Blue and rare steak pushes against traditional safety assumptions because the inside isn’t fully cooked. That matters most for ground meat and for cross-contamination—hands, boards, and utensils that touched raw juices and then touched cooked food.
Whole cuts of beef are generally lower risk than ground beef because bacteria are mostly on the surface. With a good sear, you’re aiming to reduce surface bacteria by applying high heat quickly. But you still need to handle the steak carefully and avoid “partial safety” mistakes like repeatedly flipping with the same tongs that touched raw meat.
If you’re cooking at home, treat food safety as part of the craft. Wash hands before and after. Use separate plates. Keep raw steak cold until the moment it hits the pan. And if your beef is labeled for raw or for minimal processing, follow the instructions on the package. If it isn’t, don’t assume “restaurant style” equals “safe at home.”