Hacking --- 681.3*E3 Data encryption: data encryption standard; DES; public key cryptosystems --- Data encryption: data encryption standard; DES; public key cryptosystems --- 681.3*E1 Data structures: arrays; graphs; lists; tables; trees --- Data structures: arrays; graphs; lists; tables; trees --- 681.3*E4 Coding and information theory: data compaction and compression; formal modelsof communication; nonsecret encoding schemes--See also {681.3*H11} --- Coding and information theory: data compaction and compression; formal modelsof communication; nonsecret encoding schemes--See also {681.3*H11} --- Protection --- Security measures --- Computer security. --- Cryptography. --- Sécurité informatique --- Cryptographie --- Problems, exercises, etc. --- Problèmes et exercices --- EPUB-LIV-FT LIVINFOR SPRINGER-B --- Data encryption (Computer science). --- Information theory. --- Computer Communication Networks. --- Data structures (Computer science) --- Coding theory. --- Data transmission systems. --- Cryptology. --- Theory of Computation. --- Data Structures and Information Theory. --- Coding and Information Theory. --- Input/Output and Data Communications. --- Information structures (Computer science) --- Structures, Data (Computer science) --- Structures, Information (Computer science) --- Electronic data processing --- File organization (Computer science) --- Abstract data types (Computer science) --- Data communication systems --- Transmission of data --- Digital communications --- Electronic systems --- Information theory --- Telecommunication systems --- Data compression (Telecommunication) --- Digital electronics --- Machine theory --- Signal theory (Telecommunication) --- Computer programming --- Communication theory --- Communication --- Cybernetics --- Data encoding (Computer science) --- Encryption of data (Computer science) --- Computers. --- Computer communication systems. --- Data structures (Computer science). --- Input-output equipment (Computers). --- Computer hardware --- Computer I/O equipment --- Electronic analog computers --- Hardware, Computer --- I/O equipment (Computers) --- Input equipment (Computers) --- Input-output equipment (Computers) --- Output equipment (Computers) --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Network computers --- Automatic computers --- Automatic data processors --- Computing machines (Computers) --- Electronic brains --- Electronic calculating-machines --- Electronic computers --- Calculators --- Cyberspace --- Input-output equipment --- Distributed processing