![]() These solutions can be used in conjunction with traditional antivirus software or as an alternative to it. There are a number of alternatives to antivirus, including host-based intrusion detection systems (HIDS), network-based intrusion detection systems (NIDS) and behaviour monitoring. It may slow down your computer and cause other problems.Extra featuresĬheck if there are any extra features included in the package such as parental controls or anti-theft protection. You want to make sure that the product is compatible with your operating system and device (if it’s an app). For what do I need to look out for when comparing an antivirus? Product compatibility This type of protection can be more effective against zero day attacks because it does not rely on having an up-to date definition file available before the attack occurs. Heuristics/Behavioural Antivirus detects new threats by analysing their behaviour rather than relying on a pre-defined list of virus definitions (signatures). Signature-based antivirus uses a database that contains signatures for known viruses, worms, Trojans etc., to detect them when they infect your computer or try to send out spam emails from it. One is signature based and the other heuristic/behavioural. There are two types of antivirus software. This way, when you do come across something that could be dangerous or harmful to your system, the software will detect and remove it before any damage can occur. It is a good idea to have one installed on your computer, even if you don’t think it needs protection. An effective antivirus solution should include real-time protection so it scans all incoming data packets before they reach their destination – this is especially important if using public Wi-Fi networks where hackers could try to access sensitive data being transmitted over an unsecured connection.Įveryone should use an antivirus.Antivirus software also blocks adware programs which are used to display unwanted ads in web browsers when surfing the Internet (these ads may be malicious).A good antivirus program will help protect against identity theft by blocking key-loggers and spyware programs that track what you type into your keyboard to capture passwords for online accounts such as email, banking sites and social networking services like Facebook.It helps you avoid the embarrassment of having a virus-infected PC at work or school.It protects your computer from viruses, worms and other malware that can steal personal information or damage files on your hard drive.It scans the files you download and blocks any malicious programs before they can infect your system. Advantages and ApplicationsĪntivirus software is a program that protects your computer from viruses. ![]() ![]() The antivirus program then removes any infected files from your computer’s hard drive and quarantines them so they cannot infect other computers on your network. It also scans the file system to detect changes that may indicate a virus infection, such as new or modified executable code in an application directory. Antivirus software works by scanning files and memory for known viruses. ![]()
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