Placido

Junior

Online

#13 The Netherlands

801 Total XP

7 Labs Completed 0 First Bloods 3 Streak 29 Best

+20 this week +70 this month

Activity

77 active days in the last year

Less More

Rank Progress

Junior

Next Senior

801 / 1964 XP

Achievements

Streak Starter

Streak Master

Lab Rat

FTPCookie PoisoningSession TamperingBase64 EncodingPrivilege EscalationBrowser DevToolsClient-Side SecurityWeb ExploitationSecurity Through ObscurityView SourceInformation DisclosureBroken Access ControlWeb SecurityHTMLNmapNmap CommandsTelnetPort ScanningNetwork ReconnaissanceView Source CodeSource Code AnalysisCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security FundamentalsAuthentication BypassBroken AuthenticationDeveloper ToolsLearning Path

Anonymous Easy

100 XP Dec 26, 2025

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP Dec 20, 2025

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP Dec 20, 2025

Nmap Commands Lab: Port Scanning to Privilege Escalation Very Easy

100 XP Nov 20, 2025

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

50 XP Sep 23, 2025

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

50 XP Sep 23, 2025

Hack the Login Very Easy

50 XP Sep 10, 2025

HTTP Header Manipulation: IP Spoofing 1

Manipulating Headers 1 XP May 21, 2025

Nmap Mastery: Dominate Network Scanning 3

Installing Nmap 1 XP Nov 08, 2025

Introduction to Nmap 1 XP Oct 01, 2025

Essential Nmap Scanning 1 XP Nov 08, 2025

HDNA Ethical Hacking Course 1

Course Summary 1 XP Apr 03, 2025

Hacking 101 1

The hacker mindset 1 XP Jul 01, 2026

Daily Hack Solved - Find the SQLi probe +10 XP

1 hour ago

Daily Hack Solved - Find the employer +10 XP

1 day ago

Active for 1 days

2 days ago

Daily Hack Solved - PNG, not TXT +10 XP

5 days ago

Daily Hack Solved - Find the hidden email +10 XP

6 days ago

Daily Hack Solved - Decode the beacon label +10 XP

6 days ago

Active for 1 days

1 week ago

Daily Hack Solved - Same handle everywhere +10 XP

1 week ago

Daily Hack Solved - CloudTrail anomaly +10 XP

1 week ago

Daily Hack Solved - Vigenere then base64 +10 XP

1 week ago

Daily Hack Solved - Read the JWT claim +10 XP

1 week ago

Daily Hack Solved - Find the hardcoded API key +10 XP

2 weeks ago

Daily Hack Solved - The GPG blob +10 XP

2 weeks ago

Daily Hack Solved - Hex back to text +10 XP

2 weeks ago

Daily Hack Solved - The hidden link +10 XP

2 weeks ago

Daily Hack Solved - Flip the debug flag +10 XP

2 weeks ago

Daily Hack Solved - Read the shell history +10 XP

2 weeks ago

Daily Hack Solved - Geolocate the photo +10 XP

2 weeks ago

Daily Hack Solved - Trace the port scan +10 XP

2 weeks ago

Daily Hack Solved - Unwrap the C2 beacon +10 XP

3 weeks ago

Daily Hack Solved - Forge the tier +10 XP

3 weeks ago

Active for 1 days

3 weeks ago

Daily Hack Solved - The DEX header +10 XP

3 weeks ago

Daily Hack Solved - The hidden system prompt +10 XP

3 weeks ago

Daily Hack Solved - Unshift the letters +10 XP

3 weeks ago

Daily Hack Solved - Mass assign yourself admin +10 XP

4 weeks ago

Active for 1 days

4 weeks ago

Daily Hack Solved - Dox the domain owner +10 XP

4 weeks ago

Daily Hack Solved - Spot the exfil +10 XP

1 month ago

Daily Hack Solved - Decode the calldata +10 XP

1 month ago

Daily Hack Solved - The none algorithm +10 XP

1 month ago

Daily Hack Solved - Find the SQL injection sink +10 XP

1 month ago

Active for 1 days

1 month ago

Daily Hack Solved - The comment leak +10 XP

1 month ago

Daily Hack Solved - One tap of base64 +10 XP

1 month ago

Daily Hack Solved - Leak the app admin token +10 XP

1 month ago

Daily Hack Solved - Check the history +10 XP

1 month ago

Daily Hack Solved - Trace the phish +10 XP

1 month ago

Chapter Completed - The hacker mindset +1 XP

1 month ago

Daily Hack Solved - Find the break-in +10 XP

1 month ago

Daily Hack Solved - Two-layer classic +10 XP

1 month ago

Active for 9 days

1 month ago

Your Certificate is Ready!

View and share your Certificate of Achievement

View Certificate