The document discusses securing clouds and some of the security challenges with cloud computing. It begins with an introduction of the presenter and their background. Several examples of common security issues with cloud environments are demonstrated, such as exposed credentials, open S3 buckets, and exposed EC2 services. The presentation emphasizes the importance of credentials and understanding cloud resources. It concludes that the most secure environment is one with the best understanding of deployed resources.

1. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Securing Clouds
Wide Open
Felipe “Pr0teus” Espósito, Senior Researcher
@pr0teusbr
Foz do Iguaçu, 27 de Novembro de 2019

2. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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Sobre mim
● Former Co-Founder BlueOps (acquired by Tenchi)
● Senior Cloud Researcher & Consultant @ Tenchi Security
● Speaker / CTF organizer (BlueWars)
● Master’s Degree in Network Security
● Love coffee & Chocolate

3. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Um dos problemas
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4. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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Mais problemas

5. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Agenda
1. Cloud computing
2. On Premises Vs. Nuvem
3. Vuln Time !
4. Fix Time !
5. Conclusões
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6. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Cloud Computing
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O que minha mãe pensa
que é
O que o Chefe de
Tecnologia Pensa que é
O que o estagiário acha
que é

7. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Cloud Computing
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O que na verdade é...

8. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
On Premises Vs. Nuvem
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9. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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Diferenças

10. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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Vuln time!
- Como explorar
- Dinâmica do ataque.
- Como corrigir
Pray for the DEMO God!

11. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Credenciais de acesso
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12. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Fix
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13. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Still they do…
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https://github.com/UnkL4b/GitMiner

14. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Incident Response
● Invalidate the credentials.
● Change Passwords OR delete the user
● Done =D
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● Are you sure ?!
● Check if any other credential was created
temporary can last up to 36 hours.

15. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Bucket S3 Aberto
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16. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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17. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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18. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
EC2 com serviço exposto
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19. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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20. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Fixing
Rever a arquitetura do projeto.
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21. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Server Side Request Forgery
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22. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
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23. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Conclusões
1. Cloud computing traz novos desafios à segurança.
2. Credenciais são muito importante, não as perca.
3. O ambiente mais seguro é aquele que você mais domina os
recursos.
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24. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
https://latinsec19.rtfm-ctf.org
Registre-se em:
Premiação: 3 ingressos do H2HC

25. Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.Tenchi Security confidential and proprietary. Unauthorized disclosure, reproduction or other use prohibited.
Q&A
fesposito@tenchisecurity.com
@Pr0teusBR
@tenchisecurity