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BLACKOUT CTF — LOADING…

We break systems
before attackers do.

Nexploit Security Operations is an offensive security studio — penetration testing, vulnerability research, bug bounty work, and hand-built CTF experiences.

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About Us

Three engineers. One obsession with offense.

Nexploit was founded to bring real red-team thinking to companies and to the CTF community — built and run end to end by its founders.

Ayush Kumar

Founder · Security Engineer

Leads offensive engineering at Nexploit — penetration testing, exploit development, and the CTF challenges you're about to break your head over.

Akshay Anand

Founder · Cloud Engineer

Runs the cloud infrastructure and business side of Nexploit — keeping every engagement, deployment, and CTF instance running smoothly.

Sahil Kumar

CTO · Infrastructure & Security

Builds and secures the Nexploit platform — managing infrastructure, CTF deployments, and the challenges that keep you up at night.

What we do: penetration testing consulting, vulnerability research, bug bounty engagements, and CTF design & hosting — built for companies who want real answers, not a checkbox scan.

Full profiles → Work with us →
Capture The Flag

What's running, what's coming.

Every challenge below is hand-built in house — no template boxes, no recycled writeups.

STATUS

BLACKOUT CTF

A 6-hour jeopardy-style CTF hosted on our own CTFd instance. Web exploitation, reverse engineering, OSINT and full attack chains — themed around a certain fictional conglomerate.

DateSeptember 13, 2026
FormatJeopardy · 12 hours
RegistrationUnstop
RewardsCash prizes + certificates
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More Details →
Web

Fsociety Mail Server

Web Exploitation

JWT algorithm confusion chained into server-side template injection.

Linux

Ascent to Root

Web → Linux Priv Esc

A multi-stage attack chain from a web foothold all the way to root.

RE

Evil Corp Vault

Reverse Engineering

A custom bytecode VM with anti-debug tricks guarding the flag.

OSINT

Allsafe Login

OSINT · Web

A Mr. Robot–themed hunt across open-source intelligence and the web.

Beyond Evil Corp CTF, Nexploit challenges have shipped on HackTheBox, and our team runs live bug bounty engagements via HackerOne.

Coming Soon

Nexploit Academy

We're building a place for students to actually learn cybersecurity — hands-on labs, guided CTFs, and real offensive-security fundamentals, taught the way we wish we'd been taught.

Contact

Let's talk security.

Whether it's a penetration test, a bug bounty engagement, or you just want to register a team for Evil Corp CTF — reach out.

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Websitenexploit.in