Using Large Language Models to Improve Data Loss Prevention in Organizations
summary
Cato Networks deploys a fine‑tuned LLM that classifies sensitive documents by creating embeddings and using triplet loss to push same-category items together; a support set (example: 10 labeled docs) and nearest‑neighbor or weighted‑majority voting labels new files via cosine similarity. Demo shows 485 embedded points visualized with a tensorboard demo, using a radius 0.5 threshold and first ~1,000 tokens per file; policy example blocks uploads to ChatGPT when a resume and PII co‑occur.
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chapters (15)
- 0:00Introduction
- 1:03What is DLP
- 3:32Legacy DLP limitations
- 5:23Structured data limits for DLP
- 7:56Understanding Large Language Models
- 9:18Fine-tuning LLMs for text classification
- 10:03Text similarity models and triplet loss
- 12:54Training for document classification
- 15:04Classifying documents with embeddings
- 16:29Demo setup with TensorBoard
- 17:12Visualizing embeddings in TensorBoard
- 18:36Classifying documents with nearest neighbors
- 20:06LLM classification with PII detection
- 21:32Key takeaways
- 22:17Q&A
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