Olivier (@_holyvier_) 's Twitter Profile
Olivier

@_holyvier_

Pentester and security researcher.
BlueSky: @holyvier.bsky.social

ID: 375351152

calendar_today18-09-2011 00:01:32

108 Tweet

380 Followers

38 Following

HAK_MTL (@hak_mtl) 's Twitter Profile Photo

► HAK_MTL IS AVAILABLE ONLINE! 🖥 : bit.ly/hakmtl_vimeo 🍏 : bit.ly/hakmtl_itunes 📦 : bit.ly/hakmtl_amazon journeymanvod vimeo.com/328845797

ΡΛSCΛLSΞC (@pascalsec) 's Twitter Profile Photo

Hey HackerOne hackers and followers out there. Dynatrace is running a private program on H1. Retweet and send me your H1 username and I will invite you 😎 dynatrace.com/news/blog/dyna…

MontréHack (@montrehack) 's Twitter Profile Photo

Wednesday July 17: Anti-debugging workshop by Alexandre Beaulieu hosted by Shopify! Mandatory registration here: eventbrite.ca/e/billets-mont… Details here: montrehack.ca

MontréHack (@montrehack) 's Twitter Profile Photo

MontréHack this month: hosted by Banque Nationale and presenting Java challenges from Olivier. Registration will open before we have a full description. Stay tuned!

MontréHack (@montrehack) 's Twitter Profile Photo

MontréHack de novembre annoncé: montrehack.ca Défis Java par Olivier de NorthSec et du OWASP Mini-CTF au Hackfest.ca Inscriptions: eventbrite.ca/e/montrehack-d…

MontréHack de novembre annoncé: montrehack.ca

Défis Java par <a href="/_holyvier_/">Olivier</a> de <a href="/NorthSec_io/">NorthSec</a> et du OWASP Mini-CTF au <a href="/hackfest_ca/">Hackfest.ca</a>

Inscriptions: eventbrite.ca/e/montrehack-d…
MontréHack (@montrehack) 's Twitter Profile Photo

Registration now open for MontréHack h0h0h0day 📅: Dec 18th 6pm-11pm 📋: h0h0h0.montrehack.ca ℹ️: montrehack.ca 🎁: Challenge Xchange with free food, booze and surprises! Sponsored by NorthSec!

Registration now open for MontréHack h0h0h0day
📅: Dec 18th 6pm-11pm
📋: h0h0h0.montrehack.ca
ℹ️: montrehack.ca
🎁: Challenge Xchange with free food, booze and surprises!
Sponsored by <a href="/NorthSec_io/">NorthSec</a>!
NorthSec (@northsec_io) 's Twitter Profile Photo

Our 2020 CFP is open! The first round closes at the end of the month and we really recommend you apply now for a better chance of being selected. We usually target specific topics in round 2. cfp.nsec.io/2020/

NorthSec (@northsec_io) 's Twitter Profile Photo

[CONTEST] Post a picture of yourself! Break the stereotypical image of cybersecurity professionals and hackers. #DoWeLookLikeHackers #NSEC2021 #cybersecurity #infosec #Hackers Contest starts now and ends on 26th of February See the rules here: nsec.io/contest-2021/

[CONTEST] Post a picture of yourself!
Break the stereotypical image of cybersecurity professionals and hackers.
#DoWeLookLikeHackers #NSEC2021 #cybersecurity #infosec #Hackers
Contest starts now and ends on 26th of February
See the rules here: nsec.io/contest-2021/
NorthSec (@northsec_io) 's Twitter Profile Photo

Here is a positive, well written and responsible vulnerability disclosure, containing all relevant information to understand not only what can be improved, but also what was done right. Hands down Marc-Etienne M.Léveillé

s1r1us (@s1r1u5_) 's Twitter Profile Photo

Finally, here is the blog for the prototype pollution research we did. "A tale of making internet pollution free" - Exploiting Client-Side Prototype Pollution in the wild pwn.af/research/pp

Finally, here is the blog for the prototype pollution research we did.

"A tale of making internet pollution free"
 - Exploiting Client-Side Prototype Pollution in the wild

pwn.af/research/pp
RingZer0 Team CTF (@ringzer0_ctf) 's Twitter Profile Photo

Unfortunately, the RingZer0 Team hosting provider is coming to an end. We are looking for a new sponsor to host our challenges and portal. We are grateful for all the years that Claranet has hosted RingZer0. linkedin.com/posts/ringzer0…

A.D. Cybulski (@adcybulski) 's Twitter Profile Photo

Putting together a panel for CGSA ACÉJ on e-Sports communities, cheating, play and production. Get in touch if this sounds like your bag.