Mayra Rosario Fuentes
10 articles
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ResearchWhat Cybercriminals Look For in Corporate Insiders
The supply and demand for insider threat actors have evolved from isolated opportunism into a structured, thriving criminal market, complete with brokers, recruiters, referral bonuses, guarantor services, and revenue-sharing arrangements. This research examines that market across different industries.
August 4th, 2026Mayra Rosario Fuentes, Stephen Hilt, David Sancho
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ResearchThe Cybercriminal Underground: Mapping the Healthcare Data Economy
A look inside an industrialized economy where stolen healthcare data is bought, sold, and weaponized, from ransomware breaches to broker access and fake medical documents fueling an expanding criminal supply chain.
June 4th, 2026Stephen Hilt, Numaan Huq, Mayra Rosario Fuentes
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ResearchOld Vulnerabilities, New AI Era, Amplified Risk: How Outdated Flaws Continue to Fuel the N-Day Exploit Market
Even as AI adoption accelerates, old exploits remain overlooked weaknesses. Underground trends show a renewed demand for exploits, with cybercriminals relying on aging but still effective vulnerabilities. We examine this blind spot and why long-standing issues need to be addressed.
March 25th, 2026 10 minMayra Rosario Fuentes, Vincent Lee
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BlogEuropol, Microsoft, TrendAI™ and Collaborators Halt Tycoon 2FA Operations
Tycoon 2FA was dismantled this week by law enforcement and industry partners including TrendAI™. The phishing-as-a-service platform offered MFA bypass services using adversary-in-the-middle (AitM) proxying.
March 4th, 2026 7 minChristopher Boyton, Mayra Rosario Fuentes, Stephen Hilt
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ResearchUnmasking Task Scams to Prevent Financial Fallout From Fraud
This report exposes the life cycle and tactics of task scams by presenting real-world cases as well as strategies to help identify and avoid these threats.
August 19th, 2025 20 minChristopher Boyton, Mayra Rosario Fuentes
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ResearchAcross the Span of the Spanish Cybercriminal Underground: Current Activities and Trends
What does the present state of the Spanish-speaking cybercriminal underground look like? What are the most common scams and other illicit offerings peddled by cybercriminals? Unearth the secrets of the Spanish dark market in our research.
January 30th, 2025 18 minMayra Rosario Fuentes, David Sancho
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ResearchInside the Halls of a Cybercrime Business
We explore three differently sized criminal groups to determine how they compare to similarly sized legitimate businesses in terms of how they are organized. We also discuss the advantages of knowing the size of a target criminal organization for cybercrime investigators.
April 3rd, 2023 6 minDavid Sancho, Mayra Rosario Fuentes
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ResearchA Growing Goldmine: Your LinkedIn Data Abused for Cybercrime
We looked into professional and business networking platform LinkedIn and how cybercriminals abuse the platform to victimize users and companies, and how they monetize posted personal, career, and organizational information.
March 28th, 2023 15 minVeronica Chierzi, Mayra Rosario Fuentes
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ResearchThe Gender-Equal Cybercriminal Underground
A look into the cybercriminal gender gap, the status and perceptions on gender profiles in the underground, and the role assumptions have for law enforcement.
February 28th, 2023 26 minMayra Rosario Fuentes
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ResearchTrading in the Dark
An Investigation into the Current Condition of Underground Markets and Cybercriminal Forums
May 26th, 2020 6 minMayra Rosario Fuentes
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