Completed by SandStone 23 Jan 2026

Hack the Cookie: Cookie Poisoning Attack

hackerdna

Certificate of Completion

HackerDNA Cybersecurity Labs

This is to certify that

SandStone

has successfully completed the

Hack the Cookie: Cookie Poisoning Attack

demonstrating proficiency in offensive security and ethical hacking

Certificate ID 4bd9a113-3d7a-4e2c-95fa-1c25b6965a45
Issue Date 23 Jan 2026
Difficulty Level Very Easy

Verify at hackerdna.com/labs/complete/4bd9a113-3d7a-4e2c-95fa-1c25b6965a45

hackerdna Issued by HackerDNA · 23 Jan 2026
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Lab Achievement Details

23 Jan 2026 11:44Started On
23 Jan 2026 11:55Completed On
+50 XPXP Earned
Very EasyDifficulty Level

Skills & Technologies

Cookie PoisoningSession TamperingBase64 EncodingPrivilege EscalationBrowser DevToolsClient-Side SecurityWeb Exploitation

Activity Timeline

  1. Machine Started23 Jan 2026 11:44 Very first start of the machine
  2. Flag Found 23 Jan 2026 11:55 User Flag +50 XP
  3. Machine Pwned23 Jan 2026 11:55 SandStone successfully pwned the machine

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