{"id":80907,"date":"2026-07-06T16:49:17","date_gmt":"2026-07-06T09:49:17","guid":{"rendered":"https:\/\/itsystems.vn\/?p=80907"},"modified":"2026-07-29T11:46:29","modified_gmt":"2026-07-29T04:46:29","slug":"the-truth-about-business-ransomware-what-it-managers-need-to-know","status":"publish","type":"post","link":"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/","title":{"rendered":"The Truth About Business Ransomware: 40% of Vietnamese Companies Attacked That IT Managers Need to Know"},"content":{"rendered":"<p>In the context of strong digital transformation in Vietnam, <strong>business ransomware<\/strong> has become one of the most serious threats facing organizations. Not stopping at locking personal computers, <strong>ransomware attacks<\/strong> targeting enterprise infrastructure often lead to <strong>company data encryption<\/strong> of critical company data, causing business disruptions and significant financial losses. According to the article title, up to 40% of Vietnamese businesses have been victims of this type of attack &#8211; a figure that should alert any IT Manager.<\/p>\n<p>This article will help you understand the nature of <strong>business ransomware<\/strong>, common attack vectors, early warning signs, and especially practical <strong>ransomware prevention<\/strong> measures that are easy to implement in the Vietnamese enterprise environment.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">The content of the article<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#What_is_business_ransomware_and_why_is_it_more_dangerous_than_you_think\" >What is business ransomware and why is it more dangerous than you think?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Common_signs_that_a_business_is_facing_a_ransomware_attack\" >Common signs that a business is facing a ransomware attack<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Root_causes_making_business_ransomware_easy_to_penetrate_in_Vietnam\" >Root causes making business ransomware easy to penetrate in Vietnam<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Emergency_response_guide_when_company_data_is_encrypted_by_ransomware\" >Emergency response guide when company data is encrypted by ransomware<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Sustainable_business_ransomware_prevention_strategy_for_IT_Managers\" >Sustainable business ransomware prevention strategy for IT Managers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Building_a_security_culture_and_continuous_monitoring_to_avoid_long-term_risks\" >Building a security culture and continuous monitoring to avoid long-term risks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Related_services_from_IT_Systems\" >Related services from IT Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#When_should_a_business_ask_IT_Systems_for_support\" >When should a business ask IT Systems for support?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\" >Can IT Systems help review the current environment before proposing a solution?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Does_this_topic_connect_to_ongoing_IT_operations\" >Does this topic connect to ongoing IT operations?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/itsystems.vn\/en\/the-truth-about-business-ransomware-what-it-managers-need-to-know\/#Need_help_applying_this_to_your_business\" >Need help applying this to your business?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_business_ransomware_and_why_is_it_more_dangerous_than_you_think\"><\/span>What is business ransomware and why is it more dangerous than you think?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ransomware is a type of malicious software (malware) designed to infiltrate systems, encrypt all or part of critical data using strong encryption, then demand ransom from the victim to obtain the decryption key. In enterprise environments, <strong>business ransomware<\/strong> typically targets file servers, databases, backup systems, and key business applications.<\/p>\n<p>Unlike attacks on individuals, versions targeting businesses are more sophisticated, exploiting vulnerabilities in LAN\/WAN network infrastructure, corporate email systems, or third-party applications. The consequences go beyond ransom costs to include lost revenue from operational downtime, damage to brand reputation, and the risk of penalties under personal data protection regulations.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_signs_that_a_business_is_facing_a_ransomware_attack\"><\/span>Common signs that a business is facing a ransomware attack<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Early detection of <strong>ransomware attacks<\/strong> can significantly limit the damage. Below are common indicators that IT Managers and IT teams should watch for:<\/p>\n<ul>\n<li>Files suddenly have strange extensions (.locked, .encrypted, .crypt) or filenames are changed in bulk.<\/li>\n<li>Users cannot open familiar Word, Excel, or PDF documents even though the files remain on the hard drive.<\/li>\n<li>Systems display ransom notes on the desktop or in affected folders.<\/li>\n<li>Servers and workstations run unusually slow, with continuously high CPU\/RAM usage without demanding tasks.<\/li>\n<li>Automatic backups stop working or backup copies are also encrypted.