{"id":76,"date":"2023-05-25T14:11:29","date_gmt":"2023-05-25T17:11:29","guid":{"rendered":"https:\/\/bnftec.com\/?p=76"},"modified":"2025-07-25T21:36:17","modified_gmt":"2025-07-26T00:36:17","slug":"ataque-de-ransomware-o-que-e-como-funciona-e-como-se-proteger","status":"publish","type":"post","link":"https:\/\/bnftec.com\/en\/ataque-de-ransomware-o-que-e-como-funciona-e-como-se-proteger\/","title":{"rendered":"Ransomware Attack: What It Is, How It Works, and How to Protect Your Business Right Now"},"content":{"rendered":"<p class=\"has-black-color has-text-color has-link-color wp-elements-78237bbac1e23a51ac834c19541b092a\">Imagine starting your workday and, when you turn on your computer, discovering that all your files are encrypted.<br>On the screen, a cold warning: <strong>\u201cIf you want your data back, pay the ransom.\u201d<\/strong><br>This is the real scenario of an attack <strong>ransomware<\/strong> \u2014 one of the most devastating digital crimes in the world, capable of paralyzing companies of any size.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-1ebf31c339afa07d621f8350b30922bf\">According to a report by Check Point Research, ransomware attacks have grown by more than <strong>40% in 2024 in Brazil<\/strong>. Therefore, understanding how they work is the first step to protecting yourself.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-9432e7fae4bfe9c7188d42067998b065\"><strong>What is a ransomware attack?<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-c424df4e5c894765bc4c050dba194855\">Ransomware is a type of <strong>malware (malicious software)<\/strong> that invades devices and <strong>hijack data<\/strong>, preventing access until the victim pays a \u201cransom.\u201d<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-598fae0971b0b7c152bd4c6a026d81dc\">In practice, it is a <strong>digital kidnapping<\/strong>: Criminals encrypt files or even entire systems and demand payment\u2014usually in cryptocurrency\u2014to grant access.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-e80b8518ec0cb0116737270de6991dc1\"><strong>How does a ransomware attack work?<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-73ebd984058120337df89c55ef01d3bc\">A ransomware attack typically follows this cycle:<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-1342b278fd4ac20229d1161a367bdf8e\"><strong>(Sometimes) Leak:<\/strong> stolen data is threatened with publication.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-2897c38d0148b9201c29b10215abe5ea\"><strong>Infection:<\/strong> via phishing emails, fake websites, malicious attachments, or security breaches.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-22f00dfcf90378008c61df0c22143fc9\"><strong>Silent execution:<\/strong> malware installs itself unnoticed.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-28a5a2b9f51fe6ee0590e7de32864437\"><strong>Encryption:<\/strong> data scrambled with a key unique to the attacker.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-45a8f4a3caf81c8b26ba8361dc1ae569\"><strong>Redemption Notice:<\/strong> message requires payment to release access.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-2f7788ac2c05fc4a57e4fc1bf6bde00a\"><strong>Why should your company care?<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-f5ca63834ea756219ed33fa933fb8782\">The impacts go far beyond the financial:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-black-color has-text-color has-link-color wp-elements-86d906e478f2a4b65f23639aa1e91526\"><strong>Total shutdown of operations<\/strong><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-1117e3e4e7a4f6a60d5ee646a8aa7d39\"><strong>Leakage of sensitive data<\/strong><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-88de0bca74d101f7528e3ad0c9ab194d\"><strong>Loss of trust from customers and partners<\/strong><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-ed19d3bda879cfcf4ba8eef70e5420e4\"><strong>Fines and problems with the LGPD<\/strong><\/li>\n\n\n\n<li class=\"has-black-color has-text-color has-link-color wp-elements-b64c8217149c77a5192b6c6cfce22c1d\"><strong>Damage to reputation and brand image<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-38a3ca9ee8eea678d6c256388ba7625f\">And worse: <strong>paying the ransom does not guarantee the return of the data<\/strong>.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-96b08fd17ae9b2535881531a272f4ecc\"><strong>How to protect yourself from a ransomware attack?<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-d2c5f691e8e755396c5bb73df49f7419\">At BNF, we advocate a knowledge-based approach <strong>prevention and rapid response<\/strong>.<br>See the main actions:<\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-bb25a052db0dd84406427beddb393553\"><strong>Well-defined access policies<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-75af2d5957d7ec8d707e546862c45d78\"><strong>Frequent backups outside the main environment<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-ae7c5c90aaa476cd951c5cb16b9308e4\"><strong>Updated Antivirus and EDR<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-05546f0160a1fbefe7bb608869ad3256\"><strong>Employee training<\/strong> (social engineering is a common door)<\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-59c7e70dc8579aa2ff45b88d5d1cbd13\"><strong>Continuous Monitoring (SOC)<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-a11a64c504195fa507411892b81f4999\"><strong>Pentests and vulnerability analysis<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote has-black-color has-text-color has-link-color wp-elements-f4ccded49fd0199e2fecf9d9aa0d0bc4 is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n<\/blockquote>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-90a15e9ea48646e74ea9ed26b75ad6ea\"><strong>What if your company is attacked?<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-02f3e4c24e467539a5772af3c8f6e3ee\">Don&#039;t panic \u2014 and <strong>never pay the ransom without technical guidance<\/strong>.<br>Act fast: contact a specialized team (like <strong>BNF<\/strong>) to contain the attack, recover data, and prevent recurrence.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color has-medium-font-size wp-elements-e13bbd7044e183df24aaf72c5a004e83\"><strong>Conclusion<\/strong><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-73ba2dbc33aed195a4c0b3d66cea39b8\">Ransomware attacks are brutal, but <strong>avoidable<\/strong>.<br>With technology, well-defined processes, and an experienced team, your company can face this threat safely and intelligently.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-5920f730520cf6bf6fdd3cc05b28fbcc\">In the <strong>BNF<\/strong>, we unite <strong>24\/7 monitoring, rapid response and cyber intelligence<\/strong> to protect what is valuable to your operation.<br><strong>Don&#039;t wait to be the next victim. Talk to our experts now and find out how to protect your company against ransomware and other digital threats.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Imagine starting your workday and, when you turn on your computer, discovering that all your files are encrypted.<br \/>\nOn the screen, a cold warning: \u201cIf you want your data back, pay the ransom.\u201d<br \/>\nThis is a real-life ransomware attack scenario\u2014one of the world&#039;s most devastating digital crimes, capable of paralyzing businesses of any size.<\/p>","protected":false},"author":1,"featured_media":683,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[1],"tags":[38,33,31],"class_list":["post-76","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sem-categoria","tag-ciberseguranca-24x7","tag-correcao-de-falhas","tag-gestao-de-vulnerabilidades"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Ataque Ransomware: Como Proteger Seus Dados - BNF Cyber Security<\/title>\n<meta name=\"description\" content=\"Entenda o ataque ransomware e como ele pode sequestrar seus dados. 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