This paper discusses the challenges associated with the use of information systems in business operations and outlines mitigation strategies. It focuses on Apple as a case study. The topics covered include ransomware, threats against network routers and switches, ensuring reliability and availability of web service, confidentiality and integrity of staff email, types of malware and security issues related to email and webserver, approaches to improve server availability, use of log records, and impact of human factors on IS related security risk and management.