Apt37 on it-learn.io | IT, Networking & Cybersecurity Bloghttps://blog.it-learn.io/tags/apt37/Recent content in Apt37 on it-learn.io | IT, Networking & Cybersecurity BlogHugoen-usMon, 13 Apr 2026 00:00:00 +0000Adobe Reader Zero-Day CVE-2026-34621 Exploited for Months — CPUID Supply Chain Compromise and OpenAI Certificate Revocationhttps://blog.it-learn.io/posts/2026-04-13-adobe-reader-zero-day-cve-2026-34621-exploited-for-months-cp/Mon, 13 Apr 2026 00:00:00 +0000https://blog.it-learn.io/posts/2026-04-13-adobe-reader-zero-day-cve-2026-34621-exploited-for-months-cp/Adobe Reader’s CVE-2026-34621 was actively exploited for months before the April 12 patch. CPUID’s site was compromised to serve trojanized CPU-Z and HWMonitor. OpenAI revokes its macOS signing certificate after the Axios supply chain incident cascades. APT37 shifts to Facebook for initial access.