Cyber Threats and Attack Overview

For cyber security, risk is the integrated effect of vulnerabilities, threats, and potential impact of cyber-attacks. Vulnerability is the potential weaknesses in the cyber security system. Threat is a possibility of cyber-attack by making use of system vulnerabilities. Internet and Internet of things (IoT) are the major threat entities. Data threat is increasing with scaling of new web applications. Some plug-ins are letting malwares enter in the system. Phishing is getting smart and passwords no longer guarantee security. Main threat actors are cyber criminals, nation states, and hacktivists.