{"id":25649,"date":"2026-01-15T10:00:00","date_gmt":"2026-01-15T09:00:00","guid":{"rendered":"https:\/\/defenderbox.de\/?p=25649"},"modified":"2026-03-11T17:29:28","modified_gmt":"2026-03-11T16:29:28","slug":"review2025","status":"publish","type":"post","link":"https:\/\/defenderbox.de\/en\/rueckblick2025\/","title":{"rendered":"Review of IT security 2025"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"25649\" class=\"elementor elementor-25649\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-532d0d20 e-con-full e-flex e-con e-parent\" data-id=\"532d0d20\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3fe7f8fd elementor-widget elementor-widget-text-editor\" data-id=\"3fe7f8fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>From ransomware to AI risks<\/strong><\/h2>\n<!-- \/wp:heading --><!-- wp:paragraph -->\n<p style=\"font-weight: 400;\">2025 was another intense year for the IT and information security industry. The threats became more diverse, <strong>More professional attacks<\/strong> - and the reactions to it required a rethink. Companies, authorities and security teams have made significant progress, but the challenges remain high.<\/p>\n<p style=\"font-weight: 400;\">In this review of IT security in 2025, we show the key developments, risks and perhaps also lessons learned from the past year - with facts and figures that illustrate where companies need to be particularly vigilant.<\/p>\n<!-- \/wp:paragraph --><!-- wp:heading -->\n<h3 style=\"font-weight: 400;\"><span style=\"color: #000000;\"><strong>1. the threat situation is intensifying<\/strong><\/span><\/h3>\n<!-- \/wp:heading --><!-- wp:paragraph -->\n<p>The same speech over and over again, but unfortunately it's true! A cyberattack can really affect anyone.\u00a0<\/p>\n<p style=\"font-weight: 400;\">A key feature of 2025 was the increase in professional cyber attacks:<\/p>\n<ul style=\"font-weight: 400;\">\n<li><strong>Ransomware:<\/strong>\u00a06,330 incidents between January and September - an increase of\u00a0<strong>47 %<\/strong> compared to 2024*.<\/li>\n<li><strong>DDoS attacks:<\/strong>\u00a0Botnets with compromised IoT devices generated traffic spikes of over\u00a0<strong>29 terabits per second**<\/strong>.<\/li>\n<li><strong>AI-supported attacks:<\/strong>\u00a0Automated phishing campaigns and deepfakes make it difficult to distinguish between legitimate and malicious actions.<\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\">Conclusion<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Attackers are becoming faster, more professional and more automated. Companies therefore need to <\/span>Design resilient <span style=\"font-weight: 400;\">and consistently implement defense mechanisms.<\/span><\/p>\n<h3 style=\"font-weight: 400;\"><strong><span style=\"color: #000000;\">2. geopolitics &amp; state-sponsored attacks<\/span><\/strong><\/h3>\n<p style=\"font-weight: 400;\">It was not only classic cybercrime that shaped 2025 - it was also\u00a0<a href=\"https:\/\/defenderbox.de\/en\/geopolitical-weapon\/\" target=\"_blank\" rel=\"noopener\">State-motivated attacks<\/a>\u00a0increased:<\/p>\n<ul style=\"font-weight: 400;\">\n<li>Complex malware operations secured long-term access to critical infrastructures.<\/li>\n<li>International tensions were reflected in cyber activities.<\/li>\n<li>NATO member states carried out the largest ever simulation of a digital conflict in Tallinn to test hybrid attacks on civilian and military systems.<\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\">What do we learn from this?<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"color: #000000;\">Cybersecurity is no longer a purely technical issue, but a strategic issue at state and corporate level.<\/span><strong><br \/><\/strong><\/p>\n<h3><span style=\"color: #000000;\">3. supply chains, cloud &amp; third-party risks<\/span><\/h3>\n<p style=\"font-weight: 400;\">In 2025, the\u00a0<a href=\"https:\/\/defenderbox.de\/en\/thinking-strategically-about-cyber-security\/\" target=\"_blank\" rel=\"noopener\">Securing supply chains and third-party providers<\/a>\u00a0increasingly in focus:<\/p>\n<ul style=\"font-weight: 400;\">\n<li>Attackers exploited vulnerabilities in\u00a0<strong>Third-party components<\/strong>, to penetrate deep into target networks.