0xEntropy

Apprentice

Online

#26 The Netherlands Top 9% Worldwide

578 Total XP

6 Labs Completed 0 First Bloods 1 Streak 13 Best

+20 this week +60 this month

Activity

37 active days in the last year

Rank Progress

Apprentice

Next Junior

578 / 603 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

Daily Hack Solved - The folder that shipped itself +10 XP

1 day ago

Daily Hack Solved - The redaction that was a layer +10 XP

3 days ago

Daily Hack Solved - The role any repo can wear +10 XP

5 days ago

Daily Hack Solved - The redirect it only half checked +10 XP

1 week ago

Daily Hack Solved - The header that skips the check +10 XP

1 week ago

Active for 2 days

2 weeks ago

Daily Hack Solved - Write it back +10 XP

3 weeks ago

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

3 weeks ago

Active for 1 days

3 weeks ago

Streak Frozen

3 weeks ago

Active for 1 days

4 weeks ago

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

4 weeks ago

Active for 1 days

1 month ago

Streak Frozen

1 month ago

Active for 1 days

1 month ago

Streak Frozen

1 month ago

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

1 month ago

Active for 2 days

1 month ago

Daily Hack Solved - The canary build +10 XP

1 month ago

Daily Hack Solved - The gateway that appeared +10 XP

1 month ago

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

1 month ago

Active for 2 days

1 month ago

Daily Hack Solved - The alibi that breaks +10 XP

1 month ago

Daily Hack Solved - Recover the XOR key +10 XP

1 month ago

Active for 1 days

1 month ago

Daily Hack Solved - The version that leaks +10 XP

1 month 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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

Flag Found - Hack the Login +50 XP

2 months ago

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

2 months ago

Daily Hack Solved - Reverse then ROT +10 XP

2 months ago

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