{"id":7198,"date":"2025-09-08T11:22:57","date_gmt":"2025-09-08T08:22:57","guid":{"rendered":"https:\/\/support.withsecure.com\/?post_type=announcement&#038;p=7198"},"modified":"2026-10-19T13:10:13","modified_gmt":"2026-10-19T10:10:13","slug":"major-capricorn-update-for-endpoint-protection-september-2025-2","status":"publish","type":"announcement","link":"https:\/\/support.withsecure.com\/en\/announcements\/major-capricorn-update-for-endpoint-protection-september-2025-2\/","title":{"rendered":"Major Capricorn update for Endpoint Protection &#8211; September 2025"},"content":{"rendered":"<p><strong>UPDATE 2025-09-16:<\/strong> The update is expected to be released on 17th September 2025, with version &#8220;WithSecure Capricorn Engine (2025-09-17_01). The total size of the update package will be ~63MB.<\/p>\n<p>We will soon be releasing a major update for our Capricorn engine, used by our Endpoint Protection products. This is expected to be released on September 17th 2025.<\/p>\n<p><strong><\/strong><\/p>\n<p><strong>Key Improvements<\/strong><\/p>\n<ul>\n<li><strong>Optimized database &amp; extended machine learning<\/strong> \u2192 reducing pattern file sizes while maintaining the same high detection rate.<\/li>\n<li><strong>Component size reduction of more than 40%<\/strong> \u2192 from <strong>210 MB<\/strong> down to <strong>126 MB<\/strong> total.<\/li>\n<li><strong>Faster initialization &amp; lower memory consumption<\/strong> \u2192 improving overall performance on endpoints.<\/li>\n<\/ul>\n<p><strong>Update Details<\/strong><\/p>\n<ul>\n<li>Expected <strong>update delta size<\/strong>: ~<strong>79 MB<\/strong>.<\/li>\n<li><strong>Platform coverage<\/strong>: This update applies to <strong>all WithSecure Endpoint Protection products <\/strong>that utilize the <strong>Capricorn engine<\/strong> \u2014 across <strong>Windows, Mac and Linux platforms<\/strong>.<\/li>\n<li><strong>Download size<\/strong>: All affected endpoints will now download a <strong>larger one-time update package of approximately 79 MB<\/strong> during the rollout.<\/li>\n<\/ul>\n<p><strong>Deployment<\/strong><\/p>\n<ul>\n<li>The update will be <strong>delivered automatically<\/strong>.<\/li>\n<li><strong>No manual action or configuration<\/strong> is required.<\/li>\n<li>The release time will be confirmed 24 hours in advance through our community channels.<\/li>\n<li>Updates containing this release will start with &#8220;WithSecure Capricorn Engine (2025-09-xx-xx)\u201d<\/li>\n<li>With this update, you can expect <strong>leaner, faster, and more efficient endpoint protection<\/strong> \u2014 without compromising security.<\/li>\n<li>Users of WithSecure ElementsEPP may wish to consider taking the Elements Connector into use, to help reduce internet access, if they have several deployed endpoints. You can find more details of how to deploy this at: <a href=\"http:\/\/community.withsecure.com\/home\/leaving?allowTrusted=1&amp;target=https%3A%2F%2Fwww.withsecure.com%2Fuserguides%2Fdata%2Fpdf%2Fws_elements_connector_eng.pdf\" rel=\"nofollow noopener ugc\" target=\"_blank\">Elements Connector Getting Started Guide<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>UPDATE 2025-09-16: The update is expected to be released on 17th September 2025, with version &#8220;WithSecure Capricorn Engine (2025-09-17_01). The total size of the update package will be ~63MB. We&hellip;<\/p>\n","protected":false},"template":"","announcement_category":[142],"class_list":["post-7198","announcement","type-announcement","status-publish","hentry"],"acf":{"source_system":"vanilla-import","import_hash":"745d44e0b7166898005931e4594cba86e5f0ebe0","vanilla_article_id":32243,"legacy_author":"AndyF_WS","vanilla_url":"https:\/\/community.withsecure.com\/announcements-en\/kb\/articles\/32243-major-capricorn-update-for-endpoint-protection-september-2025","vanilla_category_id":142,"machine_translated":false},"_links":{"self":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/announcement\/7198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/announcement"}],"about":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/types\/announcement"}],"version-history":[{"count":1,"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/announcement\/7198\/revisions"}],"predecessor-version":[{"id":8684,"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/announcement\/7198\/revisions\/8684"}],"wp:attachment":[{"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/media?parent=7198"}],"wp:term":[{"taxonomy":"announcement_category","embeddable":true,"href":"https:\/\/support.withsecure.com\/en\/wp-json\/wp\/v2\/announcement_category?post=7198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}