
MVP Threat Modeling for SaaS Startups: A 60-Minute, One-Page Method
Most SaaS startups don’t fail their first security review because the framework was too hard. They fail because nobody owned login abuse until a customer flagged it. They fail because admin role changes were trusted on the client side. They fail because webhooks weren’t signed and a third party became an attacker. These are not exotic problems. They are basic ones, and they almost always trace back to the same root cause: there was no moment in the build process where someone asked, “how could this be misused?” ...