The text explores the vulnerabilities of large language model (LLM) applications, particularly those utilizing chain-based and agentic architectures, to prompt injection attacks that can lead to sensitive data exposure. These attacks, which can take the form of direct or indirect prompt injections, exploit the model's access to privileged data and resources, making them attractive targets for attackers. Techniques such as jailbreaking are used to trick LLMs into ignoring moderation guardrails, while indirect injections may utilize hidden instructions in linked assets. To mitigate these threats, the text suggests implementing data sanitization, monitoring for injection attempts, and employing protective measures like prompt guardrailing and least privilege principles. Additionally, tools such as Datadog LLM Observability are recommended for tracking and analyzing potential attacks to enhance security and prevent data breaches effectively.