The inclusion of computers in various aspects of our lives has resulted in both advancements and difficulties in terms of safety. This dual influence is visible in how computers have made the world safer and less safe. Healthcare has been completely transformed by computers, which have greatly enhanced patient care, diagnosis, and treatment. The introduction of electronic health records has simplified patient data administration, resulting in health information that is more precise and easily available. Consequently, this improves the capacity of healthcare professionals to make well-informed judgments, lowers the rate of medical mistakes, and guarantees prompt and suitable actions. The use of computers has significantly increased safety in transportation. To improve driver safety, advanced driving-assistance systems in cars use sensors and computer algorithms. Automated emergency braking, lane-keeping assistance, and adaptive cruise control are examples of features that lessen the likelihood of crashes and lessen their severity. Furthermore, the introduction of automated control systems, predictive maintenance, and computerized navigation systems has made flying much safer. The use of computers has revolutionized how we respond to and handle disasters. Authorities can more accurately forecast and prepare for natural catastrophes like hurricanes, earthquakes, and floods thanks to sophisticated modeling and simulation tools. Computer technology is used by geographic information systems to map damaged regions, arrange evacuation routes, and coordinate emergency responses. Additionally, computer-powered communication technologies enable the instantaneous broadcast of information during emergencies, assisting rescue efforts and enabling individuals to make well-informed judgments. Since computers are now a need in everyday life, there is a greater danger of cybersecurity threats and attacks. Cybercriminals take advantage of weaknesses in software, networks, and user conduct to obtain unapproved access, pilfer confidential data, or interfere with vital systems. Threats from ransomware, phishing, and data breaches are serious for everyone—individuals, companies, and governments. As computers are used by more people, worries about mass spying and privacy violations have grown. Large volumes of personal data are frequently gathered by social networking sites, internet services, and smart gadgets, which begs the question of how this data is shared, kept, and used. Using artificial intelligence and complex algorithms, governments and businesses may study user behavior to provide customized adverts and, occasionally, manipulate public opinion. There is a big risk associated with our growing reliance on computerized essential infrastructure, such as transportation networks, water supply systems, and electricity grids. Cyberattacks directed against these systems might have dire repercussions, stopping vital services and sparking various problems. Strong cybersecurity measures are required to safeguard vital services because as these systems are increasingly linked, there is a greater chance of cyberattacks and cascade failures.