Celso Bessa (sɛwsʊ bɛ:sa)
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Post for: #cybersecurity (4 Posts)

Interview with Etienne Mainier (Tek) on Infosec and Malware

22/09/2024 Celso Bessa
Amnesty International blog Cellebrite cybersecurity Etienne Mainier human rights Human Rights Watch Infuse Program malicious software malware NSO Predator

(versão em português disponível aqui). As part of the Infuse Program fellowship, recently I facilitated a series of workshops on malware triage and detection. In…

Critical WhatsApp Bugs Could Have Allowed Devices Hacking

29/09/2022 Celso Bessa
blog cybersecurity Hacking WhatsApp

If you use WhatsApp on iPhone or on an Android phone, download the update as soon as possible. Some versions had a freaking vulnerability which…

Blockchain based botnet (cybersecurity)

15/04/2021 Celso Bessa
blockchain blog Bruce Schneier cybersecurity digital integrity Security technology

A recurring (kinda)joke in my circles is "Blockchain is solution looking for a problem to solve". Now we can move on step forward and say…

Link: Authentication, Authorisation, and dinosaurs

02/02/2021 Celso Bessa
blog cybersecurity development

Charlotte Feraday and a few dinosaur explain in a simple, didactic way - and using dinosaurs - what authentication is (authentication), authorization (authorization) in the…

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