system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: how can an iPhone be so hard to hack when entire banking systems and other massive companies can be successfully targeted?
gpt
Big companies have many separate systems, many of which have to talk to each other, which means many potential vulnerabilities (often the employees themselves) and you just need one. Compare that to a single hardware device with strong encryption that has a single owner/user.