This book constitutes the refereed proceedings of the Second Latin-American Symposium on Dependable Computing, LADC 2005, held in Salvador, Brazil, in October 2005.

The 16 revised full papers presented together with 3 invited talks, and outlines of 2 workshops and 3 tutorials, were carefully reviewed and selected from 39 submissions. The papers are organized in topical sections on evaluation, certification, modelling, embedded systems, time, and distributed systems algorithms.