johndna70

Expert

Online

#1 Slovakia Top 1% Worldwide

7433 Total XP

24 Labs Completed 0 First Bloods 53 Streak 53 Best

+60 this week +417 this month

Activity

76 active days in the last year

Rank Progress

Expert

Next Master

7433 / 8159 XP

Achievements

Streak Starter

Streak Master

Streak Legend

Lab Rat

Lab Expert

Host Header InjectionPassword Reset PoisoningCommand InjectionPrivilege EscalationHTTP HeadersWeb ExploitationHeadless CMSAPI EnumerationInformation DisclosureRevision HistoryToken AbuseSSRFCloud Penetration TestingAWS IMDSIMDSv2IAM Credential TheftMetadata Service AbuseWeb EnumerationSSHPassword CrackingLinux SecurityCVE ExploitationReverse EngineeringBinary AnalysisCrackmeKeygenobjdumpGDBELFARM64 AssemblyStatic AnalysisGhidraPythonPickle DeserializationRCELinuxApache TomcatWeb Application SecurityWAR DeploymentDefault CredentialsSudoWeb ShellsSQL InjectionAuthentication BypassLinux Privilege EscalationFile PermissionsWeb SecurityAuthenticationGITWEBJWT ManipulationSSH ExploitationLog InjectionPHPIDORAPI SecurityPath TraversalAccess ControlIP SPOOFINGFTPLFIClient-Side SecuritySecurity Through ObscurityBrowser DevToolsView SourceBroken Access ControlHTMLNmapNmap CommandsTelnetPort ScanningNetwork ReconnaissanceCookie PoisoningSession TamperingBase64 EncodingView Source CodeSource Code AnalysisBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals

Host Hijack Medium

400 XP Oct 30, 2026

Mythos Leak - Headless CMS Draft Exposure Medium

400 XP Oct 28, 2026

SSRF Attack: Steal Cloud Metadata Credentials Medium

400 XP Oct 26, 2026

TechNova Infiltration Medium

400 XP Oct 09, 2026

Reverse Engineering: License Key Crackme Medium

400 XP Oct 05, 2026

Pickle Jar Medium

400 XP Oct 05, 2026

Compromised 1 Medium

400 XP Oct 02, 2026

Alpwned Medium

400 XP Oct 01, 2026

Hidden CMS Breach Medium

400 XP Sep 30, 2026

Traversed Medium

400 XP Sep 25, 2026

AlVault Medium

400 XP Sep 21, 2026

Infiltrator Easy

200 XP Sep 11, 2026

Beyond Echo Medium

200 XP Aug 12, 2026

ClearDesk Medium

400 XP Aug 12, 2026

Cronpocalypse Easy

200 XP Aug 12, 2026

Spoof! Easy

100 XP Aug 07, 2026

Anonymous Easy

100 XP Aug 07, 2026

Include me Easy

100 XP Aug 07, 2026

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP Aug 07, 2026

Nmap Commands Lab: Port Scanning to Privilege Escalation Very Easy

100 XP Aug 07, 2026

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP Aug 07, 2026

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

50 XP Aug 07, 2026

Hack the Login Very Easy

50 XP Aug 06, 2026

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

50 XP Aug 06, 2026

No Modules Completed Yet

Start learning by completing educational modules!

Browse Courses

Lesson Completed +10 XP

16 hours ago

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

16 hours ago

Lesson Completed +5 XP

1 day ago

Daily Hack Solved - The meeting code that was a login +10 XP

1 day ago

Lesson Completed +15 XP

2 days ago

Daily Hack Solved - The build that packed its own key +10 XP

2 days ago

Lesson Completed +11 XP

3 days ago

Daily Hack Solved - The policy nobody wrote +10 XP

3 days ago

Lesson Completed +5 XP

4 days ago

Daily Hack Solved - Two names, one signature +10 XP

4 days ago

Flag Found - Query Quake +200 XP

5 days ago

Lesson Completed +15 XP

5 days ago

Daily Hack Solved - The address the signers never saw +10 XP

5 days ago

Lesson Completed +10 XP

6 days ago

Daily Hack Solved - The run that gave the hotel away +10 XP

6 days ago

Lesson Completed +5 XP

1 week ago

Daily Hack Solved - The model that phoned home +10 XP

1 week ago

Lesson Completed +15 XP

1 week ago

Daily Hack Solved - The captcha that filled your clipboard +10 XP

1 week ago

Lesson Completed +11 XP

1 week ago

Daily Hack Solved - The key the heap kept +10 XP

1 week ago

Lesson Completed +5 XP

1 week ago

Daily Hack Solved - A minute of weak tickets +10 XP

1 week ago

Lesson Completed +15 XP

1 week ago

Daily Hack Solved - The field the error named +10 XP

1 week ago

Flag Found - Host Hijack +200 XP

1 week ago

Flag Found - Host Hijack +200 XP

1 week ago

Lesson Completed +11 XP

1 week ago

Daily Hack Solved - The analytics script nobody added +10 XP

1 week ago

Lesson Completed +5 XP

1 week ago

Daily Hack Solved - The name that ran +10 XP

1 week ago

Flag Found - Mythos Leak - Headless CMS Draft Exposure +200 XP

2 weeks ago

Lesson Completed +15 XP

2 weeks ago

Daily Hack Solved - Deleted in the last layer +10 XP

2 weeks ago

Flag Found - Mythos Leak - Headless CMS Draft Exposure +200 XP

2 weeks ago

Lesson Completed +10 XP

2 weeks ago

Daily Hack Solved - Two logins too far apart +10 XP

2 weeks ago

Flag Found - SSRF Attack: Steal Cloud Metadata Credentials +200 XP

2 weeks ago

Lesson Completed +5 XP

2 weeks ago

Daily Hack Solved - The key that poisoned the base +10 XP

2 weeks ago

Daily Hack Solved - The origin it trusted +10 XP

2 weeks ago

Lesson Completed +15 XP

2 weeks ago

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

2 weeks ago

Lesson Completed +11 XP

2 weeks ago

Daily Hack Solved - Who really called +10 XP

2 weeks ago

Lesson Completed +5 XP

2 weeks ago

Daily Hack Solved - The name that points nowhere +10 XP

2 weeks ago

Lesson Completed +15 XP

3 weeks ago

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

3 weeks ago

Flag Found - SSRF Attack: Steal Cloud Metadata Credentials +200 XP

3 weeks ago

Your Certificate is Ready!

View and share your Certificate of Achievement

View Certificate