Vietnam punches well above its weight in offensive security, and the HackerDNA leaderboard reflects it. 213 Vietnamese ethical hackers are currently ranked, led by cuongkhtnk09 on 1916 XP. xanx0 sits in second (1850 XP) and fornetube rounds out the podium on 800 XP. The board is recalculated daily - last updated Jul 21, 2026.

Top Ethical Hackers in Vietnam

21 Jul 2026 Updated Hourly

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Showing top hackers from Vietnam (50 hackers)
2
xanx0
xanx0 🥈
Vietnam
1,850 XP
4 0
👑
1
cuongkhtnk09 Pro
cuongkhtnk09 🥇
Vietnam
1,916 XP
4 0 2
3
fornetube
fornetube 🥉
Vietnam
800 XP
1 0
Biggest Climber
+17087 ranks
Longest Streak
2 days 🔥
Root Flag Master
4 flags
1 countries
14,694 combined XP
4 online now
Rank User Country XP
1 🥇
Global #172
cuongkhtnk09's Avatar
Pro
Junior
+424 XP this week
Vietnam
1916 13 4 0 0 6
2 🥈
Global #180
xanx0's Avatar
xanx0 🔥
Junior
Vietnam
1850 13 4 0 0 0
3 🥉
Global #426
Vietnam
800 11 1 0 0 0
4
Global #533
Vietnam
700 9 2 0 0 0
5
Global #688
Khoart2's Avatar
Junior
Vietnam
570 8 1 0 0 0
6
Global #709
vesviet's Avatar
Apprentice
Vietnam
550 10 1 0 0 0
7
Global #820
TD277's Avatar
Apprentice
Vietnam
450 7 1 0 0 0
8
Global #903
Alexpham's Avatar
Apprentice
Vietnam
408 7 1 0 0 8
9
Global #909
duyhuyh's Avatar
Apprentice
Vietnam
400 7 1 0 0 0
10
Global #1019
Vietnam
351 6 1 0 0 0
11
Global #1032
BanMT's Avatar
Apprentice
Vietnam
350 6 1 0 0 0
12
Global #1032
nttking's Avatar
Apprentice
Vietnam
350 6 1 0 0 0
13
Global #1032
paulette's Avatar
Apprentice
Vietnam
350 6 0 0 0 0
14
Global #1239
binhbet's Avatar
Apprentice
Vietnam
300 5 1 0 0 0
15
Global #1435
Happy's Avatar
Apprentice
Vietnam
250 5 0 0 0 0
16
Global #1435
Rainfall's Avatar
Apprentice
Vietnam
250 5 0 0 0 0
17
Global #1628
nguyenchidung's Avatar
Apprentice
Vietnam
216 4 0 0 0 1
18
Global #1665
Thatme05's Avatar
Apprentice
Vietnam
205 4 0 0 0 0
19
Global #1707
ducthuan's Avatar
Apprentice
Vietnam
201 4 0 0 0 1
20
Global #1707
Imhim's Avatar
Apprentice
Vietnam
201 4 0 0 0 0
21
Global #1732
nagisayumaa's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
22
Global #1732
jerrcraft's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
23
Global #1732
NguyenDuc's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
24
Global #1732
hembegur's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
25
Global #1732
aceofclub's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
26
Global #1732
flongicetea's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
27
Global #1732
pueveup's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
28
Global #1732
hoang0109's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
29
Global #1732
quocdat04637's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
30
Global #1732
jamjam's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
31
Global #2423
Naglfar's Avatar
Apprentice
Vietnam
155 3 0 0 0 0
32
Global #2526
dunfc's Avatar
dunfc 🔥
Apprentice
Vietnam
150 3 0 0 0 0
33
Global #2526
dold99's Avatar
Apprentice
Vietnam
150 3 0 0 0 0
34
Global #2526
thanhphu12's Avatar
Apprentice
Vietnam
150 3 0 0 0 0
35
Global #2526
tatu's Avatar
Apprentice
Vietnam
150 3 0 0 0 0
36
Global #2526
ChuBeDan's Avatar
Apprentice
Vietnam
150 3 0 0 0 0
37
Global #3627
hieule616's Avatar
Apprentice
Vietnam
101 2 0 0 0 1
38
Global #3646
tahnh's Avatar
tahnh 🔥
Apprentice
Vietnam
100 2 0 0 0 0
39
Global #3646
satoshi's Avatar
Apprentice
Vietnam
100 2 0 0 0 0
40
Global #3646
mischicken's Avatar
Apprentice
Vietnam
100 2 0 0 0 0
41
Global #3646
tanle's Avatar
tanle 🔥
Apprentice
Vietnam
100 2 0 0 0 0
42
Global #3646
TranNam98's Avatar
Apprentice
Vietnam
100 2 0 0 0 0
43
Global #3646
ImTrying's Avatar
Apprentice
Vietnam
100 2 0 0 0 0
44
Global #3646
ntthanh222's Avatar
Apprentice
Vietnam
100 2 0 0 0 0
45
Global #4517
lochuynh1647's Avatar
Rookie
+65 XP this week
Vietnam
65 1 0 0 0 0
46
Global #4597
Kevin347's Avatar
Rookie
Vietnam
55 1 0 0 0 0
47
Global #4762
vinh's Avatar
Rookie
Vietnam
50 1 0 0 0 0
48
Global #4762
hungle's Avatar
Rookie
Vietnam
50 1 0 0 0 0
49
Global #4762
Vietnam
50 1 0 0 0 0
50
Global #4762
Beo183's Avatar
Rookie
Vietnam
50 1 0 0 0 0

