The CBBS scene was eventually supplanted by the Web, with its graphical user interface and ease of use. This is only partly because of the success of Napster, with its questionable music-swapping service, which lets my computer talk directly to your computer to find and exchange music. Such applications will seem more attractive as people find the reliability of the Internet less than optimal. I've heard numerous stories about people who use an online email service where the email provider has lost stored files and mailing lists.
Hackers target anything and everything is vulnerable.
No more, no less. And be sure to note that this is nothing new. Ward Christensen of IBM released a free client to users called Modem7, which allowed people to connect directly to each other and either chat or exchange files. The CBBS scene stalled and was eventually supplanted by the Web, with its graphical user interface and ease of use. Today you are probably running at 56K over the phone system, linked to the Internet.