--- title: Fintech firm Marquis blames hack at firewall provider... description: Fintech company Marquis attributes its August 2025 ransomware attack to a prior breach at firewall provider SonicWall, which exposed firewall configuration... canonical: https://daily.dev/posts/fintech-firm-marquis-blames-hack-at-firewall-provider-sonicwall-for-its-data-breach-utqt0kfqu twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Fintech firm Marquis blames hack at firewall provider SonicWall for its data breach | daily.dev og:description: Fintech company Marquis attributes its August 2025 ransomware attack to a prior breach at firewall provider SonicWall, which exposed firewall configuration... og:url: https://daily.dev/posts/fintech-firm-marquis-blames-hack-at-firewall-provider-sonicwall-for-its-data-breach-utqt0kfqu og:image: https://api.daily.dev/og/posts/UtqT0KFQU.png og:image:alt: Fintech firm Marquis blames hack at firewall provider SonicWall for its data breach og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Fintech firm Marquis blames hack at firewall provider SonicWall for its data breach **[TechCrunch](https://daily.dev/sources/tc)** · 4 min read · 1 upvotes · 0 comments ## Summary Fintech company Marquis attributes its August 2025 ransomware attack to a prior breach at firewall provider SonicWall, which exposed firewall configuration files and credentials stored in SonicWall's cloud backup service. The attack resulted in theft of customer personal and financial data, including Social Security numbers, affecting hundreds of thousands of individuals. Marquis plans to seek compensation from SonicWall for breach-related expenses, while SonicWall disputes the connection and requests evidence. SonicWall initially claimed fewer than 5% of customers were affected but later admitted all customers using its cloud backup service had their firewall configurations accessed. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Marquis says over 672,000 people had personal and financial data stolen in ransomware attack](https://daily.dev/posts/marquis-says-over-672-000-people-had-personal-and-financial-data-stolen-in-ransomware-attack-xt2c0mdow) · TechCrunch · 0 upvotes · 0 comments --- Tags: [#cyber](https://daily.dev/tags/cyber), [#data-breach](https://daily.dev/tags/data-breach), [#fintech](https://daily.dev/tags/fintech), [#ransomware](https://daily.dev/tags/ransomware) [View this post on daily.dev](https://daily.dev/posts/fintech-firm-marquis-blames-hack-at-firewall-provider-sonicwall-for-its-data-breach-utqt0kfqu) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Fintech firm Marquis blames hack at firewall provider SonicWall for its data breach","url":"https://daily.dev/posts/fintech-firm-marquis-blames-hack-at-firewall-provider-sonicwall-for-its-data-breach-utqt0kfqu","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/fintech-firm-marquis-blames-hack-at-firewall-provider-sonicwall-for-its-data-breach-utqt0kfqu"},"datePublished":"2026-01-29T20:33:40.949Z","dateModified":"2026-03-15T03:41:05.410Z","description":"Fintech company Marquis attributes its August 2025 ransomware attack to a prior breach at firewall provider SonicWall, which exposed firewall configuration...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/9065575c98063e968a034922613ba9b0?_a=AQAEulh","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/9065575c98063e968a034922613ba9b0?_a=AQAEulh","isAccessibleForFree":true,"articleSection":"TechCrunch","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"TechCrunch","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/tc","url":"https://daily.dev/sources/tc"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/fintech-firm-marquis-blames-hack-at-firewall-provider-sonicwall-for-its-data-breach-utqt0kfqu","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"cyber,data-breach,fintech,ransomware","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"TechCrunch","item":"https://daily.dev/sources/tc"},{"@type":"ListItem","position":3,"name":"Fintech firm Marquis blames hack at firewall provider SonicWall for its data breach"}]} ```