Cybersecurity researchers at EXPMON have uncovered an intriguing “zero-day behavior” in PDF samples that could potentially be exploited by attackers to leak sensitive NTLM authentication data. The discovery highlights vulnerabilities in how Adobe Reader and Foxit Reader handle certain PDF actions, though researchers emphasize that no evidence suggests the behavior was created with malicious intent … Continue reading Zero-Day Vulnerability in PDF Files Leaking NTLM Data in Adobe & Foxit Reader