Types of Malware and Malvertising
Malware, short for malicious software, is any kind of software designed to harm devices, networks, or data. Cybercriminals use malware to steal information, disrupt operations, or collect ransom payments from individuals and organizations.
A single malware infection can impact a user’s work productivity, cause devices to crash, or expose sensitive data. Malware can be delivered via a variety of methods, including Trojans, exploit kits, and malvertising.
Viruses, worms, Trojans, and rootkits are some of the most common types of malware. Viruses attach themselves to other programs, and when executed — usually inadvertently by the user — they replicate themselves to other files. Worms spread between computer systems, and like viruses, they can execute malicious activities such as stealing passwords or money. Trojans masquerade as useful software and hide inside of other programs to trick users into installing them. Once they are installed, they can do anything from stealing financial information to downloading and executing additional malware.
Exploits and malvertising are automated processes that search for vulnerabilities in operating systems, web browsers, and other programs. They then use these vulnerabilities to gain access to the target system. These processes are often used by cybercriminals to steal data, deliver ads, and spread other forms of malware.