Base64 Is Not Encryption

EASY
Cryptography / Encoding
🏆 50 pts

Challenge #3: Base64 Is Not Encryption

crypto encoding base64

📋 Mission Brief

Our intern was tasked with “encrypting” sensitive data before storing it in the database. He assured the team the data was “safe.” We found this string in the database and suspect it contains a secret. Prove him wrong.

🎯 The Challenge

The following string was found in the database’s secret_token field:

UGxhaW5seVNlY3tlbmMwZDFuZ19uMHRfZW5jcnlwNzEwbn0=

The intern said: “I used a standard algorithm, it’s totally secure!”

The flag is hidden inside. Submit it in the format PlainlySec{…}

💡 Show Hint (click to reveal)

This “encryption” is one of the most common misconceptions in security. Try a decoder tool.

🚩 Submit Your Flag

Found the flag? Enter it below. Format: PlainlySec{...}