{"id":14738,"date":"2023-08-16T10:20:57","date_gmt":"2023-08-16T17:20:57","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=14738"},"modified":"2025-06-13T16:37:14","modified_gmt":"2025-06-13T23:37:14","slug":"couchbase-ai-ml-fraud-detection","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/couchbase-ai-ml-fraud-detection\/","title":{"rendered":"Os clientes do Couchbase est\u00e3o usando IA e ML para combater fraudes financeiras"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Recentemente, a narrativa predominante tem sido tudo o que envolve a intelig\u00eancia artificial (IA) e o aprendizado de m\u00e1quina (ML). O que essas tecnologias significam para a sociedade como um todo e como elas ser\u00e3o incorporadas \u00e0 vida cotidiana?<\/span><\/p>\n<p><span style=\"font-weight: 400\">Os modelos de linguagem ampla (LLMs) s\u00e3o um tipo de IA que pode imitar a intelig\u00eancia humana. Eles analisam grandes quantidades de dados, aprendendo padr\u00f5es e conex\u00f5es entre palavras e frases. Esses LLMs s\u00e3o a base algor\u00edtmica para chatbots de IA generativa, como <\/span><a href=\"https:\/\/chat.openai.com\/\"><span style=\"font-weight: 400\">ChatGPT da OpenAI<\/span><\/a><span style=\"font-weight: 400\"> e <\/span><a href=\"https:\/\/bard.google.com\/\"><span style=\"font-weight: 400\">Bardo do Google<\/span><\/a><span style=\"font-weight: 400\">. A IA generativa \u00e9 uma forma de aprendizado de m\u00e1quina capaz de produzir texto, v\u00eddeo, imagens e outros tipos de conte\u00fado. Um usu\u00e1rio insere textos na forma de um prompt e, em seguida, o LLM entende e gera conte\u00fado semelhante ao humano em resposta.<\/span><\/p>\n<p><span style=\"font-weight: 400\">As possibilidades no n\u00edvel do usu\u00e1rio para esse tipo de tecnologia s\u00e3o infinitas - eles podem solicitar sugest\u00f5es de escrita, fazer perguntas dif\u00edceis de pesquisa, inserir equa\u00e7\u00f5es matem\u00e1ticas e at\u00e9 mesmo receber ajuda de codifica\u00e7\u00e3o. Os aplicativos de IA em n\u00edvel empresarial tamb\u00e9m continuam a explodir. V\u00e1rios clientes do Couchbase, em uma ampla gama de setores, est\u00e3o planejando utilizar a IA em seus neg\u00f3cios para criar uma experi\u00eancia melhor para seus clientes.<\/span><\/p>\n<h2>Intelig\u00eancia Artificial no setor de servi\u00e7os financeiros<\/h2>\n<p><span style=\"font-weight: 400\">Uma \u00e1rea em que a IA j\u00e1 est\u00e1 desempenhando um papel fundamental \u00e9 na <a href=\"https:\/\/www.couchbase.com\/blog\/pt\/solutions\/nosql-for-financial-services\/\">servi\u00e7os financeiros<\/a> para combater a fraude. A fraude \u00e9, sem d\u00favida, um dos maiores desafios cont\u00ednuos para as empresas financeiras devido \u00e0s crescentes oportunidades de explorar a infraestrutura t\u00e9cnica menos madura de muitas startups de fintech. J\u00e1 custando \u00e0 economia global \u00a33,89 trilh\u00f5es (cerca de $4,5 trilh\u00f5es em d\u00f3lares), os impactos da fraude financeira s\u00f3 tendem a piorar se as fintechs n\u00e3o implementarem as tecnologias certas.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Historicamente, a detec\u00e7\u00e3o e a preven\u00e7\u00e3o de fraudes podem ser um processo caro e trabalhoso para as startups de fintechs on-line, pois elas geralmente n\u00e3o contam com os amplos departamentos de fraude e call centers dos bancos tradicionais.