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La seguridad de los sistemas informáticos es un elemento crucial que cualquier debe asumir como uno de sus principales objetivos. La gran cantidad de servicios que se ofrecen a través de las redes e Internet ha hecho que sea de vital importancia asegurar los sistemas contra los diferentes ataques de los hackers. Ante este problema, el debe estar preparado para afrontar cualquier ataque que pueda comprometer la seguridad del sistema. Para hallar una solución a este conflicto, el debe ponerse en la piel de un hacker y analizar o explotar la seguridad del sistema. Pero, ¿es un un hacker? Ambos poseen amplios conocimientos informáticos y analizan la seguridad de las empresas en busca de fallos. Pero la diferencia radica en su ética y profesionalidad. Mientras un hacker “examina” un sistema informático con dudosos fines (económicos, venganza, diversión,…) un lo hace para proteger el sistema contra posibles ataques de hackers. La segunda edición del libro se presenta como una edición actualizada donde aprenderá las técnicas que se utilizan para buscar y comprobar los fallos de seguridad de un sistema informático. Temas incluidos: • Capítulo 1. Conceptos básicos, tipos de ataques y plataformas de entrenamiento. • Capítulo 2. Buscar un vector de ataque. Localización y análisis de un objetivo, trazado de rutas y escaneo de puertos. • Capítulo 3. Hacking de sistemas. Escaneo de vulnerabilidades, explotación de las vulnerabilidades de un sistema, ataques contra contraseñas y contramedidas. • Capítulo 4. Hacking de redes. Man in the middle, Sniffers, Phising, rotura de redes inalámbricas, navegación anónima y contramedidas. • Capítulo 5. Hacking de servidores web. Búsqueda de vulnerabilidades, ataques de fuerza bruta, XSS, RFI, LFI, inyección SQL, CSRF y contramedidas. • Capítulo 6. Hacking de aplicaciones. Crack, Hotfuzz, keyloggers, virus, troyanos, rootkits y ocultación para los antivirus.