{"id":191371,"date":"2024-12-05T18:36:00","date_gmt":"2024-12-05T17:36:00","guid":{"rendered":"https:\/\/datascientest.com\/en\/?p=191371"},"modified":"2024-12-04T20:36:58","modified_gmt":"2024-12-04T19:36:58","slug":"antivirus-useful-nowadays","status":"publish","type":"post","link":"https:\/\/datascientest.com\/en\/antivirus-useful-nowadays","title":{"rendered":"Antivirus: Is it still useful nowadays?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"191371\" class=\"elementor elementor-191371\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0c36922 e-flex e-con-boxed e-con\" data-id=\"0c36922\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-592a44e elementor-widget elementor-widget-text-editor\" data-id=\"592a44e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p><b>A few years ago, using a computer (even a personal one) without installing antivirus software was unimaginable. However, with technology evolving so rapidly, these programs might now seem outdated.<\/b><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d72f14 elementor-widget elementor-widget-text-editor\" data-id=\"5d72f14\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Individuals benefit from protection systems integrated directly into their operating systems (such as Windows Defender). As for companies, most possess a multilayered security arsenal to fend off potential attacks. In this scenario, <\/span><b>is antivirus software still useful in 2024?<\/b><span style=\"font-weight: 400;\"> The answer is yes. DataScientest explains the usefulness of these tools and the criteria for selection.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f11f8ff e-flex e-con-boxed e-con\" data-id=\"f11f8ff\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3d36e7b elementor-widget elementor-widget-heading\" data-id=\"3d36e7b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h3 class=\"elementor-heading-title elementor-size-default\">What is an antivirus?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f074528 elementor-widget elementor-widget-text-editor\" data-id=\"f074528\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">An antivirus is a <\/span><b>piece of software designed to protect your computing devices from threats<\/b><span style=\"font-weight: 400;\"> such as viruses, <a href=\"https:\/\/datascientest.com\/en\/all-about-malware\">malware<\/a>, <a href=\"https:\/\/datascientest.com\/en\/all-about-ransomware\">ransomware<\/a>, and more. This security solution can detect, block, and eliminate these dangers, thereby safeguarding your personal data and ensuring the proper functioning of your devices.<\/span><\/p><p><span style=\"font-weight: 400;\">So how does it work in practice? This <\/span><b>protection solution operates in the background,<\/b><span style=\"font-weight: 400;\"> continuously scanning the files, websites, or emails you access or download. During this scan, the antivirus compares malicious codes against a regularly updated database. This enables it to identify suspicious files or behaviors. Once detected, these are quarantined to prevent infection, or even deleted if necessary.<\/span><\/p><p><span style=\"font-weight: 400;\">Some software goes further by monitoring the Dark Web to ensure your personal data is not compromised.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78b860f elementor-widget elementor-widget-image\" data-id=\"78b860f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"571\" src=\"https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-2.webp\" class=\"attachment-full size-full wp-image-191380\" alt=\"\" srcset=\"https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-2.webp 1000w, https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-2-300x171.webp 300w, https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-2-768x439.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7233b7b elementor-align-center button-principal elementor-widget elementor-widget-button\" data-id=\"7233b7b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/datascientest.com\/en\/data-courses\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Discover our courses<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c140e6c e-flex e-con-boxed e-con\" data-id=\"c140e6c\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fb7be81 elementor-widget elementor-widget-heading\" data-id=\"fb7be81\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is the purpose of antivirus protection?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72e0971 elementor-widget elementor-widget-text-editor\" data-id=\"72e0971\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">An antivirus is much more than just a shield against viruses. It helps you <\/span><b>navigate the digital world safely<\/b><span style=\"font-weight: 400;\">. How?<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By detecting and eliminating malware before it damages your system.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By providing real-time protection for your computer.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By continuously monitoring your device&#8217;s activities to spot any suspicious behavior.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By analyzing attachments and links in emails to prevent phishing attacks.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By using <a href=\"https:\/\/datascientest.com\/en\/artificial-intelligence-course-why-and-how-to-become-an-ai-expert\">artificial intelligence<\/a> and <a href=\"https:\/\/datascientest.com\/en\/guide-to-modeling-a-machine-learning-project-steps-and-best-practices\">machine learning<\/a> to adapt to evolving and sophisticated threats.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">By integrating firewalls to filter network traffic.<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-af9a35b e-flex e-con-boxed e-con\" data-id=\"af9a35b\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d989b1 elementor-widget elementor-widget-heading\" data-id=\"2d989b1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What level of protection does an antivirus offer?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14072c6 elementor-widget elementor-widget-text-editor\" data-id=\"14072c6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Modern antivirus programs <\/span><b>guard against a wide array of online threats<\/b><span style=\"font-weight: 400;\">, such as viruses, <a href=\"https:\/\/datascientest.com\/en\/all-about-malware\">malware<\/a>, <a href=\"https:\/\/datascientest.com\/en\/all-about-ransomware\">ransomware<\/a>, spyware, keyloggers, rootkits, adware, trojans (Trojan horses), and more. As soon as these attacks attempt to breach your information system, the software detects and blocks them before they can penetrate.