Researcher reputation:  130

Real name:
Paulo R. C. Choupina

About me:
This is an old page, I don't do this anymore. It was good while it lasted.
Started hacking at the age of 15, became an ethical hacker back in 2013. Was lucky enough to get to know the best persons in the field.
Now I don't use the computer, I prefer it this way. Be strong and healthy.

More info in:
http://paulochoupina.com

Officially Acknowledged by Microsoft, OLX, Huawei, Sapo and many more.

Feel free to contact me via email.

How to contact me:
[email protected]

Experience in Application Security
over 5 years

Award / Bug Bounty I prefer:
Nothing expected, but anything is welcome.
Thank you for your support!

Halls of Fame:
Microsoft:
https://portal.msrc.microsoft.com/en-us/security-guidance/researcher-acknowledgments-online-services
November 2019 position 9

https://security.olx.com/security-hall-of-fame.html
2019

Follow me on:
Twitter
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Recommendations and Acknowledgements

    18 March, 2019

     pmbfurtado Pedro Furtado from CustoJusto:

Paulo Choupina found and responsibly reported a vulnerability on our site. Thanks, Paulo for your help!

    20 June, 2019

     nomuthetart NathanB from [email protected]:

Paulo alerted us to a XSS vulnerability and when we had difficulty reproducing it walked us through his process which allowed us to patch it.

    18 June, 2019

     anorwood Adam Norwood from The University of Texas School of Law:

Thanks for pointing out an XSS vulnerability in the markup of one of our applications. Good to have it patched up.

    18 June, 2019

     JuniorTidal Junior Tidal from NYCCT Library:

Thank you Paulo for sharing your expertise. It is much appreciated!

    14 June, 2019

     mike_bobbitt Mike Bobbitt from Army.ca:

Paulo was very helpful in identifying vulnerabilities with our service - thanks!

    7 June, 2019

     gerryswan2 Gerry Swan from University of Kentucky:

Thanks Paulo for your thorough feedback. It was an easy fix with your help and examples.

    4 June, 2019

     filiperfreitas Filipe Freitas from JM:

Thank you Paulo for detecting and helping us fix the vulnerabilities. Much appreciated.

    4 June, 2019

     filiperfreitas Rodrigo Freitas from JM:

Thank you for sharing your findings Paulo and the way to correct them!

Honor Badges

Number of Secured Websites

10+ Websites	50+ Websites	500+ Websites	WEB SECURITY VETERAN 1000+ Websites

Advanced Security Research

WAF Bypasser	CSRF Master 30+ Reports	AppSec Logic Master 30+ Reports	Fastest Fix Fix in 24 hours

Outstanding Achievements

Secured OBB	OBB Advocate	Improved OBB

Commitment to Remediate and Patch

Patch Master 55% Patched	Patch Guru 65% Patched	Patch Lord 75% Patched

Recommendations and Recognition

REPUTABLE 10+ Recommends	FAMOUS 25+ Recommends	GLOBALLY TRUSTED 50+ Recommends

Distinguished Blog Author

1 Post	3 Posts	5+ Posts

Research Statistics

Open Bug Bounty Certificate