k0t Top Security Researcher of the Month | Security Researcher Profile
Security researcher k0t has already helped fix 4437 vulnerabilities.
Researcher reputation: 2420
About me:
Penetration tester & webdev.
Contact email:
[email protected]
Experience in Application Security
over 5 years
Award / Bug Bounty I prefer:
Bug Bounty Payment, Gift Card, T-Shirts.
Recommendations and Acknowledgements | Full List:
22 June, 2020
PaulKLeasure1 PKLeasure from PKLeasure:
Ser found SQL injection vulnerability issues on one of the sites I work. Ser specified the issue by documenting with excellent clarity and provided the details needed to resolve the issue swiftly. Thank you Ser! |
25 May, 2020
VICTOR__Europe Frank from VICTOR Europe GmbH:
Thank you for helping us to fix the critical SQL injection. Friendly contact, thanks for the effort. |
13 May, 2020
Maik_U2 Maik from U2tour:
Thank you for finding SQLi and XSS bugs on our site. Great Work! Thanks for making the web a securer place. |
26 July, 2022
MrMoney84315336 Jens Weck from Mr-Money Software GmbH:
Thank you to @k0t for reporting and providing prompt and courteous details on our website, leading to a quick and pain free resolution. Keep up the good work. |
17 November, 2021
bjdean bjdean from HomeCo:
Very helpful and responsive to questions. Thanks for the report. |
8 November, 2021
unruly_infra Yannick from Unruly:
Many thanks for discovering this issue, this is appreciated! |
31 October, 2021
HkuLibtss wind from wind:
Thank you for reporting the vulnerability! We appreciate your help. |
6 September, 2021
VitaliyKolosWDL Vitaliy from WDL:
K0t found vulnerabilities on our website and we were able to fix them quickly. Thanks for your help! |
26 August, 2021
jcrms Jean Cremers from planetdance:
Many thanks to k0t for identifying multiple vulnarabilities on my site. |
8 July, 2021
LOVD Ivo Fokkema from LOVD:
K0t has successfully identified a new XSS vulnerability on our website and reported it so we could fix it. |
14 June, 2021
darione90 Dario from Società Astronomica G.V. Schiaparelli:
Many thanks for finding and reporting an XSS vulnerability on our website! |
11 June, 2021
infoclimat Frederic A from Infoclimat:
I can confirm k0t has found an XSS vulnerability on our website, that was fixed quickly after. Thanks for the finding. |
20 May, 2021
williamdam_dk Kasper from William Dams Boghandel:
I would like to give a HUGE thank you to k0t for letting me know about a XXS vulnerability in our shop. |
6 May, 2021
obb20210429 Ian from CUPE:
Thanks for a quick and useful report that helped us find and resolve the issue. |
28 April, 2021
ALLESkralle Security Team from alleskralle:
k0t did a good job helping us fix a problem. |
21 April, 2021
OnurBuyuktezgel Onur from U-Multirank:
Thank you for reporting the vulnerability! We appreciate your help. |
16 April, 2021
MrMoney84315336 Don Irmscher from Mr-Money:
Serious, fast and professional.Thanks for the report. |
7 April, 2021
NathyliciousBe Nathylicious from Nathylicious:
K0t did a great job of identifying and communicating the security issue he found. He provided us with the necessary information for us to validate and fix the issue. Unfortunately we can't offer any rewards for found bugs. |
21 February, 2021
cwg Christian from Fluxicon:
Good find, detailed and prompt communication -- thanks, k0T! |
18 February, 2021
pers_fitness Oliver from Personalfitness:
Vielen Dank für die prompte Hilfe. Mit der Hilfe von k0T konnten wir einige Lücken schnell schließen. Ich bin sehr begeistert. k0T hat uns motiviert viel mehr über Datensicherheit nachzudenken und werden auch noch mehr tun. |
17 February, 2021
mellery__ mellery from Bildungsserver Sachsen-Anhalt:
Very professional and constructive cooperation, thank you very much! Bug found, bug fixed - in less than 24 hours. That's how it should be. |
15 February, 2021
joelchaudy Joel Chaudy from DocteurTweety:
I thank k0t for letting me know 2 XSS vulnerabilities we were working on. Thank you for his kindness. |
5 January, 2021
DougNix Doug Nix from Compliance inSight Consulting Inc.:
I worked with k0t to resolve an issue on our website recently, and they were very easy to work with and very responsive. I appreciated their professionalism and respectful approach. Great job! |
14 December, 2020
Alyzeseo Alexandre from Alyze:
Thank you very much! I recommend this researcher. Very clear and pleasant to explain the XSS vulnerability on my site. Best regards. |
