The Companion Proceedings of the 21st Brazilian Symposium on Information and Computational Systems Security (SBSeg 2021) bring the papers selected and presented in the online edition of the event held in Belém/PA, from October 4th to 7th, 2021. In this edition, the proceedings include 29 full papers distributed in two tracks: Tools and Workshop of Undergraduate Research (WTICG). These papers were selected through a double-blind review. This volume was organized by Emerson Ribeiro de Mello (IFSC) - coordinator of the Tools, and by Eduardo Feitosa (UFAM) - coordinator of the Workshop of Undergraduate Research (WTICG). The articles that make up the Tools were submitted on 07/19/2021, accepted for publication on 08/19/2021, with the final version submitted on 08/30/2021. The articles that make up the WTICG were submitted on 07/23/2021, accepted for publication on 08/30/2021, with the final version submitted on 09/14/2021.

To access the main tracks, visit SBSeg 2021 Proceedings series.

You can find more information about SBSeg 2021 by visiting the website of the event.