<\/li>\n<li>Several high-profile supply chain attacks had a measurable impact on companies in Europe (see SolarWind attack).<\/li>\n<li>Companies must minimize risks\u00a0<strong>beyond your own network<\/strong>\u00a0evaluate and control - through risk management, contracts and continuous monitoring.<\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\">Mnemonic<\/span><\/h3>\n<p style=\"font-weight: 400;\">Security does not end at the corporate network - vulnerabilities can affect partners directly.<\/p>\n<h3><span style=\"color: #000000;\">4th People &amp; Insider-Threats<\/span><\/h3>\n<p style=\"font-weight: 400;\">Unfortunately, technology alone does not protect us! 2025 also showed that <a href=\"https:\/\/defenderbox.de\/en\/phished\/\" target=\"_blank\" rel=\"noopener\">Employees the critical safety component<\/a>\u00a0are.<\/p>\n<ul style=\"font-weight: 400;\">\n<li><strong>Insider Threats<\/strong>\u00a0are caused by carelessness, errors or deliberate manipulation.<\/li>\n<li>Awareness programs and a\u00a0<strong>Strong safety culture<\/strong>\u00a0significantly increase the effectiveness of technical measures.<\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\">5. regulation &amp; standards<\/span><\/h3>\n<p style=\"font-weight: 400;\">Legal requirements moved further into focus:<\/p>\n<ul style=\"font-weight: 400;\">\n<li>The\u00a0<a href=\"https:\/\/defenderbox.de\/en\/white-paper\/\" target=\"_blank\" rel=\"noopener\">NIS2 Directive<\/a>\u00a0presented companies with new requirements regarding reporting obligations, risk management and security controls.<\/li>\n<li>International conferences, such as escar Europe 2025, enabled the exchange of information on\u00a0<strong>Best practices and new standards<\/strong>.<\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\">Conclusion<\/span><\/h3>\n<p style=\"font-weight: 400;\">Compliance must be proactively embedded in security processes, not just reactively.<\/p>\n<h3><span style=\"color: #000000;\">6 AI as risk &amp; opportunity<\/span><\/h3>\n<p data-start=\"195\" data-end=\"241\">AI technologies were doubly relevant in 2025:<\/p>\n<ul data-start=\"243\" data-end=\"652\">\n<li data-start=\"243\" data-end=\"400\">\n<p data-start=\"245\" data-end=\"400\"><strong data-start=\"245\" data-end=\"263\">For attackers:<\/strong> Automated phishing campaigns, deepfakes and attack scripts make it difficult to distinguish between legitimate and malicious actions.<\/p>\n<\/li>\n<li data-start=\"401\" data-end=\"652\">\n<p data-start=\"403\" data-end=\"652\"><strong data-start=\"403\" data-end=\"428\">For the defense:<\/strong> Security teams rely on AI-supported solutions such as <strong><a href=\"https:\/\/defenderbox.de\/en\/product\/\" target=\"_blank\" rel=\"noopener\">DEFENDERBOX<\/a><\/strong>, to efficiently analyze alerts, detect anomalies and trigger prioritized responses <strong data-start=\"596\" data-end=\"649\">making defense faster, more precise and scalable<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"654\" data-end=\"833\"><span style=\"color: #000000;\">Key Fact<\/span><\/h3>\n<p data-start=\"654\" data-end=\"833\">Start-ups for AI-based cyber defense received in 2025 <a href=\"https:\/\/defenderbox.de\/en\/seed-investment\/\" target=\"_blank\" rel=\"noopener\">Financing<\/a> - The trend towards intelligent, automated protection mechanisms will continue to grow.<\/p>\n<p data-start=\"835\" data-end=\"960\"><strong data-start=\"835\" data-end=\"847\">However<\/strong> advanced AI models can themselves create new risks - a clear governance model remains mandatory.