11 December, 2020
antpbe antp from imcdb.org:
Thanks for finding a XSS issue, afters others were already found and fixed. |
17 November, 2020
hitcomnewmedia Ralf from hitcom gmbh:
Thank you for reporting the vulnerability! We already fixed it. |
16 September, 2020
lorenzoherrera Loren from Litmind:
k0t found an elusive XSS vulnerability in our site and provided us with a comprehensive report that allowed us to patch it. He's now in our hall of fame: https://www.litmind.com/bughunters |
1 September, 2020
mender_io Michael from mender.io:
k0t helped us by reporting an XSS vulnerability. We were able to fix the issue thanks to their report, their help is much appreciated! |
19 August, 2020
CPCuk Rob from The CPC:
k0t helped disclose an XSS vulnerability on our website. With his help, we were able to patch this issue and close up the vulnerability. Thank you very much for your help, and thank you for helping to make the web a safer place. |
5 August, 2020
kkb5mobile Shinichi Ueno from Kagoshima Broadcastiong corporation:
Thank you for pointing out the vulnerability. Thanks to you, I was able to respond safely. |
27 July, 2020
TandyUKServers James Tandy from TandyUK Servers:
This researcher found and responsibly disclosed several XSS vulnerabilities on our clients site. Many Thanks for helping make the web a safer place in a responsible way. |
22 July, 2020
TandyUKServers James Tandy from TandyUK Servers:
Thank you very much for reporting the XSS vulnerability and your quick response. |
14 July, 2020
tnyaritm Tamas from Mediashop:
Many thanks for your efforts to report the vulnerability and helped us to fix it. I recommend this researcher! |
27 June, 2020
vmarci21 Marton :
Thank you for reporting the vulnerability! Your report help us to improve our page security. We are really appreciated your work. |
18 May, 2020
tnyaritm Tamás from Telemarketing International:
Many thanks for your efforts to find and help for fixing the vulnerability on our webshop. I recommend your skills for every website owner! |
18 May, 2020
AnimeCons Patrick from FanCons:
Found a number of XSS issues we had open. Very helpful info! |
15 May, 2020
CartRover William from CartRover:
Thank you very much for your detailed report and helping to make our site more secure. |
14 May, 2020
rundumsbaby rundumsbaby from rundumsbaby:
Thank you very much for reporting the XSS vulnerability and your quick response. |
13 May, 2020
Maik_U2 Maik from U2tour:
Thank you for finding SQLi and XSS bugs on our site. Great Work! Thanks for making the web a securer place. |
12 May, 2020
RuncornLinnets Steve P from Runcorn Linnets FC:
Many thanks for finding and reporting the issue on our website. Really appreciate the responsible approach. |
6 May, 2020
seedfinder j.a. from seedfinder:
thanks for using your time to make the world a better place - and specially for letting us know about the XSS problem!!! keep on the good work man! |
4 May, 2020
abyssws Technical support from Aprelium:
Thank you for spotting the XSS and for reporting it to us. The overall exchange was friendly and very professional. |
30 April, 2020
MartySoft liquidmaker :
Thank you k0t for finding the vulnerability. Friendly contact, thanks for the effort. |
20 April, 2020
conbinijapan Tanaka from Conbini:
Thank you for the bug report. I can recommend this security researcher. |
17 April, 2020
Hansaplastique Hansaplastique from www.weethet.nl:
Excellent, and very detailed, reporting! I highly recommend k0t! |
15 April, 2020
vovsoft Vovsoft from Vovsoft:
Thank you helping us finding and fixing vulnerabilities. |
13 April, 2020
jbossman Jason Boss from 153news.net:
The world thanks you for helping 153news.net stay safe. We are extremely lucky to have hackers who will help humanity. God bless you brother. |
13 April, 2020
jbossman Jason Boss from 153news.net:
The world thanks you for helping 153news.net stay safe. We are extremely lucky to have hackers who will help humanity. God bless you brother. |
7 April, 2020
Rumskkurs Andrey from UaBanks.com.ua:
Thank you for helping us find security problems on our website! |
31 March, 2020
admonaut Frank from Administartor Technology:
Many thanks for your support and assistance. Good job :-) |
31 March, 2020
aylab Albert from YatesSolutions:
Thank you for informing me of the issue you found and being so thorough with your details, finding and fixing the problem would have been hard without it. |
5 March, 2020
reinisroz Reinis from Orion.lv:
