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1,001,986 coordinated disclosures
626,465 fixed vulnerabilities
1,345 bug bounty programs, 2,693 websites
23,267 researchers, 1,317 honor badges

Dipu1ATop-50 VIP Open Redirect Reporter Top Security Researcher of the Month | Security Researcher Profile

Security researcher Dipu1A has already helped fix 2851 vulnerabilities.

Researcher reputation:  550

Real name:
Md. Nur A Alam Dipu

About me:
Bug bounty hunter.

Contact email:
[email protected]://

Alternative Contacts:
[email protected]

Certifications & Diplomas:

Experience in Application Security
3-5 years

Award / Bug Bounty I prefer:
btc,paypal,bank, payoneer

Paypal :

Halls of Fame:
Yahoo,Dell,oracle,intel,eset,sony etc

Recommendations and Acknowledgements | Full List:

@advertester     6 June, 2021
    Twitter advertester Frank from IT Service:
Thanks for bringing the bug on one of our websites to our attention.
@WhatFontIs     4 May, 2021
    Twitter WhatFontIs Alex Cuibari from FFonts:
Thank you Dipu1A for your help to make our website safer. Alex
@dbo_tweets     20 April, 2021
    Twitter dbo_tweets Claude Errera from
Thanks to Dipu1A for finding a security issue with our website, and being so responsive to questions while we fixed it!
@bryanlteague     18 March, 2021
    Twitter bryanlteague Bryan Teague from University of San Diego:
The researcher discovered and reported the bug to Bug Bounty. The researcher was very responsive, answering my email quickly, and providing me with clear instructions to verify the issue directly on my website. This helped me to verify that the XSS issue had not been patched, and to forward the report to the developer who to fix the issue.

They did excellent work, and were clear, concise and polite.
@UsraWebmaster     12 March, 2021
    Twitter UsraWebmaster USRAWebmaster from USRA:
Thank you for your responsible disclosure of the XSS vulnerability.
@healsdata     20 February, 2021
    Twitter healsdata Jon from Personal Blog:
Thanks to Dipu1A for identifying an issue on my personal blog and helping to make it much safer!
@kirgsdotcom     6 February, 2021
    Twitter kirgsdotcom Ryan Kirgan from OIC:
Thanks to Dipu1A for the helpful, super responsive assistance in help secure the website.
@IPD_Akita     2 February, 2021
    Twitter IPD_Akita IPD_Akita from Information Planning Division,Akita Prefectural:
Dipu1A has found some issues on our website.
He immediately provided the necessary information.
It was very helpful. Thank you.
@IPD_Akita     1 February, 2021
    Twitter IPD_Akita IPD_Akita from Information Planning Division,Akita Prefectural:
Dipu1A has found some issues on our website. He immediately provided the necessary information. It was very helpful. Thank you.
@h_ono     8 December, 2020
    Twitter h_ono hono from DBCLS:
Great work, thanks for finding a bug and kindly reporting it.
@scottagunn     16 November, 2020
    Twitter scottagunn Scott from Forward Movement:
Thank you! Appreciate the help finding the vulnerability and then verifying that it was fixed. Your communication was professional, prompt, and courteous.
@bunnstuff     15 October, 2020
    Twitter bunnstuff Victoria Clare from Tropic Breeze:
Many thanks for the information that allowed us to fix two issues with our website, Nur
@VijayA11443463     12 October, 2020
    Twitter VijayA11443463 ITSecurity from Empinfo:
Thanks to Dipu1A for identifying and promptly providing us the details of an issue on our website and making it much safer.
@peterblask     21 July, 2020
    Twitter peterblask Peter from Kickit:
Excellent work finding and reporting bugs. Clear, concise, polite. Thanks a bunch!
@ITStaff8     24 June, 2020
    Twitter ITStaff8 Tech Staff from OHS:
Dipu1A found some issues with our website, and responded very quickly with the necessary information to fix them. Very helpful. Thank you!
@adrivo6     12 June, 2020
    Twitter adrivo6 Mike from adrivo:
good and fast communication, thanks for your help and support
@PaulfKen     1 May, 2020
    Twitter PaulfKen IT Team from University College Dublin:
Thanks Dipu1A, the concise details of the vulnerability will help us to revolve the risk. Keep up the good work and thanks for helping to keep the internet and online information safe.
@darcyf1     29 April, 2020
    Twitter darcyf1 Darcy from DarcyF1:
Concise and comprehensive explanation of issue, steps to resolve and provided confirmation of patch. Much appreciated pro-active contributor to web security from our little community.
@conbinijapan     20 April, 2020
    Twitter conbinijapan Tanaka from Conbini:
Thank you for identify a XSS bug and providing examples of the issue.

