Rate Enhances Security and Scalability with Human Behavior AI from Abnormal

Leading mortgage originator replaces its SEG with Abnormal to protect its innovative ecosystem from advanced threats.

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Rate Enhances Security and Scalability with Human Behavior AI from Abnormal

Rate Companies has grown from a local lender in 2000 to a major player in the U.S. mortgage market and a leading fintech firm. With nine mortgage origination companies, a national insurance company, a national title company—plus partners in real estate, construction, insurance, and more—Rate is aiming for the top spot in a crowded industry. The company's strategy is to improve customer experience through technology-enabled innovations like Rate's Same-Day Mortgage offering, improved customer authentication, and human behavior AI from Abnormal for stronger protection of customer data.

Rate's Email Security Challenge

Rate's security operations team must protect sensitive customer data and comply with privacy regulations in multiple states. Before switching to Abnormal, Rate had a traditional secure email gateway (SEG) in front of its Microsoft 365 email platform for email security. “It felt redundant paying for a SEG while using Microsoftʼs native security tools, and things were still getting through,” said Darin Hurd, EVP and CISO.

In addition to spam, a rising number of credential phishing and extortion attacks were reaching user inboxes. “One extortion campaign required a large amount of my team's time, mostly dealing with SEG support,” said Hurd.

“Before Abnormal, my team spent half of each day reviewing and responding to email incidents. Now, we spend a couple of hours a month. Abnormal's behavioral AI and automation handle the rest, so we can be more proactive and work on projects that make Rate even more efficient and secure.”
Darin Hurd, EVP and CISO

The Abnormal AI Solution

As SEG contract renewal time neared, Hurd explored the market. “AI was a secondary consideration at first, but it became clear we needed it to detect threats and reduce false positives as attack methods change,” Hurd said. An easy-to-use dashboard and API-based design were also mandatory features of a modern email security solution. According to Hurd, “Abnormal looks modern, and it was easy to run the POV and move into production. We quickly realized that we could reduce our email security maintenance and troubleshooting workload with this platform...The POV dashboard allowed us to see everything Abnormal would have blocked.”

“It was clear from the results that an investment in Abnormal would realize value fast,” Hurd added.

Why Rate Chose Abnormal

Abnormalʼs human behavior AI and automation provided the detection and efficiency improvements Rate sought and also allowed Hurd to remove the SEG from the security stack. “Weʼve seen multiple value results: 98% fewer phishing attacks reaching inboxes, less spam, and faster and more informative responses to user reports,” Hurd said. He added that without the SEG, email delivery no longer has an up to seven-minute delay. “That speed matters for our loan officers and customers, especially at closings.” Abnormal has made Rate more efficient in other ways, too. In the first month, the Email Productivity module saved 8,047 employee and VIP hours on graymail filtering—allowing users to focus more on their core tasks and the customer experience. In addition, the AI Security Mailbox module has also given the SOC team more time for other security tasks.

“Abnormal made it easy to see what our SEG was missing. We set up the POV in a few minutes and then there were a lot of ‘Aha!’ moments about what the SEG wasnʼt finding. It was clear right away that Abnormal could deliver better protection and a quick time to value.”
Darin Hurd, EVP and CISO

A Proactive Partner for Security and Efficiency

Hurd said he's happy with the quality of the relationship between Rate and Abnormal. “The Abnormal account team is proactive in a way we didnʼt have before,” Hurd said. He plans to integrate Abnormal with their CrowdStrike instance and expects Abnormal to adapt to meet Rate's evolving security and efficiency needs as they grow. “Abnormalʼs ongoing R&D investment is clear,” Hurd said. “As more threats leverage AI to avoid detection, we now have a security partner that also utilizes AI so we can stay a step ahead.”

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  • Industry: Financial Services, FinTech

  • Headquarters: Chicago, IL

  • Protected Mailboxes: 7,800

$200k

yearly licensing savings compared to traditional SEG

379+

security team hours saved monthly on email tasks in 2025

$21K

saved in one advanced invoice fraud attack detection

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