Competitions and CTFs

Beginner Competitions

NCAE Cyber Games

NCAE Cyber Games is a small network defense competition for college students who have never participated in a competition before.

Master the Sandbox

Hivestorm

Hivestorm is a endpoint defense competition. Teams compete by securing provided Windows and Linux based virtual machines

Storm the Hive

Intermediate Competitions

DoE CyberForce

Competition scenarios have an energy focus. Previous scenarios have focused on power distributors, water infrastructure and power delivery systems.

Protect the Grid

PicoCTF

Challenges are more programming focused and they increase in difficulty as players progress.

Crack the Code

Advanced Competitions

CCDC

Teams assume administrative and protective responsibilities for an existing network - typically a small company with 50+ users, 7 to 10 servers, and common Internet services

Mount the Defense

CPTC

The Collegiate Penetration Testing Competition focuses on mimicking the activities of a real-world pen test in a virtual enterprise enviroment

Breach the Defenses

Upcoming CTFs from CTFtime

m0leCon CTF 2026 Teaser

Starts: Oct 24, 2025, 5:00 PM

Ends: Oct 25, 2025, 5:00 PM

Duration: 1 days, 0 hours

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RSTCON 2025 CTF

Starts: Oct 24, 2025, 7:00 PM

Ends: Oct 26, 2025, 2:00 PM

Duration: 1 days, 19 hours

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2025 Qiangwang Challenge on Cyber Mimic Defense Qualification

Starts: Oct 25, 2025, 1:00 AM

Ends: Oct 26, 2025, 1:00 AM

Duration: 1 days, 0 hours

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osu!gaming CTF 2025

Starts: Oct 25, 2025, 2:00 AM

Ends: Oct 27, 2025, 2:00 AM

Duration: 2 days, 0 hours

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DEADFACE CTF 2025

Starts: Oct 25, 2025, 2:00 PM

Ends: Oct 27, 2025, 12:00 AM

Duration: 1 days, 10 hours

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SAS CTF 2025 Finals

Starts: Oct 26, 2025, 3:00 AM

Ends: Oct 26, 2025, 2:00 PM

Duration: 0 days, 11 hours

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Iran Tech Olympics Attack-Defense 2025

Starts: Oct 27, 2025, 6:30 AM

Ends: Oct 27, 2025, 6:30 PM

Duration: 0 days, 12 hours

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Iran Tech Olympics Speed-Run CTF 2025

Starts: Oct 28, 2025, 6:30 AM

Ends: Oct 28, 2025, 6:30 AM

Duration: 0 days, 0 hours

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Iran Tech Olympics Hardware Security 2025

Starts: Oct 29, 2025, 6:30 AM

Ends: Oct 29, 2025, 6:30 PM

Duration: 0 days, 12 hours

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PH03N1X V1P3R N0V4 CTF

Starts: Oct 29, 2025, 10:00 AM

Ends: Oct 31, 2025, 5:00 PM

Duration: 2 days, 7 hours

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V1t CTF 2025

Starts: Oct 31, 2025, 1:00 PM

Ends: Nov 2, 2025, 1:00 PM

Duration: 2 days, 0 hours

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Haunted Pumpkin CTF '25

Starts: Oct 31, 2025, 5:00 PM

Ends: Nov 1, 2025, 10:59 PM

Duration: 1 days, 5 hours

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Hackloween 2025

Starts: Nov 1, 2025, 2:00 AM

Ends: Nov 2, 2025, 2:00 AM

Duration: 1 days, 0 hours

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N1CTF 2025

Starts: Nov 1, 2025, 12:00 PM

Ends: Nov 2, 2025, 12:00 PM

Duration: 1 days, 0 hours

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CTF@AC - Finals

Starts: Nov 7, 2025, 3:00 PM

Ends: Nov 9, 2025, 9:00 AM

Duration: 1 days, 18 hours

View on CTFtime