What is Malware? | UpGuard

This markdown report provides a concise primer on malware: defining what malware is, describing common types (viruses, worms, trojans, ransomware, rootkits, fileless malware, etc.), explaining common delivery and evasion techniques (phishing, drive‑by downloads, C2, polymorphism, anti‑sandboxing), outlining detection and removal steps, and offering prevention and vendor/third‑party risk management guidance; it includes historical examples such as WannaCry and Stuxnet to illustrate impact.