This report addresses cyber defense in web-based attacks, focusing on an e-commerce organization based in Damman that handles global transactions and uses multiple web browsers. The report highlights the challenges of managing traffic and fraud signals. It reviews security issues linked with computing networks and provides effective techniques to secure web browsers and protect data. The report covers securing web browsers, types of data accessed by criminals (including personal and financial information), and best practices for securing data, such as using firewalls, updating browsers, employing encryption-based systems, and employee training. It emphasizes the importance of proactive measures to mitigate cyber threats and protect sensitive user data, concluding that using firewall networks and updated web browsers is essential to protect against hackers and reduce cyber-crimes.