Ramsonware, ¿un gran ataque global?

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Sigue el sensacionalismo entorno al ramsonware que se descubrió ayer y se ha extendido por casi 100 países. Incluso Europol afirma que se trata de un ataque a un nivel sin precedentes. Por supuesto que no voy a restar importancia a este incidente, pero creo que el enfoque que se le está dado en muchos medios […]

Un antiguo ataque DoS afecta a dispositivos actuales

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Sabemos que una conexión TCP está definida por dos pares IP:Puerto, uno para el origen y otro para el destino: El puerto del cliente es aleatorio (aunque esto no es del todo cierto en algunas implementaciones). Si un atacante conociese este puerto podría enviar paquetes ICMP del tipo “destination un reachable” con el código “port […]

Pon en práctica tu Sentido Común

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Hoy 30 de noviembre se celebra el “Día Internacional de la Seguridad Informática” y quería tratar este tema, aunque no necesariamente desde un punto de vista técnico, ya habrá otros posts para esto. Esta semana hemos sabido que ha quedado absuelta una pareja implicada en un caso de estafa en Internet: http://www.diariosur.es/v/20111128/malaga/absuelta-pareja-logro-empleo-20111128.html En la época […]