SANS Stormcast Tuesday, July 7th, 2026: RCS and DNS; OpenSSH Update; Beyond Trust Advisory; PolinRider Update (#)

SANS Stormcast Tuesday, July 7th, 2026: RCS and DNS; OpenSSH Update; Beyond Trust Advisory; PolinRider Update RCS and DNS: The NAPTR Record https://isc.sans.edu/diary/RCS%20and%20DNS%3A%20The%20NAPTR%20Record/33124 OpenSSH 10.4 released https://seclists.org/oss-sec/2026/q3/62 Beyond Trust Advisory CVE-2026-40138 CVE-2026-40139 https://www.beyondtrust.com/trust-center/security-advisories/bt26-03 PolinRider: North Korea-Linked Supply Chain Campaign https://socket.dev/blog/polinrider-north-korea-linked-supply-chain-campaign-expands My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich keywords: polinrider; supply chain; north korea; beyond trust; openssh; rcs; dns; naptr;