Named after the legendary Trojan horse, Trojans disguise themselves as legitimate software or files to deceive users. Once installed, Trojans grant unauthorised access to cybercriminals, who can steal sensitive information, install additional malware, or manipulate the compromised system. Trojans are commonly spread through email attachments, downloads, or compromised websites.
Spyware is designed to covertly monitor and gather information about a user's activities. It can track keystrokes, capture screenshots, record browsing habits, and steal sensitive data, including passwords and financial information. Spyware is often bundled with seemingly harmless downloads or hidden within malicious websites.
Adware is a type of malware that bombards users with unwanted advertisements. While not as malicious as other forms of malware, adware can be intrusive and disruptive. It may redirect browsers to unwanted websites, slow down system performance, or even collect user information for targeted advertising purposes.
Ransomware encrypts a victim's files or locks their computer system, rendering the data inaccessible. The attackers behind the ransomware then demand a ransom, usually in the form of cryptocurrency, in exchange for decrypting the files or restoring access to the compromised system.
With cybercriminals continuously innovating to exploit vulnerabilities and compromise systems, the landscape of malware is continuously evolving. Understanding the different types of malware is essential for individuals and organisations to implement robust cybersecurity measures.
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