Guilherme Santos

Guilherme Santos is Chief Executive Officer at Blindsight. He writes on the attack classes Blindsight's runtime security platform is built to catch, including prompt injection and data poisoning.

Posts by Guilherme

2 posts

May 212026Prompt InjectionHow malicious text hijacks AI behavior. A primer on direct and indirect prompt injection, and mitigations.Guilherme Santos9 min read
May 202026Data PoisoningThe model learns from what it's fed. Poison the data, poison the model. A primer on data poisoning and mitigations.Guilherme Santos10 min read

See what AI is doing in your organization.