Close icon Two crossed lines that form an 'X'. It indicates a way to close an interaction, or dismiss a notification. iStock; Gilbert Espinoza/Insider If you buy through our links, we may earn money from affiliate partners. Learn more. Cybersecurity knowledge is vital for everyone to have, whether they run a small business or want to transition into an information security career. Below are 9 online courses and programs (all with free options) that can provide a cybersecurity overview, help you protect your company, or prep you for a career switch. Whether you're a solo entrepreneur, manage a company, or even want to work in information security, it's crucial to have up-to-date knowledge of how to stay safe on the internet. Even something as simple as checking your company's bank account on public WiFi without a virtual private network (