The dangers of proprietary software

There have been numerous incidents involving Apple products and their closed source software which raises concerns about the dangers, risks and security issues of using proprietary software. According to Reuters’ recent article, spying software is used to gain access to iPhones by simply sending the target a text message:
“A team of former U.S. government intelligence operatives working for the United Arab Emirates hacked into the iPhones of activists, diplomats and rival f