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A cybersecurity startup launched a new platform Tuesday designed to thwart sophisticated scams by identifying abnormal emailing behaviors. Aptly named Abnormal Security, the San Francisco startup aims to use behavior modeling and machine learning to root out suspicious emails that can cost companies big bucks.

Can machine learning stop sophisticated email scams? This cybersecurity company thinks so.

Abnormal Security — a next-generation email security company — announced that it raised $50 million in Series B funding led by Menlo Ventures.

Cloud Email Security Company Abnormal Security Secures $50 Million

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Interpol, along with Nigerian law enforcement agencies and security firm Group-IB, have uncovered a massive Nigerian business email compromise gang that was active across more than 150 countries.

Interpol Busts Massive Nigerian BEC Gang

The FBI has identified nearly 100 spoofed websites that use some incarnation of the agency's name. Fraudsters and other cybercriminals potentially could leverage for disinformation campaigns and credential theft.

Fraudsters Spoof FBI Domain

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Abnormal AI provides advanced email security to prevent credential phishing, business email compromise, account takeover, and more.

Abnormal AI

Funding, led by Menlo Ventures, will be used to accelerate enterprise adoption of AI-driven email security platform.

Abnormal Security Raises $50M in Series B Funding

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Gartner names Abnormal a Leader in Email Security Platforms, placed furthest for Completeness of Vision.

Abnormal Named a Leader in 2024 Gartner® Magic Quadrant™

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Discover how replacing your SEG with Abnormal’s behavioral AI boosts protection, cuts costs, and reduces manual work—backed by real customer results.

The Unexpected Benefits of Replacing a Secure Email Gateway with Abnormal AI

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Discover why traditional SAT programs are falling short and how modern, AI-enhanced approaches reduce human risk and improve your security posture.

2025 State of Security Awareness Training

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Discover how attackers are abusing trusted AI tools and using malicious GPTs to scale cybercrime—and how to stay ahead of the threat.

Inside the AI Arms Race: How Cybercriminals Exploit Trusted Tools and Malicious GPTs

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B H1 2025 Email Threat Report

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Learn how the malicious use of AI is amplifying the impact of BEC, VEC, and phishing attacks in our latest threat report.

H1 2025 - Adversarial AI: Attacker Innovation Escalates Advanced Email Threats

Abnormal Security Raises $50M in Series B Funding

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