Placido

Junior

Online

#17 The Netherlands Top 5% Worldwide

911 Total XP

7 Labs Completed 0 First Bloods 1 Streak 29 Best

Activity

96 active days in the last year

Rank Progress

Junior

Next Senior

911 / 2092 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

Active for 4 days

11 hours ago

Daily Hack Solved - The invite that made an owner +10 XP

2 weeks ago

Daily Hack Solved - Where the link really goes +10 XP

3 weeks ago

Active for 6 days

3 weeks ago

Daily Hack Solved - Recover the XOR key +10 XP

1 month ago

Daily Hack Solved - Repair the magic bytes +10 XP

1 month ago

Daily Hack Solved - Count the compromised +10 XP

1 month ago

Daily Hack Solved - Who got root +10 XP

1 month ago

Daily Hack Solved - ELF, not data +10 XP

1 month ago

Daily Hack Solved - Forge the group claim +10 XP

1 month ago

Daily Hack Solved - Find the reentrancy bug +10 XP

1 month ago

Daily Hack Solved - Two layers, one flag +10 XP

1 month ago

Active for 1 days

1 month ago

Daily Hack Solved - Open the app sandbox +10 XP

1 month ago

Daily Hack Solved - Find the SQLi probe +10 XP

2 months ago

Daily Hack Solved - Find the employer +10 XP

2 months ago

Active for 1 days

2 months ago

Daily Hack Solved - PNG, not TXT +10 XP

2 months ago

Daily Hack Solved - Find the hidden email +10 XP

2 months ago

Daily Hack Solved - Decode the beacon label +10 XP

2 months ago

Active for 1 days

2 months ago

Daily Hack Solved - Same handle everywhere +10 XP

2 months ago

Daily Hack Solved - CloudTrail anomaly +10 XP

2 months ago

Daily Hack Solved - Vigenere then base64 +10 XP

2 months ago

Daily Hack Solved - Read the JWT claim +10 XP

2 months ago

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

2 months ago

Daily Hack Solved - The GPG blob +10 XP

2 months ago

Daily Hack Solved - Hex back to text +10 XP

2 months ago

Daily Hack Solved - The hidden link +10 XP

2 months ago

Daily Hack Solved - Flip the debug flag +10 XP

2 months ago

Daily Hack Solved - Read the shell history +10 XP

2 months ago

Daily Hack Solved - Geolocate the photo +10 XP

2 months ago

Daily Hack Solved - Trace the port scan +10 XP

2 months ago

Daily Hack Solved - Unwrap the C2 beacon +10 XP

2 months ago

Daily Hack Solved - Forge the tier +10 XP

2 months ago

Active for 1 days

2 months ago

Daily Hack Solved - The DEX header +10 XP

2 months ago

Daily Hack Solved - The hidden system prompt +10 XP

2 months ago

Daily Hack Solved - Unshift the letters +10 XP

2 months ago

Daily Hack Solved - Mass assign yourself admin +10 XP

2 months ago

Active for 1 days

2 months ago

Daily Hack Solved - Dox the domain owner +10 XP

2 months ago

Your Certificate is Ready!

View and share your Certificate of Achievement

View Certificate