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yurihamu

Apprentice

セキュリティエンジニア

Japan Joined September 2026

Activity

22 active days in the last year

Rank Progress

Apprentice
Next Junior
335 / 603 XP

Achievements

Streak Starter
Scholar
Pro Member
Client-Side SecuritySecurity Through ObscurityBrowser DevToolsView SourceInformation DisclosureBroken Access ControlWeb SecurityHTMLAuthentication BypassBroken AuthenticationDeveloper ToolsLearning PathView Source CodeSource Code AnalysisCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals
Hack the Login
Hack the Login Very Easy
50 XP Oct 31, 2026
HTTP requests and responses 1 XP Oct 31, 2026
URLs, domains, and DNS 1 XP Oct 31, 2026
How passwords break 1 XP Nov 01, 2026
Encoding is not encryption 1 XP Nov 01, 2026
The hacker mindset 1 XP Sep 06, 2026
Hidden in plain sight 1 XP Oct 31, 2026
Open-source intelligence 1 XP Nov 01, 2026
Daily Hack Solved - The policy nobody wrote +10 XP
3 days ago
Active for 2 days
5 days ago
1 week ago
1 week ago
Daily Hack Solved - The captcha that filled your clipboard +10 XP
1 week ago
Active for 1 days
1 week ago
Daily Hack Solved - A minute of weak tickets +10 XP
1 week ago
Chapter Completed - Open-source intelligence +1 XP
1 week ago
Chapter Completed - How passwords break +1 XP
1 week ago
Chapter Completed - Encoding is not encryption +1 XP
1 week ago
Chapter Completed - Hidden in plain sight +1 XP
1 week ago
Flag Found - Hack the Login +50 XP
1 week ago
Daily Hack Solved - The field the error named +10 XP
1 week ago
Chapter Completed - URLs, domains, and DNS +1 XP
1 week ago
Chapter Completed - HTTP requests and responses +1 XP
1 week ago
Active for 1 days
1 week ago
Profile Updated +2 XP
2 weeks ago
Active for 1 days
2 weeks ago
Lesson Completed +11 XP
2 weeks ago
Active for 10 days
2 weeks ago
Chapter Completed - The hacker mindset +1 XP
2 months ago
Lesson Completed +5 XP
2 months ago

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