<\/p>\n<h3 style=\"font-weight: 400;\"><span style=\"color: #000000;\"><strong>7. facts for companies<\/strong><\/span><\/h3>\n<p style=\"font-weight: 400;\">2025 made clear: <a href=\"https:\/\/defenderbox.de\/en\/thinking-strategically-about-cyber-security\/\" target=\"_blank\" rel=\"noopener\">Cybersecurity is a dynamic, continuous process<\/a>. Successful companies pursue a\u00a0<strong>holistic approach<\/strong>, that incorporates technology, processes and people.<\/p>\n<p style=\"font-weight: 400;\"><strong>Fields of action:<\/strong><\/p>\n<ul style=\"font-weight: 400;\">\n<li>Resilience: Systems and processes must be able to withstand incidents.<\/li>\n<li>Holistic risk management: consider supply chains, cloud and third-party providers.<\/li>\n<li>Awareness &amp; safety culture: sensitize employees.<\/li>\n<li>Compliance: Actively integrate requirements such as NIS2 into processes.<\/li>\n<li>AI &amp; technology: seizing opportunities, controlling risks.<\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\">8. outlook for 2026<\/span><\/h3>\n<p style=\"font-weight: 400;\">What does all this mean for 2026? The threats will\u00a0<strong>even more professional and complex<\/strong>. Today, companies need to act, not just observe:<\/p>\n<ul style=\"font-weight: 400;\">\n<li>Training courses and practical training secure the knowledge within the team.<\/li>\n<li>Security culture and awareness are becoming crucial to ward off social engineering.<\/li>\n<li>Tools like the\u00a0<a href=\"https:\/\/defenderbox.de\/en\/product\/\" target=\"_blank\" rel=\"noopener\">DEFENDERBOX<\/a>\u00a0enable automated, AI-supported security analyses with fast, prioritized responses.<\/li>\n<\/ul>\n<h3 style=\"font-weight: 400;\"><span style=\"color: #000000;\"><strong>Conclusion<\/strong><\/span><\/h3>\n<p style=\"font-weight: 400;\">Cybersecurity is no longer an IT task - it is a <strong>An integral part of corporate responsibility<\/strong>.<\/p>\n<p><span style=\"color: #000000;\"><!-- \/wp:paragraph --><!-- wp:image {\"id\":17611,\"width\":\"308px\",\"height\":\"auto\",\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} --><!-- \/wp:image --><!-- wp:heading --><\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Are you prepared for cyber attacks?<\/strong><\/span><\/p>\n<!-- \/wp:heading --><!-- wp:paragraph -->\n<p>With the\u00a0<a href=\"https:\/\/defenderbox.de\/en\/product\/\"><strong>DEFENDERBOX<\/strong><\/a>\u00a0you are one step ahead of cyber threats: Strengthen your company's resistance to hacker attacks - even in your own environment!<\/p>\n<!-- \/wp:buttons --><!-- wp:heading -->\n<p><strong>Stay vigilant - your IT will stay that way with us!<\/strong><\/p>\n<div>\n<p>\u27a1\ufe0f\u00a0<a href=\"https:\/\/defenderbox.de\/en\/test-installation\/\" target=\"_blank\" rel=\"noopener\">Test now<\/a><br \/>\u27a1\ufe0f <a href=\"https:\/\/defenderbox.de\/en\/partner\/\" target=\"_blank\" rel=\"noopener\">Become a partner<\/a><br \/>\u27a1\ufe0f\u00a0<a href=\"https:\/\/defenderbox.de\/en\/career\/\" target=\"_blank\" rel=\"noopener\">Career with us<\/a><\/p>\n<p>*: Source: Nordstellar<br \/>**: Source: Tech Radar<br \/><br \/><\/p>\n<\/div>\n<!-- \/wp:image --><!-- wp:paragraph --><!-- \/wp:paragraph --><!-- wp:separator {\"className\":\"is-style-wide\",\"style\":{\"spacing\":{\"margin\":{\"top\":\"var:preset|spacing|x-small\",\"bottom\":\"var:preset|spacing|x-small\"}}},\"backgroundColor\":\"tertiary\"} --><!-- \/wp:columns --><!-- \/wp:group -->\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>2025 was an intense year for IT and information security: attacks became more diverse and professional, and companies, authorities and security teams had to rethink their strategies to keep up.<\/p>","protected":false},"author":3,"featured_media":25655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[41,39,38,40,42,37,36,50],"class_list":["post-25649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-neues-auf-der-cyberfront","tag-cyberlage","tag-cybersecurity","tag-cybersicherheit","tag-hackerangriffe","tag-ihk-siegen","tag-schwachstellen","tag-sicherheitsluecken","tag-webinar"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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