While some adware is relatively safe, other variations use tracking tools to retrieve information about your site or browsing history and display targeted ads on your screen. Programs automatically send advertisements to host computers.Ĭommon types of adware programs include contextual advertisements on web pages and in-program advertisements that often accompany free software. It may also change specific security settings on your computer or interfere with network connections.Īdware is one of the most common nuisances encountered online. Spyware acts as its name suggests, spying what you do on your computer It collects data such as keylogger entries, browsing habits, and login information that are sent to third parties, typically cybercriminals. Once the Rootkit is active, it becomes the master of the system, even anti-virus programs and other protection software will be unable to act effectively. Other technical means may hide a Rootkit, for example the protection systems of Audio CDs. The goal of a Rootkit will be to take remote control of your computer through a Backdoor.īut it can also hide other parasitessuch as spyware, trojan or serve as a client to bot networks. The possibility of becoming almost undetectable.Changing the operation of an operating system.Since the user is generally unaware that he has installed a Trojan horse, the security of the computer device depends on the ability of its antivirus to recognize the malicious code, isolate it and delete it.Ī backdoor, also known as Remote Administration Tool (RAT), is an application that allows certain users (system administrators or cybercriminals) to access the system of a computer without the user authorizing it or not know.ĭepending on the RAT feature, the hacker can install and launch other software, send keyboard commands, download or delete files, turn on your microphone or camera, and record your computer's activity to communicate to the hacker.Ī rootkit is a very complex malware that gets attached to the core of an operating system(Windows - Linux), which is why it is very difficult to detect and remove. ![]() The main Trojan horses are programs opening ports of the machine, that is to say, allowing its designer to enter your machine through the network by opening a backdoor. Trojans are called this way because they act like the Trojan horse of Greek mythology, pretending to be legitimate programs while carrying out malicious operations. The worm is often transmitted to computers in different ways, such as email, obscure source programs, forum sites, DVDs and pirated game CDs. Unlike viruses, worms do not require human intervention to spread and infect computers: this is a program that can use computer networks to infect other connected machines without the help of users. In order for a virus to infect your computer, you must launch the infected program, which in turn triggers the virus code. Once a virus successfully joins a program, file, or document, it remains inactive until special circumstances cause its code to run on the computer or device. ![]() This can cause unexpected effects or damage: for example, it will damage system software by altering or destroying data. ![]() The computer virus is embedded in a program or attached to a legitimate document that supports macros in order to execute its code. In more technical terms, a computer virus is a type of code or malicious program that aims to change the operation of a computer and to spread from one machine to another. Like a virus that can not reproduce without a host cell, the computer virus can not proliferate without a program, such as a file or document. Just like the flu virus, a computer virus is designed to spread from one host to another, with the ability to replicate. Here are the most common types of malware: What are the different types of malware ?Ī malware is a program developed for the purpose of harming a computer system, without the consent of the user whose computer is infected.
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