Other country leaderboards

Vietnam's current top three

The Vietnamese top three is currently cuongkhtnk09 (1916 XP), xanx0 (1850 XP) and fornetube (800 XP). Vietnam's top board historically has a high rate of movement - players tend to grind in bursts around CTF season and the rankings reshuffle accordingly.

Small country, serious CTF power

Vietnam is not a huge country by HackerDNA user count, but its CTF tradition is among the strongest in Asia. Teams like efiens, BabyPhD and the Vietnamese Cryptography Association regularly place well on CTFtime, and several have finished high in international finals. That CTF pedigree is the single biggest reason Vietnamese players tend to rank higher per capita than almost any other country in Southeast Asia.

The WhiteHat Grand Prix heritage

The WhiteHat Grand Prix, organised by BKAV, has been running since 2014 and is one of the oldest CTFs in Asia. A generation of Vietnamese players cut their teeth on its challenges before moving on to international events and then to platforms like HackerDNA. The competition built a local culture where grinding hard reversing and pwn problems is normal - not exceptional - and it shows in how Vietnamese players approach the lab ladder.

Why Vietnamese players over-index on reversing and pwn

Compared with the global average, Vietnamese players on HackerDNA skew strongly toward reverse engineering and binary pwn. Web exploitation and crypto are also represented, but the top of the Vietnamese board is dominated by low-level specialists. Hanoi University of Science and Technology, the University of Engineering and Technology at Vietnam National University Hanoi, and Ho Chi Minh City University of Technology are the main academic feeders, and each runs active CTF clubs. VNCERT coordinates the national response on the professional side.

Climbing the Vietnamese board

XP comes quickly for players willing to take on the hard reversing and pwn labs that many others skip. The Vietnamese top ten is a tough place to crack - the pool is small but the skill ceiling is high - so the fastest way in is to pick challenges where you can out-grind the competition. The daily recompute means progress shows up immediately, which is part of why Vietnamese players tend to stick around once they start climbing.

Frequently asked questions

Who is the #1 ethical hacker in Vietnam on HackerDNA right now?

cuongkhtnk09 currently holds Vietnam's #1 position with 1916 XP, ahead of xanx0 (1850) and fornetube (800).

How many Vietnamese ethical hackers are on HackerDNA?

213 Vietnamese players are currently ranked. Vietnam is small by user count but consistently over-performs on XP per player.

Why do Vietnamese players do so well at CTFs?

Vietnam has a long CTF tradition with teams like efiens, BabyPhD and VCA regularly placing well internationally. The WhiteHat Grand Prix has been running since 2014 and built an early pipeline of serious players.

What is the WhiteHat Grand Prix?

The WhiteHat Grand Prix is a Vietnamese CTF run by BKAV since 2014, making it one of the oldest in Asia. A generation of local players started there.

Which Vietnamese universities feed the leaderboard?

Hanoi University of Science and Technology, the University of Engineering and Technology at VNU Hanoi, and Ho Chi Minh City University of Technology are the main feeders.

What categories do Vietnamese players focus on?

Vietnamese players over-index strongly on reverse engineering and binary pwn compared with the global average.

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