The document discusses common causes of security breaches and provides tips for individuals and businesses to better protect themselves from hackers. It notes that human error is responsible for the majority of security incidents and outlines strategies like using unique, changed passwords; enabling two-factor authentication; encrypting data; and updating devices regularly. The document advocates for a layered cybersecurity approach and summarizes best practices such as deploying anti-virus software, backups, and user education, and performing security risk assessments.