Update index.md

Author: luxor37

index.md

@@ -10,6 +10,10 @@ Cubermitis members have been very successful in every competition to which they'
 - [HackQc 2019](https://hackqc.ca/hackqc-2019/) (1st place)
 
 **CTFs**
+- [NorthSec 2025](https://nsec.io/) (Team ranked 21st out of 93)
+- [NorthSec 2024](https://nsec.io/) (Team ranked 18th)
+- [Linux Meetup 2023](https://www.rencontres-linux.quebec/) (Team ranked 3rd)
+- [NorthSec 2023](https://nsec.io/)
 - [We Are Cyber Security Students CTF](https://www.concordia.ca/cuevents/offices/provost/ssc/2019/09/28/we-are-cyber-security-launch.html) (1st and 2nd place)
 - [NorthSec 2020](https://nsec.io/) (members in 1st place and 20th place)
 - [17 years of Linux Meetup CTF](https://agendadulibre.qc.ca/events/2121) (1st place)