Thanks researcher for the xss vulnerability report. Appreciated! |
18 February, 2020
Travelmath John from Travelmath:
Great job finding a vulnerability. I have fixed the issue now, thanks for your help! |
17 February, 2020
bigwavedave_ca DaveB from BWD:
Many thanks to k0t for finding and reporting the XSS vulnerability on my website. |
17 February, 2020
juunkwan juukwan from AID-DCC:
Thank you for your polite response. It was very helpful. |
12 February, 2020
willytobler Gerhard Ziegler from local heroes:
Thank you very much for finding the XSS bug on our website and your responsible disclosure. You make the web a better place! Absolutely appreciated. |
10 February, 2020
MonnosGlobal Rafael Serrrano from MonnosGlobal:
Thank you for your work mate! We really appreciated, thanks for your time help us. The issue was reported promptly and follow up was fast. |
16 January, 2020
LiveAgent Ondrej from LiveAgent:
Thank you for reporting issue with our WordPress. We thought it had been already well protected, but after your report we decided to improve the security further. Good job. |
1 January, 2020
BBrunekreeft Bert Brunekreeft from Lobbes.nl:
Appreciated the discovery and notification of the xss vulnerability! Thanks! |
25 December, 2019
sandipkar44 Sandip Kar from LearnPick Technologies Inc:
k0t found a XSS Bug on our site, thanks for the research and the responsible disclosure!. Really appreciated. |
28 November, 2019
sanjurosaves sanjurosaves from John E. Allen Inc.:
Thank you so much for finding the vulnerability in our website and prompting the patch! |
26 November, 2019
timban4phuong Hen Ho from Tim Ban Bon Phuong:
Dear k0t, Thank you very much for your time, and professional help on this crucial security matter. Your report helped us identify the source of the vulnerability right away. |
14 November, 2019
cloudrexx Thomas Wirz from Cloudrexx AG:
Thank you very much for making us aware of the issue and providing us a high quality vulnerability report which helped us identify the source of the vulnerability right away. |
13 November, 2019
fislerdata fislerdata from FislerData:
Thank you for your work. The issue was reported promptly and follow up was fast. |
7 November, 2019
StaffsMatthew Matthew from scramble.gg:
Highly professional - spotted a number of issues with wordpress instance & was very fast at communicating. Internet hero! |
30 October, 2019
cpweather Christian from meteocentre.com:
Very nice to have warn me about a vulnerability! It has been patched very fast. Thanks for your kind help! |
30 October, 2019
cpweather Christian from meteocentre.com:
Very nice to have warn me about a vulnerability! It has been patched very fast. Thanks for your kind help! |
10 October, 2019
ziduniwien Zentraler Informatikdienst from University of Vienna:
Dear k0t, The University of Vienna would like to thank you for your valuable contribution in finding a website security issue. Your input is highly welcome and helps to raise the security level of our educational institution. Servus and greetings from Vienna, Austria. |
12 September, 2019
phdev6 ph-dev from Peter Hahn:
k0t found a XSS Bug on our site, thanks for the research and the responsible disclosure! |
11 September, 2019
westcacom Edwin from westca.com:
Thanks a lot for reporting a vulnerability on our website, you did an amazing work! |
7 September, 2019
dusalnet blogmn.net from blogmn.net:
Thank you for identifying the XSS issue on my site! You have been very helpful! |
22 August, 2019
SelectLine_GmbH Web-Team from SelectLine Software GmbH:
Thanks for pointing out a vulnerability on one of our websites. And for the professional support. |
14 August, 2019
convertunits John from Convert Units:
Great job finding a vulnerability. I have fixed the issue now, thanks for your help! |
19 July, 2019
AndyTrier Andreas from KV Trier-Saarburg:
He found the next bug on our Website! THANK YOU Professional help, great work! |
11 July, 2019
AndyTrier Andreas from KV Trier-Saarburg:
Dear k0t, Thank You. You make a very good job. With your indications we can fixed the bug in few minutes. Thank you! |
8 July, 2019
AndyTrier Andreas from KV Trier-Saarburg:
Thank you for reporting XSS vulnerability. Great work! |
28 June, 2019
hearthstonehu Bence from Hearthstone Hungary:
Thank you for reporting the XSS vulnerability on my website. You helped me find the issue, and now the website is safer, thanks to you! |
27 June, 2019
RMV1983 Michael from eduvdom:
