<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Tessera Blog</title><description>Deep dives on Linux PAM, offline authentication, and device access for distributed fleets.</description><link>https://tessera-access.com/blog/</link><item><title>PCI DSS on ATMs: passwordless sign-in for service engineers</title><link>https://tessera-access.com/blog/pci-dss-atm-passwordless/</link><guid isPermaLink="true">https://tessera-access.com/blog/pci-dss-atm-passwordless/</guid><description>How PCI DSS 4.0 authentication and account requirements apply to ATM fleets — and what passwordless, certificate-based sign-in changes: MFA, password rotation, shared accounts.</description><pubDate>Tue, 28 Jul 2026 00:00:00 GMT</pubDate></item></channel></rss>