This report delves into the realm of Information Security (IS) and Risk Management, particularly within the context of the National Bank of Australia (NAB). It highlights the increasing dependence of businesses on technology and the associated rise in cyber threats. The report identifies common malware such as spyware, botnets, adware, rootkits, worms, and viruses, detailing how they can impact NAB's operations. It also examines the networking devices used by NAB, including routers, switches, and hubs, pointing out their vulnerabilities. Furthermore, the report provides recommendations on ensuring the reliability and availability of NAB's web services through regular updates, hardware maintenance, system monitoring, and data backups. It addresses the importance of confidentiality and integrity of staff email, the risks associated with webmail and web servers (like brute force attacks, DDoS attacks, cross-site scripting, and SQL injection), and strategies to increase the availability of web and email servers through load balancing and recovery plans. The impact of human factors and organizational issues on IS security is also considered, along with the use of log records for monitoring and analyzing server problems. Finally, the report proposes various types of network devices to mitigate threats, including active, passive, preventative, and access control devices, concluding with the critical need for robust IS security and risk management strategies.