Lesson 3 · Running untrusted work apart · step 1 of 901Read02Why unknown code gets your access03Task 104Pick the box05Task 206Task 307Task 408Recap09TakeawayReadWhy code you do not know belongs in a box, not in your own folderLog in to read this lesson. A free account opens the introductory chapter.←Secrets deny sheetWhy unknown code gets your access→