<\/span><\/p><p><span style=\"font-weight: 400;\">However, note that <\/span><b>antivirus protection solutions are not foolproof<\/b><span style=\"font-weight: 400;\">. There are certain threats for which they prove insufficient, namely:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Phishing attacks:<\/b><span style=\"font-weight: 400;\"> these often exploit users&#8217; gullibility by tricking them into revealing sensitive information via fake emails or deceptive messages. Even the best antivirus can <\/span><b>miss it if you click on a suspicious link.<\/b><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Zero-Day attacks:<\/b><span style=\"font-weight: 400;\"> they exploit vulnerabilities unknown to developers. Since they are not listed in antivirus databases, they are more challenging to anticipate and therefore harder to block.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Drive-By Downloads:<\/b><span style=\"font-weight: 400;\"> a simple click on a corrupted site can trigger the installation of malware in the background, often without any warning.<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4234cf elementor-widget elementor-widget-image\" data-id=\"e4234cf\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"571\" src=\"https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-3.webp\" class=\"attachment-full size-full wp-image-191384\" alt=\"\" srcset=\"https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-3.webp 1000w, https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-3-300x171.webp 300w, https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-3-768x439.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e32ff84 elementor-align-center button-principal elementor-widget elementor-widget-button\" data-id=\"e32ff84\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/datascientest.com\/en\/data-courses\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Find a course for you<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9c7757 elementor-widget elementor-widget-text-editor\" data-id=\"a9c7757\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">What&#8217;s the key against these threats? Stay vigilant and adopt <a href=\"https:\/\/datascientest.com\/en\/cybersecurity-the-ultimate-guide\">good cybersecurity practices<\/a> (such as securing passwords, being especially cautious when browsing on public WiFi networks, and being aware of fraudulent emails, etc.).<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a667f7 e-flex e-con-boxed e-con\" data-id=\"5a667f7\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ebed5c elementor-widget elementor-widget-heading\" data-id=\"8ebed5c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How to choose an antivirus software?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f53106a elementor-widget elementor-widget-text-editor\" data-id=\"f53106a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">From Norton to Avast, Kaspersky to AVG, Eset to Avira, including Bitdefender, McAfee, or F-Secure, there are numerous antivirus software providers. The goal of this article is not to offer you a comparison of the best antivirus on the market, but to provide you with the criteria for selection, such as:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Protection level:<\/b><span style=\"font-weight: 400;\"> The software must be capable of identifying and neutralizing a broad range of threats, such as viruses, malware, phishing, and more.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Complementary protection modules:<\/b><span style=\"font-weight: 400;\"> such as unlimited VPN for privacy protection, parental controls to supervise your children&#8217;s digital use, or online identity monitoring tools.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Regular updates:<\/b><span style=\"font-weight: 400;\"> As cyber threats constantly evolve, the software must be regularly updated or risk becoming obsolete against new attacks.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Performance level:<\/b><span style=\"font-weight: 400;\"> A good protection solution should not slow down your device.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Compatibility:<\/b><span style=\"font-weight: 400;\"> Some antiviruses specialize in specific systems. Hence, it is important to check if it works on all your devices.<\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f290cfb elementor-widget elementor-widget-text-editor\" data-id=\"f290cfb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">With these criteria, you can choose the best protection for your information system.<\/span><\/p><p><span style=\"font-weight: 400;\">However, if you possess sensitive personal data, antivirus alone proves insufficient. This is where <a href=\"https:\/\/datascientest.com\/en\/data-protection-officer-training-how-do-i-become-a-dpo\">cybersecurity training<\/a> comes in. Through this learning, you will be taught how to protect any information system from the most innovative threats.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43fbcc0 elementor-widget elementor-widget-image\" data-id=\"43fbcc0\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"571\" src=\"https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-1.webp\" class=\"attachment-full size-full wp-image-191391\" alt=\"\" srcset=\"https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-1.webp 1000w, https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-1-300x171.webp 300w, https:\/\/datascientest.com\/en\/files\/2024\/11\/antivirus-datascientest-1-768x439.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ae9fdd elementor-align-center button-principal elementor-widget elementor-widget-button\" data-id=\"4ae9fdd\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/datascientest.com\/en\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Join DataScientest<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0e5a8c7 e-flex e-con-boxed e-con\" data-id=\"0e5a8c7\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c520a0 elementor-widget elementor-widget-html\" data-id=\"7c520a0\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is an antivirus?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"An antivirus is software designed to detect, prevent, and remove malicious software (malware) such as viruses, trojans, worms, ransomware, and spyware. 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However, with technology evolving so rapidly, these programs might now seem outdated. Individuals benefit from protection systems integrated directly into their operating systems (such as Windows Defender). As for companies, most possess a multilayered security arsenal to fend [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":191373,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2426],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Antivirus: Is it still useful nowadays?<\/title>\n<meta name=\"description\" content=\"Even though modern computers come with an effective security system, antivirus software provides additional protection. 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