TCDC

Defend a live network in a day

Collegiate cyber defense competitions in the CCDC tradition, run by TxCR. Student teams harden and operate a business network while an industry red team attacks it.

Upcoming events

Sat 21 Nov 2026[Venue to confirm]

TCDC 1 Open Competition

Open to student teams. Each team inherits the same company network and keeps it running for a full day while an industry red team attacks. Hosted with CYBR.SEC.Community.

[Registration is by invitation only]

Date to confirmTCDC SMC: senior military colleges only
[Details to confirm]
ArchiveTCDC Alpha: 9 teams, 7 schools, industry red team
View results
2027Future TCDC events, dates to be announced
Get notified

Follow upcoming events

Get notice when dates are announced, plus the rules, network diagram and results after each event.

Join the community

CYBR.SEC.Community brings students, coaches and practitioners together to train, share tools and form teams.

[Community link to confirm]

How a TCDC works

  1. Get invited

    Teams join by invitation. Contact us for details about TCDC 1.

  2. Prepare

    Read the rules and network briefing, assign roles and rehearse. [Prep materials to confirm]

  3. Defend on event day

    Keep services up, complete business injects and write incident reports while the red team attacks. TCDC 1 is open to student teams.

  4. Debrief

    The white team publishes scores. The red team walks through what it found and how.

Blue teams are students who defendRed team is an industry attack crewWhite team scores and officiates

What participants say

[Participant name]
[School, role, event]
[Quote from a participant, coach or red teamer goes here once collected after TCDC Alpha.]

Who takes part

You do not need prior competition experience. You need skills that fit the network, time to work hard with a team, and the aim of keeping real systems running.

Student blue teams

Systems, networking, security and software students from any major.

Coaches and faculty

Advisors who prepare teams and use results in their programs.

Industry red team

Practitioners who attack, observe and debrief with students.

Government and military observers

Reviewers who watch the scoring and meet emerging defenders.

Compete here, carry it forward

TCDC follows the collegiate defense model used by the National CCDC, so skills and habits carry over. Start at TCDC 1, step up to SMC if your college qualifies, then take the format to CCDC-style events. [Pathway to confirm]

TCDC 1

An open day for student teams to defend the same network and be scored on the same rules.

TCDC SMC

A dedicated event for the senior military colleges, with its own scoreboard.

CCDC-style events

Regional and national collegiate defense competitions that use the same blue, red and white team format.

Results and reports

Open the archive

Standings, scoring detail and red team write-ups from past events.

Recent publications
TCDC Alpha
Final standings for all nine teams

Placement with uptime, injects, reports and red team hits for each team. [Data to add]

TCDC Alpha
Red team debrief: what the attackers found

Common weaknesses seen across teams and how the best teams closed them. [Report to add]

Methodology
How scoring works and why

Metric definitions, weights and the rules of engagement for the red team. [Document to add]