Thanks for the report of the security research. This helped to find and fix the problem. |
22 June, 2019
PaulAtTheHug TallPaul from WalkLakes:
Not only found some XSS vulnerabilities but, by doing so, lead us to spot some others which hadn't yet been picked by anyone. So most helpful. |
17 June, 2019
opensolr Ciprian Dimofte from Opensolr SRL:
Thank you very much for your time, and professional help on this crucial security matter. This could have been catastrophic for our business, would it not have been for your great work ! |
6 June, 2019
aapit David Spreekmeester from Grrr:
Thanks to k0t's sharp observations, we were made aware of a security issue and could patch it before it caused any troubles. |
3 June, 2019
wirismath Marketing & Communications from WIRIS MATH:
Thanks to k0t indications, we were able to fix a vulnerability in one of our websites quickly. Now this website is much safer for everyone |
30 May, 2019
MalagaCarCom Ruben from MalagaCar.com:
Hi k0t, we've followed your indications and have fixed the vulnerability in a few minutes. Thank you very much! |
28 May, 2019
ziduniwien Computer Center from University of Vienna:
Dear k0t, 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. |
17 May, 2019
derbarkeeper mixable from mixable:
Thank you for reporting XSS vulnerability. Great work! |
17 May, 2019
derbarkeeper mixable from mixable:
Thanks k0t for reporting XSS vulnerability on our website! |
16 May, 2019
biblegateway Bible Gateway from Bible Gateway:
This person's report was accurate and allowed us to implement a fix quickly. Thank you! |
21 April, 2019
AniDBStatus AniDB from AniDB:
Thank you for reporting this bug. We appreciate your work! |
18 April, 2019
myparadisio Yves from Paradisio:
Thanks k0t, for pointed out two XSS vulnerabilities on our website! Your input was very much appreciated! |
2 April, 2019
RESTPOSTENde Christoph from GKS Handelssysteme GmbH:
Thanks k0t for disclosing another issue to us - With your support, we could patch it immediately. |
29 March, 2019
RESTPOSTENde Christoph from GKS Handelssysteme GmbH:
Thanks k0t for pointing the finger to a vulnerability on our website. Through his support we were able to patch it in almost no time. It's guys like him that make the internet a better and safer place! |
27 March, 2019
Shadertoy Note from Beautypi:
Thanks k0t for your research, it helped us make the website better. We appreciate your work! |
26 March, 2019
ClementBourgoin Clément Bourgoin from Biblys:
Thanks for warning me about a forgotten phpinfo file! |
19 March, 2019
interactmultim1 Christian from interact!multimedia:
Thank you k0t for reporting this bug. We appreciate your work! |
1 March, 2019
uniteddomains united-domains from united-domains:
Thank you k0t for reporting this bug. We appreciate your work! |
14 February, 2019
DomainMOD Greg Chetcuti from DomainMOD:
Thanks a lot for the report! We completely missed this vulnerability ourselves and are happy that you caught it! |
14 February, 2019
fisher_of_men11 Andy from Mudconnect.com:
Thank you for helping me find and fix the XSS vulnerability on mudconnect! |
12 February, 2019
dsmithgard Dan Smith from Patton Electronics:
Very helpful and responsive in helping me get my issue fixed. |
7 February, 2019
rtvde rtvde from rtv media Group GmbH:
Thanks a lot for pointing us to that XSS-flaw. It should now be fixed. |
24 January, 2019
astroseekcom Petr9 from Astro-Seek.com:
Thank you k0t for XSS vulnerability report. It has been fixed. |
18 January, 2019
laufpix laufpix from laufpix.de:
Thanks for reporting a vunlerability on our website. He provided all the information needed and responded extremely fast. Our website is more secure now. |
11 January, 2019
webdekd Note from Dek-D:
Thank you k0t for information that helped me fix vulnerabilities on my website. |
9 January, 2019
Mikroelektron11 Aleksa from MikroElektronika:
I wanted to thank you for reporting XSS flaw on our website, for helping us to make our site secure. |
7 January, 2019
_light_dem Matteo from Mys:
Fast and professional on replay he helped us found a vulnerability Xss |
12 December, 2018
teachercorner Chad from TeachersCorner:
Thank you kOt for notifying us of this bug, and tips on how to fix it. We appreciate your research! |
24 October, 2018
wirthundhorn Support from dtv.de:
Thank you k0t for the quick response that helped us fixing vulnerabilities on the page! |
24 July, 2018
kathleenyano Kathleen :
