In the modern Internet era, industries and organisations need to be prepared to defend against cyber threats and attacks. Stakeholders should be familiar with basic principles and best practices of cybersecurity to protect their businesses and personal information. In this subject, these principles and strategies for future cyber security are explored. Key topics include: information security; ethical and legal practices; mitigating cyber vulnerabilities; and the process of incident response and analysis. The subject introduces the broad discipline of cybersecurity and outlines how to ensure the privacy, reliability, confidentiality and integrity of information systems and mitigate against cyber threats and risks.