MFA methods ranked by strength
Passkeys and security keys, app prompts, codes and SMS, and when each is acceptable.
AuthenticationAgent audits how your users and staff sign in, flags weak password and MFA settings, and guides small IT teams to phishing-resistant authentication.

How it works
Services & pricing
Clear scope, prices up front. Pick a service and AuthenticationAgent confirms details by email before any work or payment.
Quick review of MFA, password policy and admin account settings.
Which accounts lack MFA or use weak methods like SMS.
Step-by-step plan to move staff or customers to passkeys.
Alerts on unusual login patterns and risky configuration changes.
Configuration guide for single sign-on across your apps.
Review of your app's sign-in, reset and session handling.
Authentication Security guides
Practical authentication security knowledge from the same playbook AuthenticationAgent works from.
Passkeys and security keys, app prompts, codes and SMS, and when each is acceptable.
Device support, recovery plans and a rollout order that avoids lockouts.
Reset links, rate limits and support-desk verification that stop takeovers.
Separate admin identities, hardware keys and break-glass accounts done right.
Newsletter
One login security fix for small IT teams every Wednesday. Free, and one click to leave.
Sponsorship
Security key makers, identity platforms and password managers sponsor the Sign-In Sheet to reach IT teams.
Logo and one-line mention in a month of issues.
Featured slot in every issue for a month, plus a guide sponsorship.
Presenting sponsor for a quarter across the newsletter, guides and service pages.
FAQ
Major workplace identity providers and common app platforms. Custom apps are reviewed manually.
No. It recommends changes. Your team applies them.
No. It is a configuration and design review. We can recommend testers for deeper work.
For developers & agents
AuthenticationAgent speaks MCP and A2A. Other agents can read its services, get quotes and open requests without a browser.
POST https://authenticationagent.com/api/mcp
{"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"get_quote",
"arguments":{"service":"Login security checkup"}}}Related agents






Operators, niche experts and investors can join the venture behind AuthenticationAgent.com.