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Cybercrime encompasses a broad range of criminal activities that happen through digital platforms and networks. These include hacking, phishing, identity theft, ransomware attacks and more. Academic programs focused on cybersecurity, criminal justice or digital forensics may help students understand how these threats affect individuals, organizations and national systems. They also explore prevention strategies and prepare for addressing digital risks in public or private sector roles.

Cybercriminals are becoming more agile and organized, with new types of threats emerging all the time. From phishing and extortion to cryptojacking and compromising data, these crimes have a significant economic and social impact. And they know no borders, with criminals, victims and technical infrastructure often spanning multiple jurisdictions.

Ransomware attacks have become a particularly disruptive form of cybercrime. The 2017 WannaCry attack affected 230,000 computers in 150 countries and demanded payments to regain access to files. Cybercriminals are increasingly targeting critical infrastructure, such as hospitals, water treatment plants and transportation networks. These attacks can cause widespread disruption and put lives at risk.

Despite popular assumptions, not all cybercrimes involve hacking. Hacking refers to a specific set of illegal activities carried out using computer-based tools and can be performed by anyone with limited or no technical skills. However, cybercrimes can also occur by exploiting vulnerabilities in a system or by the unauthorized release of information. For example, cybercriminals who break into a healthcare network could sabotage patient records and expose sensitive information to the wrong people. Similarly, cybercriminals who infiltrate transportation networks could slow or disrupt service, leading to delays for passengers and a loss of trust.