<\/li>\n<li>Users receive suspicious emails with attachments or links leading to spoofed websites.<\/li>\n<\/ul>\n<p>If any of these signs are detected, the business must immediately isolate the affected devices from the internal network to prevent further spread.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Root_causes_making_business_ransomware_easy_to_penetrate_in_Vietnam\"><\/span>Root causes making business ransomware easy to penetrate in Vietnam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Most successful <strong>ransomware attacks<\/strong> stem from basic vulnerabilities in system administration. Common causes include:<\/p>\n<ul>\n<li>Failure to apply security patches for Windows Server, Microsoft 365 applications, and third-party software.<\/li>\n<li>Use of weak or shared passwords across multiple administrative accounts (local admin, domain admin).<\/li>\n<li>Lack of advanced enterprise email security solutions, making employees easy targets for phishing.<\/li>\n<li>Single-layer backup systems directly connected to the production network.<\/li>\n<li>Failure to implement Zero Trust principles or least-privilege access controls.<\/li>\n<li>IT staff handling multiple roles with insufficient time to monitor logs and detect anomalies.<\/li>\n<\/ul>\n<p>These issues create &#8220;backdoors&#8221; for cybercriminals to exploit, especially as ransomware-as-a-Service (RaaS) becomes increasingly popular and easily available on the dark web.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Emergency_response_guide_when_company_data_is_encrypted_by_ransomware\"><\/span>Emergency response guide when company data is encrypted by ransomware<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once a <strong>ransomware attack<\/strong> is confirmed, acting in the correct sequence is critical. Here is a practical response workflow:<\/p>\n<ul>\n<li><strong>Immediate isolation step:<\/strong> Disconnect all suspected devices from LAN, WiFi, and VPN. Do not power off machines abruptly to avoid corrupting additional evidence.<\/li>\n<li><strong>Protect remaining data:<\/strong> Check whether offline (air-gapped) or cloud backups remain clean. Only restore after malware has been completely removed.<\/li>\n<li><strong>Collect information:<\/strong> Record the ransomware variant name (usually shown in the ransom note), scope of affected data, and time of discovery.<\/li>\n<li><strong>Notify leadership and relevant departments:<\/strong> Do not pay the ransom, as there is no guarantee data will be fully restored and the business risks a second attack.<\/li>\n<li><strong>Cooperate with specialists:<\/strong> Immediately contact <a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">IT Support services<\/a> specializing in security incidents to perform forensics and safely restore systems.<\/li>\n<\/ul>\n<p>After regaining control, change all passwords, review the entire infrastructure, and implement additional protection layers.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sustainable_business_ransomware_prevention_strategy_for_IT_Managers\"><\/span>Sustainable business ransomware prevention strategy for IT Managers<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Ransomware prevention<\/strong> is not simply installing antivirus software and considering the job done. Businesses must build a defense-in-depth security system with multiple layers:<\/p>\n<ul>\n<li>Implement 3-2-1-1-0 backup: 3 copies, 2 media types, 1 offline, 1 immutable (unmodifiable), 0 errors on recovery.<\/li>\n<li>Use Email Security Gateway combined with regular phishing awareness training for employees.<\/li>\n<li>Deploy Endpoint Detection and Response (EDR) instead of traditional antivirus.<\/li>\n<li>Apply security patches on a fixed monthly schedule and perform regular vulnerability scans.<\/li>\n<li>Implement Multi-Factor Authentication (MFA) for all remote access accounts.<\/li>\n<li>Develop and test a Disaster Recovery Plan at least twice per year.<\/li>\n<\/ul>\n<p>Additionally, partnering with professional <a href=\"https:\/\/itsystems.vn\/en\/it-helpdesk-service\/\">IT Helpdesk services<\/a> helps reduce the burden on internal teams while ensuring 24\/7 support when incidents occur.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Building_a_security_culture_and_continuous_monitoring_to_avoid_long-term_risks\"><\/span>Building a security culture and continuous monitoring to avoid long-term risks<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>IT Managers must shift from a &#8220;defense&#8221; mindset to &#8220;detect and respond rapidly.&#8221; Implementing Security Information and Event Management (SIEM) or centralized log monitoring tools helps detect anomalies early. Regular Penetration Testing (pentest) also helps identify vulnerabilities before hackers can exploit them.<\/p>\n<p>Ultimately, business leaders must view security as a shared responsibility, not solely the IT department&#8217;s. When every employee understands the risks of <strong>company data encryption<\/strong>, the threat of <strong>ransomware attacks<\/strong> will be significantly reduced.<\/p>\n<p><strong>Business ransomware<\/strong> is not a threat that can be completely eliminated, but it can be effectively controlled if businesses have a clear strategy, robust security infrastructure, and support from specialized professionals. Don&#8217;t wait until your data is encrypted to take action. Start strengthening your security systems today to protect your organization&#8217;s business future.