-1" OR 361=361 or "fppgDt0y"="

It looks like an SQL injection test payload. The idea is to end a string literal in a query, then inject a tautology (something that’s always true) using OR, so the WHERE clause becomes true regardless of the original input. In your fragment, 361=361 is such a tautology, and the rest of the string is extra bits that attackers might try to append.

High-level concept (no exploit steps):

• If an app builds SQL by string-concatenating user input, an input like this can break out of a quoted string and modify the query logic.
• OR 361=361 makes the condition true, which can bypass authentication or return unintended data.
• The exact trailing bits are attempts to extend or obfuscate the injection, but the core idea is to make the WHERE clause evaluate to true.

Defensive takeaways (how to prevent this in exams and real apps):

• Always use parameterized queries / prepared statements. Bind user input as data, not as part of the SQL string.
• Validate and constrain inputs (whitelist allowed characters and formats).
• Use ORM layers or query builders that automatically parameterize variables.
• Enforce least privilege on the DB account used by the app.
• Handle errors safely and avoid leaking DB error details to users.
• Consider additional protections: input encoding, input length limits, and a Web Application Firewall as defense in depth.

If you’re studying for an exam, I can provide a concise practice question and answer on SQL injection, or explain how prepared statements look in a couple of programming languages. What would you like?