I work as a QA and part time bountyhunter. @hackerone @bugcrowd @intigriti Plenum
Joined January 2018
- Tweets 1,010
- Following 396
- Followers 3,452
- Likes 1,744
118 Photos and videos
Pinned Tweet
1 Aug 2023
I just published Identifying and Exploiting Unsafe Deserialization in Ruby XMLRPC link.medium.com/tc9mOBQlUBb
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plenum πΉπ³ retweeted
11 Jun 2025
Launching today!
Volerion transforms raw CVEs into structured and instant insights
#CVE #CyberSecurity #infosec
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20 Jun 2024
The new critical content injection, quality over quantity
18 Jun 2024
U.S. Dept Of Defense disclosed a bug submitted by ezequielpuig: hackerone.com/reports/218824β¦ #hackerone #bugbounty
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8 May 2024
CVSS: custom vulnerability scoring system
8 May 2024
π§
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3 May 2024
A. Why would you hack on VDP's as a researcher ? Making the world a better place
B. And for platforms if a company has a security budget of next to zero then why even trying to sell them a bugbounty program.
28 Apr 2024
Shots fired on the pod last week on whether programs are incentivised NOT to pay.
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4 Nov 2023
Creative CVSS scoring 101, don't read the docs dont follow the rules , freestyle your way into it
4 Nov 2023
HackerOne disclosed a bug submitted by @bebiksior: hackerone.com/reports/218052β¦ - Bounty: $2,500 #hackerone #bugbounty
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23 Oct 2023
0 submissions ranked 17
Efficiency level π―
#1337UP1023 #KnightsOfElectron
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plenum πΉπ³ retweeted
23 Oct 2023
This is how 100 elite hackers look like after smashing @IntelSecurity's live hacking event with @intigriti. Who would love to attend our next LHE? πββοΈ
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22 Oct 2023
Had an amazing time participating in #1337UP1023 in Lisbon
Meeting alot of great people, discussing findings sharing insights and learning from other hackers.
Thanks @intigriti for another successful LHE, thanks @IntelSecurity for this great opportunity and for the bounties
21 Oct 2023
Our #KnightsOfElektron live hacking event in π΅πΉ with @IntelSecurity has concluded!
π― Hackers
π²3β£0β£2β£,8β£0β£8β£ Paid
π 428 submissions
π MVH Best bug & team: @arneswinnen & @MattiBijnens
π₯ 1st leaderboard place: @erbbysam
πͺ² Most bugs: @p4fg
π Best PoC: @Karel_Origin
Congrats to all participants! πππ
#1337UP1023 #HackWithIntigriti
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23 Aug 2023
If you are a cybersecurity professional, bugbounty hunter or interested in cybersecurity in general here is the only newsletter you will ever need
@securibee
buttondown.email/hivefive
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1 Aug 2023
this wouldn't have been possible without prior research by @wcbowling @lukejahnke @_staaldraad
staaldraad.github.io/post/20β¦
elttam.com/blog/ruby-deseriaβ¦
devcraft.io/2021/01/07/univeβ¦
1 Aug 2023
I just published Identifying and Exploiting Unsafe Deserialization in Ruby XMLRPC link.medium.com/tc9mOBQlUBb
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25 Jun 2023
Had an amazing time at #1337UP0623. Witnessing experts in action, bright minds working together, and sharing insights was truly inspiring. Grateful for the opportunity to be part of this remarkable event!
Thank you to all the @intigriti team working hard to make this possible.
25 Jun 2023
Unbelievable! Our #1337UP0623 event has finished with β¬260,000 on the leaderboard. Big congratulations to our award winners: @MattiBijnens (Hacker Hero π₯), @honoki, @arneswinnen, @holme_sec & @Karel_Origin!
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24 Jun 2023
Congrats @MattiBijnens well done
24 Jun 2023
This is how an ethical hacker looks after you tell them that their team just scored β¬40,000 for a single bug. Amazing work by @MattiBijnens, @arneswinnen and @honoki!
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31 Mar 2023
Just scored a reward @intigriti, check my profile: app.intigriti.com/profile/pl⦠#HackWithIntigriti
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21 Mar 2023
Just scored an exceptional @intigriti, check my profile: app.intigriti.com/profile/pl⦠#HackWithIntigriti
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