Daniel Kelley
Daniel Kelley is a Senior Security Researcher that works with Varonis. Daniel's research topics include the latest threats and tactics employed by cybercriminals, particularly those involving BEC, phishing, smishing, social engineering, and other attacks that exploit the human element.
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Threat ResearchSep 30, 2025
MatrixPDF Puts Gmail Users at Risk with Malicious PDF Attachments
Discover how PDF-based malware attacks work and how AI-powered email security can detect and block threats before they reach your inbox.
Daniel Kelley
5 min read
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AI Security Threat ResearchSep 08, 2025
SpamGPT: The AI Tool Elevating Email Security Threats for Enterprises
SpamGPT is a new AI-powered email attack tool that is changing the way businesses address email security issues. Learn how this technology makes phishing attacks more effective and how to protect your company's email systems ahead of time.
Daniel Kelley
3 min read
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AI Security Email SecurityJul 17, 2025
How Threat Actors Use AI to Hide Malicious Sites
Discover how cybercriminals use cloaking to hide malicious sites from bots and scanners while deceiving users. Plus, learn how to uncover these hidden threats.
Daniel Kelley
6 min read
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Data Security Threat ResearchJun 05, 2025
Decoding ‘ClickFix’: Lessons from the Latest Browser-Based Phish
ClickFix tricks users into running malware via fake CAPTCHAs. Learn how this phishing tactic works — and how Varonis stops it cold.
Daniel Kelley
5 min read
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Microsoft 365 Threat ResearchApr 24, 2025
SessionShark Steals Session Tokens to Slip Past Office 365 MFA
Discover how phishing kits like SessionShark threaten MFA security and learn how Varonis AI-driven solutions proactively defend against advanced phishing attacks.
Daniel Kelley
4 min read
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AI Security Threat ResearchApr 07, 2025
Xanthorox AI — The Next Generation of Malicious AI Threats Emerges
Xanthorox AI is a modular, self-hosted Black-Hat AI tool for cybercrime. Varonis counters it with real-time detection of AI-driven email threats.
Daniel Kelley
3 min read
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Email SecurityOct 21, 2024
How Dark Web Anti-Bot Services Aid Phishing Campaigns
Explore novel anti-bot services advertised on the dark web, how they bypass Google's Red Page, and the issues security teams have in defending against them.
Daniel Kelley
4 min read
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Email SecurityJul 11, 2024
FishXProxy Phishing Kit: Lowering Barriers for Cybercriminals
Learn about the FishXProxy Phishing Kit, a phishing tool that even novice cybercriminals can take advantage of, and how organizations can combat this new tool.
Daniel Kelley
4 min read
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