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733,903 coordinated disclosures
435,689 fixed vulnerabilities
1141 bug bounties with 2,191 websites
20,551 researchers, 1254 honor badges

207Top-50 VIP Open Redirect Reporter Top Security Researcher of the Month | Security Researcher Profile

Security researcher 207 has already helped fix 3015 vulnerabilities.

Researcher reputation:  330

Real name:

How to contact me:
[email protected]

I encourage you to contact me ASAP so we can work together to quickly protect your users! All communication will be kept private.

Award / Bug Bounty I prefer:
I am looking for a remote job.

Halls of Fame:

and many more ;)

Recommendations and Acknowledgements

@suisho     25 March, 2018
    Twitter suisho AKI from densuke:
With precise advice, They helped me very much.
I really appreciate it.
@demetri     16 February, 2018
    Twitter demetri Demetri from BBNS:
I appreciate the approach of identifying vulnerabilities in a professional manner like this. Dan has been fast and helpful in communicating the issue clearly and concisely.
@filippo74     18 January, 2018
    Twitter filippo74 Filippo from
Thank you for your report about XSS vulnerabilities... quick and very professional. Grazie
@_june     9 January, 2018
    Twitter _june Mia from ModCloth:
Thanks for your help! Fast and professional.
@Anthesum     5 January, 2018
    Twitter Anthesum Ralph from
Thanks for reporting the Cross Site Scripting issue. Helped me a lot to safeguard my website.
@dossy     22 December, 2017
    Twitter dossy Dossy S. from Panoptic:
Dan brought a previously-patched XSS issue that had somehow been regressed to my attention. Re-applied the fix and deployed: thanks!
@itea97137491     6 November, 2017
    Twitter itea97137491 Vincent from n/a:
Fast and professional! Thank you Dan
@robtexdotcom     31 October, 2017
    Twitter robtexdotcom Robert Olsson from Robtex:
Thank you for your kind help! Keep doing what you're doing.
Quick and professional and to the point.
@manuelgobeaut     21 October, 2017
    Twitter manuelgobeaut manuelgobeaut from W&B CREATION:
Thank you for discovering a security issue, and help me to solve it.
@theoldhorse3     19 October, 2017
    Twitter theoldhorse3 Alex from Arthur Conan Doyle:
Many thanks to you for pointing the bug. Much appreciated.

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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
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

10+ Recommends
25+ Recommends
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:5904
Total reports on VIP sites:784
Total patched vulnerabilities:3015
Recommendations received:32
Active since:25.04.2016
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Month Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate

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Reported Vulnerabilities

All Submissions VIP Submissions

  Latest Patched


  Latest Blog Posts

25.12.2020 by _Y000_
How to bypass mod_security (WAF)
10.12.2020 by _Y000_
sql injection to bypass Mod_Security
10.12.2020 by _Y000_
Create encoded sql payloads
26.10.2020 by _r00t1ng_
Bypass Addslashes using Multibyte Character
26.10.2020 by _r00t1ng_
One Payload to Inject them all - MultiQuery Injection

  Recent Recommendations

@smiteworks     15 January, 2021
    Twitter smiteworks:
Rajesh was very helpful in providing information and penetration testing on our site. With this information, we were able to harden our infrastructure.
@mhmitu     15 January, 2021
    Twitter mhmitu:
Hi Praveen,
Thanks for the help with the vulnerability. Very fast and friendly contact.
@matrixrewriter     15 January, 2021
    Twitter matrixrewriter:
We had no idea that this vulnerability existed in many PHP-based websites and you kindly reported it to us. Thanks for your help and all the best for your career!
@SilensStudio     14 January, 2021
    Twitter SilensStudio:
Thank you very much for informing us about our access vulnerability! The world needs more good guys like you! A+!
@JoseLev41970568     14 January, 2021
    Twitter JoseLev41970568:
Specialist in web application penetration tester, student and passionate about computer security and ethical hacking.