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.
-
Threat ResearchNov 19, 2025
5 Ways Cybercrime Has Become a Subscription Business
Cybercrime has adopted the subscription model, from cloud-based infostealer feeds to Telegram bots for OTP theft. Here are five ways cybercriminals are scaling their operations like a shadow SaaS industry.
Daniel Kelley
4 min read
-
Threat ResearchOct 28, 2025
Meet Atroposia: The Stealthy Feature-Packed RAT
Atroposia is a stealthy RAT with HRDP, credential theft, DNS hijacking & fileless exfiltration — aka cybercrime made easy for low-skill attackers.
Daniel Kelley
5 min read
-
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
-
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
-
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
-
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
-
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
-
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
-
Threat ResearchFeb 13, 2025
Astaroth: A New 2FA Phishing Kit Targeting Gmail, Yahoo, AOL, O365, and Third-Party Logins
Discover how Astaroth phishing kits bypass security, offer bulletproof hosting, and how Varonis protects businesses from advanced cyber threats.
Daniel Kelley
2 min read
-
Threat ResearchJan 29, 2025
Devil-Traff: A New Bulk SMS Platform Driving Phishing Campaigns
Discover how the Devil-Traff bulk SMS platform fuels phishing attacks with spoofing and automation.
Daniel Kelley
2 min read
-
Threat ResearchJan 06, 2025
Meet PhishWP — The New WordPress Plugin That’s Turning Legit Sites into Phishing Traps
Discover how PhishWP, a malicious WordPress plugin, turns trusted sites into phishing traps and how to protect yourself with Varonis.
Daniel Kelley
3 min read
-
Threat ResearchNov 12, 2024
GoIssue — The Tool Behind Recent GitHub Phishing Attacks
Discover how GoIssue targets GitHub users, posing significant risks to developers and organizations.
Daniel Kelley
2 min read
SECURITY STACK NEWSLETTER
Ready to see the #1 Data Security Platform in action?
Ready to see the #1 Data Security Platform in action?
“I was amazed by how quickly Varonis was able to classify data and uncover potential data exposures during the free assessment. It was truly eye-opening.”
Michael Smith, CISO, HKS
"What I like about Varonis is that they come from a data-centric place. Other products protect the infrastructure, but they do nothing to protect your most precious commodity — your data."
Deborah Haworth, Director of Information Security, Penguin Random House
“Varonis’ support is unprecedented, and their team continues to evolve and improve their products to align with the rapid pace of industry evolution.”
Al Faella, CTO, Prospect Capital