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

Page: https://stenobird.com/podcast/sans-internet-storm-center-s-daily-network-security-news-podcast-2484820/sans-stormcast-tuesday-july-7th-2026-rcs-and-dns-openssh-update-beyond-trust-advisory-polinrider-update
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Podcast: [SANS Internet Storm Center's Daily Network Security News Podcast](https://stenobird.com/podcast/sans-internet-storm-center-s-daily-network-security-news-podcast-2484820)
Published: 2026-07-06T22:05:32+00:00
Episode link: https://mp3.sans.edu/sans-stormcast-tuesday-july-7th-2026-rcs-and-dns-openssh-update-beyond-trust-advisory-polinrider-update
Audio file: https://traffic.libsyn.com/secure/securitypodcast/9996.mp3?dest-id=448030
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Duration seconds: 398

## Resource

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;

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