Vietnam punches well above its weight in offensive security, and the HackerDNA leaderboard reflects it. 344 Vietnamese ethical hackers are currently ranked, led by cuongkhtnk09 on 1930 XP. DucBao sits in second (1295 XP) and yougboiz rounds out the podium on 986 XP. The board is recalculated daily - last updated Sep 22, 2026.

Top Ethical Hackers in Vietnam

22 Sep 2026 Updated Hourly

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Showing top hackers from Vietnam (49 hackers)
2
DucBao
DucBao 🥈
Vietnam
1,295 XP
3 0
👑
1
cuongkhtnk09
cuongkhtnk09 🥇
Vietnam
1,930 XP
4 0
3
yougboiz
yougboiz 🥉
Vietnam
986 XP
2 0
Biggest Climber
+27465 ranks
Longest Streak
21 days 🔥
Root Flag Master
4 flags
1 countries
19,022 combined XP
3 online now
Rank User Country XP
1 🥇
Global #289
Vietnam
1930 13 4 0 0 10
2 🥈
Global #435
DucBao's Avatar
Junior
Vietnam
1295 11 3 0 0 0
3 🥉
Global #581
yougboiz's Avatar
yougboiz 🔥 2
Junior
+10 XP this week
Vietnam
986 10 2 0 0 1
4
Global #682
Alfredzz's Avatar
Junior
Vietnam
850 10 2 0 0 0
5
Global #733
Vietnam
800 11 1 0 0 0
6
Global #792
than0mua's Avatar
than0mua 🔥 2
Junior
+1025 XP this week
Vietnam
775 9 2 0 0 0
7
Global #888
Vietnam
700 9 2 0 0 0
8
Global #986
greylag's Avatar
Junior
Vietnam
650 9 1 0 0 0
9
Global #1119
Khoart2's Avatar
Apprentice
Vietnam
570 8 1 0 0 0
10
Global #1164
vesviet's Avatar
Apprentice
Vietnam
550 10 1 0 0 0
11
Global #1351
TD277's Avatar
Apprentice
Vietnam
450 7 1 0 0 0
12
Global #1452
Alexpham's Avatar
Apprentice
Vietnam
408 7 1 0 0 8
13
Global #1463
duyhuyh's Avatar
Apprentice
Vietnam
400 7 1 0 0 0
14
Global #1523
xNoy's Avatar
xNoy 🔥 21
Apprentice
+10 XP this week
Vietnam
394 4 0 0 0 1
15
Global #1581
saiogama's Avatar
Apprentice
Vietnam
360 6 1 0 0 0
16
Global #1633
Vietnam
351 6 1 0 0 0
17
Global #1654
BanMT's Avatar
Apprentice
Vietnam
350 6 1 0 0 0
18
Global #1654
nttking's Avatar
Apprentice
Vietnam
350 6 1 0 0 0
19
Global #1654
paulette's Avatar
Apprentice
Vietnam
350 6 0 0 0 0
20
Global #1982
chiasenucuoi's Avatar
Apprentice
Vietnam
300 5 1 0 0 0
21
Global #1982
binhbet's Avatar
Apprentice
Vietnam
300 5 1 0 0 0
22
Global #2161
VuBang's Avatar
Apprentice
Vietnam
285 5 0 0 0 0
23
Global #2287
Happy's Avatar
Apprentice
Vietnam
250 5 0 0 0 0
24
Global #2287
Ductunn's Avatar
Apprentice
Vietnam
250 5 0 0 0 0
25
Global #2287
Rainfall's Avatar
Apprentice
Vietnam
250 5 0 0 0 0
26
Global #2563
HuydinhVN's Avatar
Apprentice
Vietnam
220 4 0 0 0 0
27
Global #2581
nguyenchidung's Avatar
Apprentice
Vietnam
216 4 0 0 0 1
28
Global #2643
laihaan's Avatar
Apprentice
Vietnam
210 4 0 0 0 0
29
Global #2643
Lotus's Avatar
Apprentice
Vietnam
210 4 0 0 0 0
30
Global #2701
Tuananh11's Avatar
Apprentice
Vietnam
205 4 0 0 0 0
31
Global #2701
Thatme05's Avatar
Apprentice
Vietnam
205 4 0 0 0 0
32
Global #2803
ducthuan's Avatar
Apprentice
Vietnam
201 4 0 0 0 1
33
Global #2803
Imhim's Avatar
Apprentice
Vietnam
201 4 0 0 0 0
34
Global #2853
nagisayumaa's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
35
Global #2853
newbieforensics's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
36
Global #2853
jerrcraft's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
37
Global #2853
NguyenDuc's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
38
Global #2853
hembegur's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
39
Global #2853
Luna's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
40
Global #2853
aceofclub's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
41
Global #2853
flongicetea's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
42
Global #2853
pueveup's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
43
Global #2853
MagicChina's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
44
Global #2853
hoang0109's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
45
Global #2853
quocdat04637's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
46
Global #2853
jamjam's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
47
Global #2853
Thuyr's Avatar
Thuyr 🔥
Apprentice
Vietnam
200 4 0 0 0 0
48
Global #2853
tm16's Avatar
tm16 🔥
Apprentice
Vietnam
200 4 0 0 0 0
49
Global #2853
dhoang35's Avatar
Apprentice
Vietnam
200 4 0 0 0 0

Other country leaderboards

Vietnam's current top three

The Vietnamese top three is currently cuongkhtnk09 (1930 XP), DucBao (1295 XP) and yougboiz (986 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 1930 XP, ahead of DucBao (1295) and yougboiz (986).

How many Vietnamese ethical hackers are on HackerDNA?

344 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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