Explained: Model Distillation Attacks

You spend eighteen months and several million dollars training a model. It is good. It is your competitive edge. You wrap it in a clean API, set a price per thousand calls, and open it to the world. Six weeks later a competitor launches a near-identical service at half your price. Their model behaves almost exactly like yours: same quirks, same edge-case answers, even the same odd mistakes on the same odd inputs. They never breached your servers.… Read More

Explained: Unsupervised Learning

The box of photos Imagine someone hands you a box of a thousand printed photos. No labels, no dates, no context. They ask you to sort them into groups. You would manage just fine. Holidays go together. Family gatherings go together. Food shots, landscapes, pets. You would form those groups naturally, without anyone telling you the categories in advance. Nobody trained you on a labeled dataset of photo types. You just looked for things that seemed … Read More

Explained: Reinforcement Learning

You already know how this works Think back to the first time you played a video game with no tutorial. Maybe it was an old platformer, or a fighting game at a friend's house. Nobody explained the controls. You just pressed buttons and watched what happened. Jump landed on the platform: good. Walk into the enemy: bad. Fall into the pit: very bad. Within twenty minutes, without reading a single word of instruction, you had a working mental mode… Read More

AWS Certified AI Practitioner (AIF-C01) — Exam Notes

Exam code AIF-C01 . Foundational level. 65 questions total: 50 scored, 15 unscored (you cannot tell which is which). Passing score is 700 / 1000 . No penalty for guessing. Duration: 90 minutes. Cost: $100. Question types include multiple choice, multiple response (select all correct answers), ordering, and matching. The newer ordering and matching types are unique to this exam at foundational level — read them carefully before answering. 20% 24% 28% ←… Read More