https://cloudmato.com/tags/spa/Recent content in SPA on cloudmato.comHugo -- gohugo.ioencloudmato.comcloudmato.comTue, 23 Jun 2026 17:08:57 +0530https://cloudmato.com/posts/spa-secure-authentication-sso-mfa/Tue, 23 Jun 2026 17:08:57 +0530cloudmato.comhttps://cloudmato.com/posts/spa-secure-authentication-sso-mfa/<p>The browser is a hostile environment. That one sentence explains more about why SPA authentication goes wrong than any whitepaper ever has. You&rsquo;re shipping your entire application — including your auth logic — to a machine you don&rsquo;t control, in a runtime where malicious scripts, rogue browser extensions, and network-level attackers are all operating in the same sandpit. Get the design wrong and you&rsquo;re not just leaking a JWT. You&rsquo;re handing over session persistence, user identity, and trust — all at once.</p>