Vietnam punches well above its weight in offensive security, and the HackerDNA leaderboard reflects it. 319 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 966 XP. The board is recalculated daily - last updated Sep 14, 2026.

Top Ethical Hackers in Vietnam

14 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
966 XP
2 0
Biggest Climber
+25843 ranks
Longest Streak
14 days 🔥
Root Flag Master
4 flags
1 countries
18,267 combined XP
4 online now
Rank User Country XP
1 🥇
Global #273
Vietnam
1930 13 4 0 0 10
2 🥈
Global #414
DucBao's Avatar
Junior
Vietnam
1295 11 3 0 0 0
3 🥉
Global #557
yougboiz's Avatar
Junior
Vietnam
966 10 2 0 0 1
4
Global #635
Alfredzz's Avatar
Junior
Vietnam
850 10 2 0 0 0
5
Global #691
Vietnam
800 11 1 0 0 0
6
Global #842
Vietnam
700 9 2 0 0 0
7
Global #934
greylag's Avatar
Junior
Vietnam
650 9 1 0 0 0
8
Global #1071
Khoart2's Avatar
Apprentice
Vietnam
570 8 1 0 0 0
9
Global #1117
vesviet's Avatar
Apprentice
Vietnam
550 10 1 0 0 0
10
Global #1296
TD277's Avatar
Apprentice
Vietnam
450 7 1 0 0 0
11
Global #1398
Alexpham's Avatar
Apprentice
Vietnam
408 7 1 0 0 8
12
Global #1408
duyhuyh's Avatar
Apprentice
Vietnam
400 7 1 0 0 0
13
Global #1522
saiogama's Avatar
Apprentice
Vietnam
360 6 1 0 0 0
14
Global #1570
Vietnam
351 6 1 0 0 0
15
Global #1589
BanMT's Avatar
Apprentice
Vietnam
350 6 1 0 0 0
16
Global #1589
nttking's Avatar
Apprentice
Vietnam
350 6 1 0 0 0
17
Global #1589
paulette's Avatar
Apprentice
Vietnam
350 6 0 0 0 0
18
Global #1856
xNoy's Avatar
xNoy 🔥 14
Apprentice
+10 XP this week
Vietnam
324 4 0 0 0 1
19
Global #1905
chiasenucuoi's Avatar
Apprentice
Vietnam
300 5 1 0 0 0
20
Global #1905
binhbet's Avatar
Apprentice
Vietnam
300 5 1 0 0 0
21
Global #2085
VuBang's Avatar
VuBang 🔥 4
Apprentice
Vietnam
285 5 0 0 0 0
22
Global #2196
Happy's Avatar
Apprentice
Vietnam
250 5 0 0 0 0
23
Global #2196
Ductunn's Avatar
Ductunn 🔥 2
Apprentice
Vietnam
250 5 0 0 0 0
24
Global #2196
Rainfall's Avatar
Apprentice
Vietnam
250 5 0 0 0 0
25
Global #2459
HuydinhVN's Avatar
Apprentice
Vietnam
220 4 0 0 0 0
26
Global #2477
nguyenchidung's Avatar
Apprentice
Vietnam
216 4 0 0 0 1
27
Global #2534
Lotus's Avatar
Apprentice
Vietnam
210 4 0 0 0 0
28
Global #2584
Tuananh11's Avatar
Apprentice
Vietnam
205 4 0 0 0 0
29
Global #2584
Thatme05's Avatar
Apprentice
Vietnam
205 4 0 0 0 0
30
Global #2681
ducthuan's Avatar
Apprentice
Vietnam
201 4 0 0 0 1
31
Global #2681
Imhim's Avatar
Apprentice
Vietnam
201 4 0 0 0 0
32
Global #2731
nagisayumaa's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
33
Global #2731
newbieforensics's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
34
Global #2731
jerrcraft's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
35
Global #2731
NguyenDuc's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
36
Global #2731
hembegur's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
37
Global #2731
Luna's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
38
Global #2731
aceofclub's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
39
Global #2731
flongicetea's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
40
Global #2731
pueveup's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
41
Global #2731
MagicChina's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
42
Global #2731
hoang0109's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
43
Global #2731
quocdat04637's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
44
Global #2731
jamjam's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
45
Global #2731
Thuyr's Avatar
Thuyr 🔥 2
Apprentice
Vietnam
200 4 0 0 0 0
46
Global #2731
meoconmituot's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
47
Global #2731
VYNG's Avatar
Apprentice
Vietnam
200 4 0 0 0 0
48
Global #3741
thoma's Avatar
thoma 🔥
Apprentice
Vietnam
165 3 0 0 0 0
49
Global #3866
thanghocdot's Avatar
Apprentice
Vietnam
155 2 1 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 (966 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 (966).

How many Vietnamese ethical hackers are on HackerDNA?

319 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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