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Research Saturday

Research Saturday

Auteur(s): N2K Networks
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 Every Saturday, we sit down with cybersecurity researchers to talk shop about the latest threats, vulnerabilities, and technical discoveries.© 2024 N2K Networks, Inc. 706761 Politique
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  • Browser attacks without downloads.

    Browser attacks without downloads.
    Sep 20 2025
    Today we are joined by Nati Tal, Head of Guardio Labs, discussing their work “CAPTCHAgeddon” or unmasking the viral evolution of the ClickFix browser-based threat. CAPTCHAgeddon — Shaked Chen’s deep dive into the ClickFix fake-captcha wave — reveals how a red-team trick morphed into a dominant, download-free browser threat that tricks users into pasting clipboard PowerShell/shell commands and leverages trusted infrastructure, including Google Scripts. Guardio’s DBSCAN-based payload clustering exposes distinct attacker toolkits and distribution paths — from malvertising and compromised WordPress to social posts and Git repos — and argues defenders need behavioral, intelligence-driven protections, not just signatures. The research can be found here: “CAPTCHAgeddon” Unmasking the Viral Evolution of the ClickFix Browser-Based Threat Learn more about your ad choices. Visit megaphone.fm/adchoices
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    22 min
  • Don’t trust that app!

    Don’t trust that app!
    Sep 6 2025
    Today we are joined by ⁠Selena Larson⁠, co-host of ⁠Only Malware in the Building⁠ and Staff Threat Researcher and Lead Intelligence Analysis and Strategy at ⁠Proofpoint⁠, sharing their work on "Microsoft OAuth App Impersonation Campaign Leads to MFA Phishing." Proofpoint researchers have identified campaigns where threat actors use fake Microsoft OAuth apps to impersonate services like Adobe, DocuSign, and SharePoint, stealing credentials and bypassing MFA via attacker-in-the-middle phishing kits, mainly Tycoon. These attacks redirect users to fake Microsoft login pages to capture credentials, 2FA tokens, and session cookies, targeting nearly 3,000 Microsoft 365 accounts across 900 environments in 2025. Microsoft’s upcoming security changes and strengthened email, cloud, and web defenses, along with user education, are recommended to reduce these risks. The research can be found here: ⁠Microsoft OAuth App Impersonation Campaign Leads to MFA Phishing Learn more about your ad choices. Visit megaphone.fm/adchoices
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    21 min
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