Completed by guilberneto 09 Jan 2026

Hack the Cookie: Cookie Poisoning Attack

hackerdna

Certificate of Completion

HackerDNA Cybersecurity Labs

This is to certify that

guilberneto

has successfully completed the

Hack the Cookie: Cookie Poisoning Attack

demonstrating proficiency in offensive security and ethical hacking

Certificate ID 13be9362-e4e6-4c18-95bf-0e8ceb751ccc
Issue Date 09 Jan 2026
Difficulty Level Very Easy

Verify at hackerdna.com/labs/complete/13be9362-e4e6-4c18-95bf-0e8ceb751ccc

hackerdna Issued by HackerDNA · 09 Jan 2026
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Lab Achievement Details

09 Jan 2026 12:51Started On
09 Jan 2026 12:53Completed On
+50 XPXP Earned
Very EasyDifficulty Level

Skills & Technologies

Cookie PoisoningSession TamperingBase64 EncodingPrivilege EscalationBrowser DevToolsClient-Side SecurityWeb Exploitation

Activity Timeline

  1. Machine Started09 Jan 2026 12:51 Very first start of the machine
  2. Flag Found 09 Jan 2026 12:53 User Flag +50 XP
  3. Machine Pwned09 Jan 2026 12:53 guilberneto successfully pwned the machine

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