Capture the Flag Hacking Challenge
A Penetration Testing–Style CTF Competition
Ready to prove your skills in a real-world hacking scenario?
Join Red Sentry’s virtual Capture the Flag (CTF) competition—a cybersecurity challenge built by ethical hackers, for ethical hackers.
Next CTA challenge:
Capture the Flag Hacking Challenge
A Penetration Testing–Style CTF Competition
A Penetration Testing–Style CTF Competition
Ready to prove your skills in a real-world hacking scenario?
Join Red Sentry’s virtual Capture the Flag (CTF) competition—a cybersecurity challenge built by ethical hackers, for ethical hackers.
Next CTF challenge:
35 : 23 : 05 : 46
Capture the Flag Hacking Challenge
A Penetration Testing–Style CTF Competition
Ready to prove your skills in a real-world hacking scenario?
Join Red Sentry’s virtual Capture the Flag (CTF) competition—a cybersecurity challenge built by ethical hackers, for ethical hackers.
Next CTA challenge:
Capture the Flag Hacking Challenge
A Penetration Testing–Style CTF Competition
Ready to prove your skills in a real-world hacking scenario?
Join Red Sentry’s virtual Capture the Flag (CTF) competition—a cybersecurity challenge built by ethical hackers, for ethical hackers.
Next CTF challenge:
35 : 23 : 05 : 46
EVENT OVERVIEW
Pentest CTF
This CTF is designed for both new and experienced security professionals. Whether you're sharpening your skills or proving your expertise, the event offers a challenge for hackers interested in penetration testing and vulnerability discovery.
Pentest CTF
This CTF is designed for both new and experienced security professionals. Whether you're sharpening your skills or proving your expertise, the event offers a challenge for hackers interested in penetration testing and vulnerability discovery.
Pentest CTF
This CTF is designed for both new and experienced security professionals. Whether you're sharpening your skills or proving your expertise, the event offers a challenge for hackers interested in penetration testing and vulnerability discovery.
Pentest CTF
This CTF is designed for both new and experienced security professionals. Whether you're sharpening your skills or proving your expertise, the event offers a challenge for hackers interested in penetration testing and vulnerability discovery.
Meet the CTF Makers
Our Capture the Flag challenges aren’t autogenerated—they’re handcrafted by brilliant minds who live and breathe security. From clever puzzles to complex exploits, these challenges are designed to test your skills and stretch your thinking.
Meet a few of the creators who brought this CTF to life:
remonsec
Challenge Creator
->
Max Turner
Security Product Manager at Red Sentry
->
Meet the CTF Makers
Our Capture the Flag challenges aren’t autogenerated—they’re handcrafted by brilliant minds who live and breathe security. From clever puzzles to complex exploits, these challenges are designed to test your skills and stretch your thinking.
Meet a few of the creators who brought this CTF to life:
remonsec
Challenge Creator
->
Max Turner
Security Product Manager at Red Sentry
->
Meet the CTF Makers
Our Capture the Flag challenges aren’t autogenerated—they’re handcrafted by brilliant minds who live and breathe security. From clever puzzles to complex exploits, these challenges are designed to test your skills and stretch your thinking.
Meet a few of the creators who brought this CTF to life:
remonsec
Challenge Creator
->
Max Turner
Security Product Manager at Red Sentry
->
Meet the CTF Makers
Our Capture the Flag challenges aren’t autogenerated—they’re handcrafted by brilliant minds who live and breathe security. From clever puzzles to complex exploits, these challenges are designed to test your skills and stretch your thinking.
Meet a few of the creators who brought this CTF to life:
remonsec
Challenge Creator
->
Max Turner
Security Product Manager at Red Sentry
->
Meet the CTF Makers
Our Capture the Flag challenges aren’t autogenerated—they’re handcrafted by brilliant minds who live and breathe security. From clever puzzles to complex exploits, these challenges are designed to test your skills and stretch your thinking.
Meet a few of the creators who brought this CTF to life:
remonsec
Challenge Creator
->
Max Turner
Security Product Manager at Red Sentry
->
Meet the CTF Makers
Our Capture the Flag challenges aren’t autogenerated—they’re handcrafted by brilliant minds who live and breathe security. From clever puzzles to complex exploits, these challenges are designed to test your skills and stretch your thinking.
Meet a few of the creators who brought this CTF to life:
remonsec
Challenge Creator
->
Max Turner
Security Product Manager at Red Sentry
->
9.28
DATE
->
XXX
TIME
->
Virtual – open
to participants worldwide
LOCATION
->
Difficulty
->
Free
COST
->
9.28
DATE
->
XXX
TIME
->
Virtual – open
to participants worldwide
LOCATION
->
Difficulty
->
Free
COST
->
9.28
DATE
->
XXX
TIME
->
Virtual – open
to participants worldwide
LOCATION
->
Difficulty
->
Free
COST
->
Want to create your own challenge for a future CTF?
Want to create your own challenge for a future CTF?
We’re always looking for passionate contributors. Reach out to our team to learn more about becoming a challenge author.
Want to create your own challenge for a future CTF?
Want to create your own challenge for a future CTF?
We’re always looking for passionate contributors. Reach out to our team to learn more about becoming a challenge author.
Want to create your own challenge for a future CTF?
Want to create your own challenge for a future CTF?
We’re always looking for passionate contributors. Reach out to our team to learn more about becoming a challenge author.
Rewards & Recognition
Rewards & Recognition
Our CTF is all about sharpening skills, building community, and having a blast. But let’s be honest, bragging rights and sweet prizes make it even better.
We're still finalizing prize packages—stay tuned for more!
PREVIOUS CHALLENGES RANK:
PREVIOUS CHALLENGES RANK:
PLACE
USER
COVERAGE
1
80%
Eftasib Araf Depro
2
60%
Jeff Cagle
3
53%
Abdur Rahman Maheer
4
40%
Sheikh Ali Akbar
5
33%
Aftab Sama
6
27%
Harsh
7
27%
Vidya Shree
8
27%
Zakaria Farahi
9
20%
Mahbubur Rahman Soraf
10
20%
MOSADDIK AHMED TAKI
Register Now for Red Sentry’s 2025 CTF
CTF Hacking Challenge
Register Now for
Red Sentry’s CTF
Ready to get (ethically) hacking? Register now for Red Sentry’s Capture the Flag challenge to secure your spot. Registrants will receive access details, event instructions, and updates leading up to the competition. Join a global community of cybersecurity pros for a day of hands-on hacking, learning, and bragging rights.
Register Now for Red Sentry’s 2025 CTF
CTF Hacking Challenge
Register Now for
Red Sentry’s CTF
Ready to get (ethically) hacking? Register now for Red Sentry’s Capture the Flag challenge to secure your spot. Registrants will receive access details, event instructions, and updates leading up to the competition. Join a global community of cybersecurity pros for a day of hands-on hacking, learning, and bragging rights.