Real ChatGPT answer · index seedVg2pQRCCWl4completeB2B software · AI and automation toolsinformational

We need to stop prompt injection attacks in our customer-facing chatbot immediately, so what are the best techniques for validating user inputs before they hit the LLM?

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
We need to stop prompt injection attacks in our customer-facing chatbot immediately, so what are the best techniques for validating user inputs before they hit the LLM?
2 real searches · 1 real-search pass
OWASP LLM Prompt Injection Prevention Cheat Sheet input validation prompt injection defensesGoogle ↗
OBSERVEDInstruction
NIST generative AI profile prompt injection input validation indirect prompt injectionGoogle ↗
OBSERVEDReason

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (2)
Short factOther / navigationalComparisonConsequenceReason50%DefinitionInstruction50%Yes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
OWASP LLM Prompt Injection Prevention Cheat Sheet input validation prompt injection defenses Google ↗
NIST generative AI profile prompt injection input validation indirect prompt injection Google ↗
  1. LLM Prompt Injection Prevention · cheatsheetseries.owasp.org
  2. AISVS/1.0/en/0x10-C02-Input-Validation.md at main · OWASP/AISVS · github.com
  3. LLM01: Prompt Injection · genai.owasp.org
  4. LLM01:2025 Prompt Injection · genai.owasp.org
  5. AI Agent Security · cheatsheetseries.owasp.org

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
OWASP LLM Prompt Injection Prevention Cheat Sheet input validation prompt injection defenses
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1
NIST generative AI profile prompt injection input validation indirect prompt injection
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1