Cyber attacks is a core concept within cybersecurity and information security research, referring to deliberate actions leveraging digital means to compromise the confidentiality, integrity, or availability of computer systems, networks, or data. The academic study of cyber attacks investigates their motivations, methodologies, vectors, and impacts, analyzing attack patterns, developing defensive countermeasures, and assessing the broader security, economic, and geopolitical implications of digital malicious activity. Key characteristics include their reliance on exploiting digital vulnerabilities, their often remote and scalable nature, and their potential for significant disruption across various sectors.