CompTIA Security+ SY0■701 — Expert Study Guide
(2026)
, 1. Threats, Attacks & Vulnerabilities
Cybersecurity professionals must understand common threat categories, attack methods, and system
vulnerabilities. Security+ emphasizes both technical and human■factor threats.
Modern attacks frequently combine social engineering, malware, and infrastructure exploitation.
Understanding attacker motivations helps design better defenses.
1 Phishing involves fraudulent communication designed to steal credentials or sensitive data.
2 Ransomware encrypts files and demands payment, often spreading laterally inside networks.
3 Zero■day vulnerabilities are unknown flaws exploited before patches exist.
4 Other threats include DDoS attacks, insider threats, supply■chain compromises, and advanced
persistent threats (APTs).
5 Vulnerability scanning and penetration testing help identify weaknesses proactively.
(2026)
, 1. Threats, Attacks & Vulnerabilities
Cybersecurity professionals must understand common threat categories, attack methods, and system
vulnerabilities. Security+ emphasizes both technical and human■factor threats.
Modern attacks frequently combine social engineering, malware, and infrastructure exploitation.
Understanding attacker motivations helps design better defenses.
1 Phishing involves fraudulent communication designed to steal credentials or sensitive data.
2 Ransomware encrypts files and demands payment, often spreading laterally inside networks.
3 Zero■day vulnerabilities are unknown flaws exploited before patches exist.
4 Other threats include DDoS attacks, insider threats, supply■chain compromises, and advanced
persistent threats (APTs).
5 Vulnerability scanning and penetration testing help identify weaknesses proactively.
