0xEntropy

Apprentice

#26 The Netherlands

458 Total XP

6 Labs Completed 0 First Bloods 0 Streak 7 Best

+20 this week +30 this month

Activity

17 active days in the last year

Less More

Rank Progress

Apprentice

Next Junior

458 / 577 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 2 days

2 days ago

Daily Hack Solved - The alibi that breaks +10 XP

4 days ago

Daily Hack Solved - Recover the XOR key +10 XP

5 days ago

Active for 1 days

1 week ago

Daily Hack Solved - The version that leaks +10 XP

1 week ago

Active for 4 days

1 week ago

Daily Hack Solved - Disabled but shipped +10 XP

2 weeks ago

Lesson Completed +11 XP

2 weeks ago

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

2 weeks ago

Active for 1 days

2 weeks ago

Chapter Completed - The hacker mindset +1 XP

2 weeks ago

Lesson Completed +5 XP

2 weeks ago

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

2 weeks ago

Daily Hack Solved - Replay the withdrawal +10 XP

2 weeks ago

Daily Hack Solved - Read the system prompt +10 XP

3 weeks ago

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

3 weeks ago

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

3 weeks ago

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

3 weeks ago

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

3 weeks ago

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

3 weeks ago

Flag Found - Hack the Login +50 XP

3 weeks ago

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

3 weeks ago

Daily Hack Solved - Reverse then ROT +10 XP

3 weeks ago

Profile Updated +1 XP

3 weeks ago

Your Certificate is Ready!

View and share your Certificate of Achievement

View Certificate