<br \/>\n<!-- its-deep-aio-en-related-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-related\" aria-label=\"Related IT Systems services\">\n<h2><span class=\"ez-toc-section\" id=\"Related_services_from_IT_Systems\"><\/span>Related services from IT Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If your team is dealing with this issue in a live business environment, these services can help you move from diagnosis to a stable operating process.<\/p>\n<ul>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/microsoft-windows-licensing\/\">Windows licensing for business<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/windows-license-pricing\/\">Windows license pricing<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">IT support services<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- its-deep-aio-en-faq-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-faq\" aria-label=\"Frequently asked questions\">\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"When_should_a_business_ask_IT_Systems_for_support\"><\/span>When should a business ask IT Systems for support?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ask for support when the issue affects users, business data, security, licensing compliance, service availability or daily operations. A short technical review often prevents repeated incidents and hidden costs.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\"><\/span>Can IT Systems help review the current environment before proposing a solution?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. IT Systems can review the current setup, identify risks, map the issue to the right service scope and recommend a practical next step for your business.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_this_topic_connect_to_ongoing_IT_operations\"><\/span>Does this topic connect to ongoing IT operations?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In most cases, yes. Problems around software, cloud, endpoint, network, backup or security should be connected to a broader IT operations plan instead of being handled as isolated incidents.<\/p>\n<\/section>\n<p><!-- its-deep-aio-en-cta-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-cta\" aria-label=\"Contact IT Systems\">\n<h2><span class=\"ez-toc-section\" id=\"Need_help_applying_this_to_your_business\"><\/span>Need help applying this to your business?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>IT Systems Vietnam can help assess the issue, recommend the right service path and support implementation for your team.<\/p>\n<p><a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/contact-it-systems-vietnam\/\">Contact IT Systems<\/a> <a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">View IT support services<\/a><\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>In the context of strong digital transformation in Vietnam, business ransomware has become one of the most serious threats facing organizations. Not stopping at locking personal computers, ransomware attacks targeting enterprise infrastructure often lead to company data encryption of critical company data, causing business disruptions and significant financial losses. According to the article title, up [&hellip;]<\/p>\n","protected":false},"author":54,"featured_media":80905,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"business ransomware,ransomware attack,company data encryption,ransomware prevention","rank_math_title":"","rank_math_description":"The truth about business ransomware: 40% of Vietnamese businesses have been hit by ransomware attacks. Discover the root causes, early warning signs, and effective ransomware prevention strategies to protect company data from company data encryption.","rank_math_robots":"","rank_math_canonical_url":"","rank_math_schema":"","footnotes":""},"categories":[2144],"tags":[],"class_list":["post-80907","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-it-guide"],"wpml_current_locale":"en_US","wpml_translations":{"vi_VN":{"locale":"vi_VN","id":80904,"slug":"su-that-ve-ransomware-doanh-nghiep-it-manager-can-biet","post_title":"S\u1ef1 th\u1eadt v\u1ec1 ransomware doanh nghi\u1ec7p: 40% doanh nghi\u1ec7p Vi\u1ec7t Nam b\u1ecb t\u1ea5n c\u00f4ng m\u00e0 IT Manager c\u1ea7n bi\u1ebft","href":"https:\/\/itsystems.vn\/su-that-ve-ransomware-doanh-nghiep-it-manager-can-biet\/"}},"_links":{"self":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/80907","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/users\/54"}],"replies":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/comments?post=80907"}],"version-history":[{"count":4,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/80907\/revisions"}],"predecessor-version":[{"id":86153,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/80907\/revisions\/86153"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media\/80905"}],"wp:attachment":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media?parent=80907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/categories?post=80907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/tags?post=80907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}