0xEntropy

Junior

Online

#24 The Netherlands Top 8% Worldwide

608 Total XP

6 Labs Completed 0 First Bloods 2 Streak 13 Best

+20 this week +20 this month

Activity

45 active days in the last year

Rank Progress

Junior

Next Senior

608 / 2114 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 ad that was one letter off +10 XP

4 hours ago

Daily Hack Solved - The file that kept its name +10 XP

1 day ago

Active for 5 days

3 days ago

Daily Hack Solved - The current that spelled it out +10 XP

2 weeks ago

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

3 weeks ago

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

3 weeks ago

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

3 weeks ago

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

3 weeks ago

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

4 weeks ago

Active for 2 days

1 month ago

Daily Hack Solved - Write it back +10 XP

1 month ago

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

1 month ago

Active for 1 days

1 month ago

Streak Frozen

1 month ago

Active for 1 days

1 month ago

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

1 month 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

2 months ago

Daily Hack Solved - The alibi that breaks +10 XP

2 months ago

Daily Hack Solved - Recover the XOR key +10 XP

2 months ago

Active for 1 days

2 months ago

Daily Hack Solved - The version that leaks +10 XP

2 months ago

Active for 4 days

2 months ago

Daily Hack Solved - Disabled but shipped +10 XP

2 months ago

Lesson Completed +11 XP

2 months ago

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

2 months ago

Active for 1 days

2 months ago

Chapter Completed - The hacker mindset +1 XP

2 months ago

Lesson Completed +5 XP

2 months ago

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

2 months ago

Daily Hack Solved - Replay the withdrawal +10 XP

2 months ago

Daily Hack Solved - Read the system prompt +10 XP

2 months ago

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