<\/span><\/p>\n<h2>Revolut usa IA e ML para fortalecer a detec\u00e7\u00e3o de fraudes<\/h2>\n<p><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/customers\/revolut\/\"><span style=\"font-weight: 400\">Revolut<\/span><\/a><span style=\"font-weight: 400\"> precisava de um sistema totalmente automatizado que pudesse identificar transa\u00e7\u00f5es fraudulentas, notificar os clientes e permitir ou bloquear pagamentos sem interven\u00e7\u00e3o humana. Para isso, a empresa desenvolveu o Sherlock, um sistema de preven\u00e7\u00e3o de fraudes com cart\u00f5es baseado em aprendizado de m\u00e1quina, para combater a crescente amea\u00e7a de fraudes financeiras.<\/span><\/p>\n<p><span style=\"font-weight: 400\">A Sherlock monitora de forma cont\u00ednua e aut\u00f4noma as transa\u00e7\u00f5es em menos de 50 ms para mais de 12 milh\u00f5es de clientes. Se considerar uma transa\u00e7\u00e3o suspeita, ela bloqueia a compra, congela o cart\u00e3o do cliente e envia uma notifica\u00e7\u00e3o push solicitando que o cliente confirme se a transa\u00e7\u00e3o foi fraudulenta ou n\u00e3o. Se o cliente responder que foi leg\u00edtima, o cart\u00e3o \u00e9 desbloqueado e ele pode simplesmente repetir a compra. Entretanto, se o cliente n\u00e3o reconhecer a transa\u00e7\u00e3o, o cart\u00e3o ser\u00e1 cancelado e ele poder\u00e1 solicitar uma substitui\u00e7\u00e3o gratuita do cart\u00e3o.<\/span><\/p>\n<p><span style=\"font-weight: 400\">O Sherlock foi criado com base no banco de dados NoSQL do Couchbase, onde os perfis de usu\u00e1rios e comerciantes s\u00e3o armazenados e est\u00e3o prontos para serem recuperados no momento de avaliar se uma transa\u00e7\u00e3o \u00e9 fraudulenta ou n\u00e3o. Com os dados sobre usu\u00e1rios e comerciantes mudando rapidamente, a Revolut precisava de um banco de dados que tivesse a velocidade e a agilidade para reagir rapidamente, com a escalabilidade para lidar com milh\u00f5es de documentos.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Os resultados dessa inova\u00e7\u00e3o t\u00eam sido incr\u00edveis: gra\u00e7as ao desempenho da Sherlock, mais de $3 milh\u00f5es por ano de dinheiro dos clientes s\u00e3o economizados por meio da preven\u00e7\u00e3o de transa\u00e7\u00f5es fraudulentas, com apenas 1 centavo de cada $100 perdido devido a fraudes - em compara\u00e7\u00e3o com uma m\u00e9dia do setor de cerca de 7-8 centavos. A Sherlock sinaliza e evita mais de 96+% de transa\u00e7\u00f5es fraudulentas e continua a refinar ainda mais seus algoritmos de aprendizado de m\u00e1quina.<\/span><\/p>\n<h2>FICO e Wells Fargo protegem os clientes contra transa\u00e7\u00f5es fraudulentas<\/h2>\n<p><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/customers\/fico\/\"><span style=\"font-weight: 400\">FICO<\/span><\/a><span style=\"font-weight: 400\"> e <\/span><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/customers\/wells-fargo\/\"><span style=\"font-weight: 400\">Wells Fargo<\/span><\/a><span style=\"font-weight: 400\"> s\u00e3o clientes da Couchbase com hist\u00f3rias semelhantes, utilizando a IA para ajudar a proteger os clientes contra cobran\u00e7as fraudulentas. FICO's <\/span><a href=\"https:\/\/www.fico.com\/en\/products\/fico-falcon-fraud-manager\"><span style=\"font-weight: 400\">Gerente de Fraude Falcon<\/span><\/a><span style=\"font-weight: 400\"> \u00e9 amplamente considerada a plataforma de detec\u00e7\u00e3o de fraudes #1 do mundo e classifica 65% dos cart\u00f5es de cr\u00e9dito\/d\u00e9bito do mundo.