The organizers of the 2025 PTIT CTF competition have just announced the official results of the qualifiers, which took place on the largest scale ever. The round attracted 123 teams with nearly 490 students, showing the strong spread of the learning and research movement in the field of information security at the Post and Telecommunications Technology Academy.
After the evaluation process, the Organizing Committee selected the 30 best teams to enter the 2025 PTIT CTF Finals, scheduled for December 25. 21/9/2025 at both ends of the bridge: Ha Dong grassroots PTIT and HCMC PTIT Base.

Final Round Structure
The teams are divided into two groups as follows:
PTIT-HN Table 25 teams from PTIT Hanoi:
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Lugia
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DDHT
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ZeroTrace
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M3RC3N4RY
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R00t 4nd B00T
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Hunt19
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z3r0 t0 h3r1
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SECJOTA
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Obsidian
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c4 n0c ck4n
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wh0ami.sh
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SBCB
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N3ko see u
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YenXa 404
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0LdMan
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Sold13rs
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F4N
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0xL33t
-
Blue whale
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Beef noodle soup
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chuppi chuppii
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H4ck3rl0rd
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Flagly Hunters
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Uncle4
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r0ly p0ly
PTIT-HCM consisting of 5 teams from PTIT Ho Chi Minh City:
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3xpl017Cr3w
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Aw4k3n
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f4n n3r0
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tml
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n0 fl6g N0 l0ve
Preparations for the Finals
In order to support the teams to improve their skills and access specialized knowledge, the Organizing Committee said it would deploy technical seminars before the finals. Teams were advised to closely follow up on further announcements to participate fully.
The 2025 PTIT CTF Finals are expected to continue to be an exciting playground, creating a realistic rubric and contributing to the discovery of young talents in the field of information security.
Details and updates are posted on the official pageant website at the address: ctf.ptit.edu.vn.
POST AND TELECOMMUNICATIONS TECHNOLOGY SECURITY SCHOOL (PTIT)
Address: 10th Floor, Building A2, Posts and Telecommunications Technology Academy,
Km10, Nguyen Trai Road, Q. Ha Dong, Hanoi
Website: https://infosec.ptit.edu.vn
Email: attt@ptit.edu.vn
Fanpage: facebook.com/KhoaATTT.PTIT