0xEntropy

Apprentice

#27 The Netherlands

528 Total XP

6 Labs Completed 0 First Bloods 1 Streak 13 Best

+20 this week +10 this month

Activity

31 active days in the last year

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Rank Progress

Apprentice

Next Junior

528 / 598 XP

Achievements

Streak Starter

Streak Master

Lab Rat

Client-Side SecuritySecurity Through ObscurityBrowser DevToolsView SourceInformation DisclosureBroken Access ControlWeb SecurityHTMLNmapNmap CommandsTelnetPort ScanningNetwork ReconnaissancePrivilege EscalationCookie PoisoningSession TamperingBase64 EncodingWeb ExploitationView Source CodeSource Code AnalysisAuthentication BypassBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP Aug 20, 2026

Nmap Commands Lab: Port Scanning to Privilege Escalation Very Easy

100 XP Aug 20, 2026

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP Aug 20, 2026

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

50 XP Aug 20, 2026

Hack the Login Very Easy

50 XP Aug 20, 2026

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

50 XP Aug 20, 2026

Hacking 101 1

The hacker mindset 1 XP Aug 24, 2026

Active for 1 days

23 hours ago

Daily Hack Solved - Write it back +10 XP

1 day ago

Daily Hack Solved - The trigger that changed everything +10 XP

3 days ago

Active for 1 days

4 days ago

Streak Frozen

1 week ago

Active for 1 days

1 week ago

Daily Hack Solved - The fill that was arranged +10 XP

1 week ago

Active for 1 days

1 week ago

Streak Frozen

1 week ago

Active for 1 days

1 week ago

Streak Frozen

1 week ago

Daily Hack Solved - Where the link really goes +10 XP

1 week ago

Active for 2 days

2 weeks ago

Daily Hack Solved - The canary build +10 XP

2 weeks ago

Daily Hack Solved - The gateway that appeared +10 XP

2 weeks ago

Daily Hack Solved - The click you never made +10 XP

2 weeks ago

Active for 2 days

3 weeks ago

Daily Hack Solved - The alibi that breaks +10 XP

3 weeks ago

Daily Hack Solved - Recover the XOR key +10 XP

3 weeks ago

Active for 1 days

4 weeks ago

Daily Hack Solved - The version that leaks +10 XP

4 weeks ago

Active for 4 days

1 month ago

Daily Hack Solved - Disabled but shipped +10 XP

1 month ago

Lesson Completed +11 XP

1 month ago

Daily Hack Solved - Find the IAM privilege escalation +10 XP

1 month ago

Active for 1 days

1 month ago

Chapter Completed - The hacker mindset +1 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Daily Hack Solved - Find the leaked AWS key +10 XP

1 month ago

Daily Hack Solved - Replay the withdrawal +10 XP

1 month ago

Daily Hack Solved - Read the system prompt +10 XP

1 month ago

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

1 month ago

Flag Found - Nmap Commands Lab: Port Scanning to Privilege Escalation +50 XP

1 month ago

Flag Found - Nmap Commands Lab: Port Scanning to Privilege Escalation +50 XP

1 month ago

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

1 month ago

Flag Found - Secrets in Source: View Source Code to Find the Flag +50 XP

1 month ago

Flag Found - Hack the Login +50 XP

1 month ago

Flag Found - Capture the Flag 101: Find and Submit Your First Flag +50 XP

1 month ago

Daily Hack Solved - Reverse then ROT +10 XP

1 month ago

Profile Updated +1 XP

1 month ago

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