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cuongkhtnk09

Junior

Online

#1 Vietnam

1930 Total XP

13 Labs Completed 0 First Bloods 1 Streak 6 Best

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15 active days in the last year

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Junior

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1930 / 1964 XP

Achievements

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WEBPHPRCEIDORAPI SecurityPath TraversalAccess ControlPrivilege EscalationSSHIP SPOOFINGFTPLFIClient-Side SecuritySecurity Through ObscurityBrowser DevToolsView SourceInformation DisclosureBroken Access ControlWeb SecurityHTMLCookie PoisoningSession TamperingBase64 EncodingWeb ExploitationView Source CodeSource Code AnalysisAuthentication BypassBroken AuthenticationDeveloper ToolsLearning PathNmapNmap CommandsTelnetPort ScanningNetwork ReconnaissanceCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals

AlVault Medium

400 XP Jul 21, 2026

Beyond Echo Medium

200 XP Jul 16, 2026

ClearDesk Medium

400 XP Jul 15, 2026

Cronpocalypse Easy

200 XP Jul 15, 2026

Spoof! Easy

100 XP Jul 15, 2026

Anonymous Easy

100 XP Jul 15, 2026

Include me Easy

100 XP Jul 15, 2026

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP Jul 15, 2026

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP Jul 15, 2026

Secrets in Source: View Source Code to Find the Flag Very Easy

50 XP Jul 15, 2026

Hack the Login Very Easy

50 XP Jul 15, 2026

Nmap Commands Lab: Port Scanning to Privilege Escalation Very Easy

100 XP Jul 15, 2026

Capture the Flag 101: Find and Submit Your First Flag Very Easy

50 XP Jul 10, 2026

Hacking 101 10

The network underneath 1 XP Jul 21, 2026

Vulnerabilities and exploits 1 XP Jul 22, 2026

How passwords break 1 XP Jul 20, 2026

Encoding is not encryption 1 XP Jul 20, 2026

The hacker mindset 1 XP Jul 14, 2026

Your roadmap 1 XP Jul 22, 2026

Hacking humans 1 XP Jul 22, 2026

Hidden in plain sight 1 XP Jul 14, 2026

Open-source intelligence 1 XP Jul 21, 2026

The hacker's toolkit 1 XP Jul 22, 2026

Active for 6 days

3 days ago

Daily Hack Solved - Trace the port scan +10 XP

1 week ago

Chapter Completed - Your roadmap +1 XP

1 week ago

Chapter Completed - The hacker's toolkit +1 XP

1 week ago

Chapter Completed - Vulnerabilities and exploits +1 XP

1 week ago

Chapter Completed - Hacking humans +1 XP

1 week ago

Chapter Completed - The network underneath +1 XP

1 week ago

Chapter Completed - Open-source intelligence +1 XP

1 week ago

Daily Hack Solved - Unwrap the C2 beacon +10 XP

1 week ago

Flag Found - AlVault +200 XP

1 week ago

Flag Found - AlVault +200 XP

1 week ago

Daily Hack Solved - Forge the tier +10 XP

2 weeks ago

Chapter Completed - How passwords break +1 XP

2 weeks ago

Chapter Completed - Encoding is not encryption +1 XP

2 weeks ago

Active for 1 days

2 weeks ago

Task Completed - AlVault

2 weeks ago

Task Completed - AlVault

2 weeks ago

Task Completed - AlVault

2 weeks ago

Task Completed - AlVault

2 weeks ago

Flag Found - Beyond Echo +200 XP

2 weeks ago

Task Completed - Beyond Echo

2 weeks ago

Task Completed - Beyond Echo

2 weeks ago

Task Completed - Beyond Echo

2 weeks ago

Flag Found - ClearDesk +200 XP

2 weeks ago

Flag Found - ClearDesk +200 XP

2 weeks ago

Flag Found - Cronpocalypse +100 XP

2 weeks ago

Flag Found - Cronpocalypse +100 XP

2 weeks ago

Flag Found - Spoof! +100 XP

2 weeks ago

Flag Found - Anonymous +100 XP

2 weeks ago

Task Completed - Anonymous

2 weeks ago

Task Completed - Anonymous

2 weeks ago

Task Completed - Anonymous

2 weeks ago

Flag Found - Include me +100 XP

2 weeks ago

Task Completed - Include me

2 weeks ago

Task Completed - Include me

2 weeks ago

Task Completed - Include me

2 weeks ago

Task Completed - Include me

2 weeks ago

Flag Found - Secrets in Source 2: Bypass Security Through Obscurity +50 XP

2 weeks ago

Task Completed - Secrets in Source 2: Bypass Security Through Obscurity

2 weeks ago

Task Completed - Secrets in Source 2: Bypass Security Through Obscurity

2 weeks ago

Task Completed - Secrets in Source 2: Bypass Security Through Obscurity

2 weeks ago

Flag Found - Hack the Cookie: Cookie Poisoning Attack +50 XP

2 weeks ago

Task Completed - Hack the Cookie: Cookie Poisoning Attack

2 weeks ago

Task Completed - Hack the Cookie: Cookie Poisoning Attack

2 weeks ago

Task Completed - Hack the Cookie: Cookie Poisoning Attack

2 weeks ago

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