New Signal Check is live: Episode 114 - July 24, 2026. This episode covers a Russian zero-day exploit in Zimbra webmail that let state-backed hackers steal credentials and two-factor codes for months, new vulnerabilities in Microsoft's passkey implementation ahead of Black Hat, and a polished malvertising campaign using fake Claude.ai ads to distribute SectopRAT malware. Adrian breaks down why overlooked infrastructure, sloppy execution on good… Listen: https://share.transistor.fm/s/d1a45dc8