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rngdr4 | Security Researcher Profile


Security researcher rngdr4 has already helped fix 4 vulnerabilities.



Researcher reputation:  20

Contact email:
PM twitter @rngdr4
Email: [email protected]

Experience in Application Security
3-5 years

Follow me on:
Twitter

Recommendations and Acknowledgements

@studentdoctor     14 April, 2021
    Twitter studentdoctor Lee from Student Doctor Network:
Rngdr4 is an absolute professional. Very helpful in finding and helping to resolve our bug. Highly recommended! Thanks, rngdr4!

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Honor Badges


Number of Secured Websites

10+ Secured Websites Badge
50+ Secured Websites Badge
500+ Secured Websites Badge
Web Security Veteran Badge
10+ Websites
50+ Websites
500+ Websites
WEB SECURITY VETERAN
1000+ Websites

Advanced Security Research

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

Outstanding Achievements

Secured OBB Badge
OBB Advocate Badge
Improved OBB Badge
Secured OBB
OBB Advocate
Improved OBB

Commitment to Remediate and Patch

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

Recommendations and Recognition

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

Distinguished Blog Author

Distinguished Blog Author Badge
Distinguished Blog Author Badge
Distinguished Blog Author Badge
1 Post
3 Posts
5+ Posts

Research Statistics



Total reports:10
Total patched vulnerabilities:4
Total vulnerabilities on Hold (Open Bug Bounty):4
Recommendations received:1
Active since:16.02.2021

Reported Vulnerabilities

All Submissions




No posts in blog yet










  Latest Patched

 07.05.2021 baliza.go.gov.br
 07.05.2021 pequizeiro.to.gov.br
 07.05.2021 castanheiras.ro.gov.br
 07.05.2021 huji.ac.il
 07.05.2021 www6.caixa.gov.br
 07.05.2021 nasatheme.com
 07.05.2021 itaipulandia.pr.gov.br
 07.05.2021 detran.rr.gov.br

  Latest Blog Posts

25.04.2021 by ParanjpeSanmarg
Testing Subdomain Takeover Vulnerability
11.04.2021 by Open Bug Bounty
Better Notifications Mechanism
28.03.2021 by febin_rev
Windows Stack Buffer Overflow in a real life app — Exploit development — CloudMe_1.11.2 Buffer Overflow-CVE-2018–6892
10.02.2021 by Renzi25031469
Sysadminotaur nº88
10.02.2021 by Open Bug Bounty
Higher Submissions Quality Standard

  Recent Recommendations

@obb20210429     6 May, 2021
    Twitter obb20210429:
Thanks for a quick and useful report that helped us find and resolve the issue.
@MrGviana     6 May, 2021
    Twitter MrGviana:
Ricardo, thank you for reporting vulnerabilities and helping me to solve them.
@aguiar_security     6 May, 2021
    Twitter aguiar_security:
Hey Ricardo, thanks for helping us :)
@aguiar_security     6 May, 2021
    Twitter aguiar_security:
Hey Ricardo, thanks for helping us :)
@_Kkommi     6 May, 2021
    Twitter _Kkommi:
Thank you for letting us know about the issue and helping to make the web a safer place