Cyber incidents can disrupt operations, expose customer data and create unexpected legal, recovery and reputational costs. This practical guide explains cyber insurance in an Australian business context, including data breach response, ransomware, cyber extortion, business interruption and third-party cyber liability. Written for SMEs, startups, ecommerce operators, IT consultants and professional service firms, it sets out common risks, typical cover areas, exclusions, limits and quote preparation steps. Readers will gain a clearer understanding of how cyber insurance may fit alongside stronger security practices and informed broker discussions.