Thank you k0t for finding an issue and providing a clear explanation of it. We are happy we were able to resolve it before it affected anyone and we couldn't have done it without your report. |
8 May, 2018
JayGilmore Jay Gilmore from MODX Systems, LLC:
k0t is a true professional. They provided all the information needed and responded extremely fast. What more could you ask for? Our site is more secure as a result. |
23 March, 2018
khusroks S Khan from Projectmanagement:
Thank you k0t for being helpful and professional in helping us patch vulnerabilities. |
6 December, 2017
tfencl toddf :
k0t found a vulnerability and quickly responded providing additional information and PoC examples. Thank you very much for the quick response and for making the Internet a little safer by bringing this to us. |
26 July, 2017
kovyrin Oleksiy Kovyrin from Swiftype Inc:
k0t has identified an XSS vulnerability on our website, provided us with all the necessary details to reproduce the problem and was really helpful in testing the site after we have applied our fixes. Thank you! |
29 December, 2016
evergreen_uk Chris from Evergreen Computing Ltd:
k0t located 2 vulnerabilities on our company site. When contacted k0t responded quickly with all the information needed to fix them and was quick to retest once they had been fixed. Thanks k0t! |
29 November, 2016
ActOnSoftware Jahvita Rastafari from Act-On Software:
With the assistance of k0t, we were able to identify and correct the issue quickly. Thank you for working with us to make the web a safer place for all. |
23 November, 2016
MagnusJacobi Magnus from Jigidi.com:
k0t located several vulnerabilities on our site and replied very fast with useful information. Thanks for taking the time to help us. |
26 October, 2016
Mr_Papercut Mischa from Symbaloo:
Thank you k0t for the quick reply to our emails. The provided information was complete and helped us identify the issue right away. Let's keep on making the web a safer place |
Honor Badges
Number of Secured Websites
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10+ Websites
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50+ Websites
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500+ Websites
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WEB SECURITY VETERAN
1000+ Websites
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Advanced Security Research
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WAF Bypasser
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CSRF Master
30+ Reports
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AppSec Logic Master
30+ Reports
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Fastest Fix
Fix in 24 hours
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Outstanding Achievements
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Secured OBB
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OBB Advocate
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Improved OBB
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Commitment to Remediate and Patch
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Patch Master
55% Patched
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Patch Guru
65% Patched
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Patch Lord
75% Patched
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Recommendations and Recognition
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REPUTABLE
10+ Recommends
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FAMOUS
25+ Recommends
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GLOBALLY TRUSTED
50+ Recommends
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Distinguished Blog Author
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1 Post
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3 Posts
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5+ Posts
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Research Statistics
Total reports: | 6413 |
Total reports on VIP sites: | 1096 |
Total patched vulnerabilities: | 4437 |
Recommendations received: | 130 |
Active since: | 05.05.2016 |
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 Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month Top VIP Security Researcher of the Month 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 Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week Top VIP Security Researcher of the Week |
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