Quick and accurate communication.
@dcoz99     25 March, 2020
    Twitter dcoz99 David from HP Computer Museum:
Very helpful in identifying and assisting in the resolution of XSS and SQL injection issues.
@Paul58787858     6 March, 2020
    Twitter Paul58787858 Paul from TradeDuck:
Thank you for the help and guidance on vulnerabilities. We walked through a batch of codes and performed update related to the XSS.

Once again thank you for the invaluable experience and assistance on this.
@gaborvitez     16 February, 2020
    Twitter gaborvitez Gabor Vitez :
Dipu1A found a few vulnerabilities on our website and provided all the details needed to fix them. Thank you!
@ITChristopherIL     3 February, 2020
    Twitter ITChristopherIL Christopher from Illinois:
Thank you Dipu1A for helping identify a XSS bug and providing clear examples of the issue. That helped us resolve the issue and improve the safety of our website.
@Gratilog     17 July, 2019
    Twitter Gratilog Pierrard from
Thanks for your work and your explainations.
@ultravibe     15 July, 2019
    Twitter ultravibe Andrew Mazzocchi from WTOP:
I run a team that is very security conscious, but even so things sometimes slip by. Dipu’s attention helped us identify and fix a vulnerability we should have caught. His attention to things like this is most valuable and appreciated.
@ziduniwien     30 April, 2019
    Twitter ziduniwien Computer Center from University of Vienna:
Dear Dipu1A,
The University of Vienna would like to thank you for your valuable contribution in finding multiple website security issues.
Your input is highly welcome and helps to raise the security level of our educational institution.
Servus and greetings from Vienna, Austria.
@mlerley     25 April, 2019
    Twitter mlerley Mike Lerley from SMTnet:
Thanks for finding these vulnerabilities!
@PHPDev8     20 February, 2019
    Twitter PHPDev8 Developer from TPCS:
Quick and accurate communication. Wonderful to work with.
@JimM97459222     17 February, 2019
    Twitter JimM97459222 Jim M from GH:
Thanks Dipu1A... I had no idea how easy it was to have a XSS vulnerability. Much thanks for pointing it out.
@m0nd     5 February, 2019
    Twitter m0nd Raymond from University of the West Indies Cave Hill Campus:
I\'d like to offer much thanks to Dipu1A for helping to identify an xss bug in the university\'s website. He provided info to me about the vulnerability as well as how to prevent it in the future.
@JamilaHanan     27 December, 2018
    Twitter JamilaHanan Jamila Hanan from MedWorm:
Contacted me regarding a couple of weaknesses on MedWorm that he found, that I fixed and he then tested. Much appreciated!
@HNiederhuber     20 December, 2018
    Twitter HNiederhuber Harald Niederhuber from Austrian Parliament IT Department:
We got a self initiated message from Dipu1A on the contact form of our website. Asking for details we were provided very quick advice indicating the vulnerability and what to do. That helped us very efficiently to fix the issue. Thanks a lot for all!
@simtkportal     21 November, 2018
    Twitter simtkportal Joy from SimTK:
Thanks Dipu1A for helping us improve the security of our website.
@evergreen_uk     9 November, 2018
    Twitter evergreen_uk Andrew from Evergreen:
Thanks Dipu1A for providing information on preventing attacks to one of our customer websites.
@veraneumeyer_oe     23 May, 2018
    Twitter veraneumeyer_oe Vera from Open-E:
We'd like to thank Dipu1A for helping us to improve our page safety against phishing attacks.

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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:15938
Total reports on VIP sites:458
Total patched vulnerabilities:2851
Total vulnerabilities on Hold (Open Bug Bounty):2587
Recommendations received:35
Active since:24.03.2018
Top VIP Security Researcher Awards: Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week

Open Bug Bounty Certificate

Researcher Certificate

Reported Vulnerabilities

All Submissions VIP SubmissionsFeatured Submissions

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  Latest Patched


  Latest Blog Posts

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Easy XSS On Mostly Educational Websites Via Moodle
25.04.2021 by ParanjpeSanmarg
Testing Subdomain Takeover Vulnerability
11.04.2021 by Open Bug Bounty
Better Notifications Mechanism

  Recent Recommendations

@darione90     14 June, 2021
    Twitter darione90:
Many thanks for finding and reporting an XSS vulnerability on our website!
@darione90     13 June, 2021
    Twitter darione90:
Many thanks for helping us fixing a XSS vulnerability on our website!
@darione90     12 June, 2021
    Twitter darione90:
Many thanks to 0xrocky for finding a vulnerability on our website!
@infoclimat     11 June, 2021
    Twitter infoclimat:
I can confirm k0t has found an XSS vulnerability on our website, that was fixed quickly after. Thanks for the finding.
@infoclimat     10 June, 2021
    Twitter infoclimat:
Taha has found several XSS vulnerabilities, and kindly reported them to our team.