While using online content is best to be safe than sorry, so most people protect themselves and others if they can as much as possible. Your online responsibilities are to secure your personal information by use of passwords and also common sense. Along with securing your own information you need to also respect the privacy of others.
When online remember there thousands of people who have access to what you post, comment, and virtually everything you do. With this said use come sense when online protect information with encryption codes and passwords as much as possible. Its better to have it and not need it rather to need it and not have it. Acceptable behavior online includes being polite and courteous, using appropriate language, not posting explicit pictures, and not trying to hack anyone else.
Its best to be safe than sorry. These are the steps to follow to ensure you and anyone you interact with online are safe.