Understanding common attack vectors is crucial for protecting networks and systems from cybercriminals. Attack vectors refer to methods used by hackers to gain unauthorized access, while the attack surface refers to all possible vulnerabilities. Common attack vectors include social engineering, phishing, email scams, compromised or weak credentials, unsecured wifi networks, outdated software and operating systems, ransomware, third-party breaches, configuration weaknesses, zero-day vulnerabilities, Distributed Denial of Service (DDoS), SQL injections, and Cross-Site Scripting (XSS). These attack vectors can be used to steal data, disrupt services, or extort money from victims. By understanding these common attack vectors, organizations can take steps to protect themselves from cyber threats, such as implementing good cyber hygiene, patching software, using strong passwords, and educating employees about security risks.