<\/span><\/p>\n<p><span style=\"font-weight: 400\">O Falcon Fraud Manager monitora as transa\u00e7\u00f5es de ponta a ponta para detectar e evitar fraudes em cart\u00f5es de cr\u00e9dito, cart\u00f5es de d\u00e9bito, cart\u00f5es pr\u00e9-pagos, cart\u00f5es comerciais, pagamentos digitais (incluindo aplicativos P2P em tempo real, como Zelle, Venmo, FedNow, CashApp etc.), conta a conta e transfer\u00eancias eletr\u00f4nicas.<\/span><\/p>\n<p><span style=\"font-weight: 400\">O tempo de inatividade significa fraude e perda de receita para a empresa, portanto, quando a FICO foi escolhida para fornecer verifica\u00e7\u00f5es de cr\u00e9dito, triagem de fraudes e ofertas direcionadas para novos clientes de telecomunica\u00e7\u00f5es, tanto na loja quanto on-line, ela precisava de um banco de dados NoSQL que pudesse oferecer alta disponibilidade juntamente com alto volume de transa\u00e7\u00f5es. O Couchbase foi escolhido em vez do Cassandra e do MongoDB\u2122 por sua velocidade, escalabilidade, disponibilidade e persist\u00eancia para suportar objetos XML grandes.<\/span><\/p>\n<p><span style=\"font-weight: 400\">A Wells Fargo utiliza o Falcon Fraud Manager da FICO, juntamente com o Couchbase, para dar suporte \u00e0 sua infraestrutura de monitoramento de fraudes. A Wells Fargo aplicou a an\u00e1lise de aprendizado de m\u00e1quina a dados internos e de terceiros para identificar e se adaptar a ataques sofisticados de fraude em tempo real. Agora, 100% de transa\u00e7\u00f5es s\u00e3o processadas em tempo real para detectar fraudes - totalizando mais de 50 milh\u00f5es de transa\u00e7\u00f5es por dia - a menos de 10 ms por opera\u00e7\u00e3o.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Isso \u00e9 apenas o come\u00e7o para esses tipos de casos de uso. Os clientes do Couchbase continuam na vanguarda da inova\u00e7\u00e3o, incorporando a IA em seus neg\u00f3cios para criar uma experi\u00eancia melhor para seus clientes.<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/solutions\/nosql-for-financial-services\/\">Leia sobre por que o Couchbase \u00e9 o banco de dados para sistemas de gerenciamento financeiro<\/a><\/li>\n<li><a href=\"https:\/\/www.couchbase.com\/blog\/pt\/customers\/\">Leia mais hist\u00f3rias de sucesso de nossos clientes<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The overwhelming narrative recently has been everything surrounding artificial intelligence (AI) and machine learning (ML). What do these technologies mean for society as a whole, and how will they be incorporated into daily life? Large language models (LLMs) are a [&hellip;]<\/p>","protected":false},"author":83995,"featured_media":14739,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[10122,1815,6319,1813],"tags":[9567,9286,9788,9861,9862],"ppma_author":[9757],"class_list":["post-14738","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-artificial-intelligence-ai","category-best-practices-and-tutorials","category-customers","category-security","tag-fico","tag-fintech","tag-fraud-detection","tag-revolut","tag-wells-fargo"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.7.1 (Yoast SEO v25.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Financial Fraud: Couchbase Customers Are Using AI and ML<\/title>\n<meta name=\"description\" content=\"One area where AI and ML are already playing a pivotal role is within the financial services industry to combat fraud. 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