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Centralize authentication for multiple sites & apps | AccessGuard

AccessGuard

Centralize authentication for multiple sites & apps

Embed hosted login/registration via a signed HMAC bridge without CORS headaches.

HMAC bridge diagram
Client → Bridge → AccessGuard

Overview

Embed hosted login/registration via a signed HMAC bridge without CORS headaches.

Problem

Teams maintain separate login flows per site, causing security drift, duplicate code, and inconsistent UX.

Solution

AccessGuard provides a drop-in HMAC bridge (PHP/JS) that proxies auth to your workspace with signed, replay-protected requests.

How it works

Create a Connection in AccessGuard, deploy ag.php/ag.js to each site, and embed <accessguard-login>. All auth happens centrally, returning short-lived JWTs with refresh, while your sites stay lightweight.

Who is this for

Platform Lead Frontend Engineer Security Engineer

Expected outcomes

  • Consistent login UX across properties
  • Reduced auth surface area per site
  • Signed, replay-safe requests with audit trails

Key metrics

Auth code maintained per site

Baseline

1200 LOC

Target

150 LOC

Auth-related incidents

Baseline

6 per quarter

Target

1 per quarter

Gallery

HMAC bridge diagram
Client → Bridge → AccessGuard

Downloads & templates

Case studies

MediaNet unifies auth across 7 microsites

One hosted flow replaced 7 bespoke logins with measurable risk reduction.

Media Mid-market EU

Security impact

  • Email/username, IP/UA metadata, tokens (encrypted/hashed) · PII: business contact info

Compliance

  • GDPR (lawful basis & consent for processing)
  • SOC2 controls (access & change)

Availability & next steps

Free Pro Enterprise