January 5, 20251 min read
Authentication Best Practices in 2025
Modern authentication strategies for web applications including OAuth, magic links, and passwordless authentication.
Modern authentication strategies for web applications including OAuth, magic links, and passwordless authentication.
Authentication is critical for any web application. Let's explore the best practices for implementing secure authentication in 2025.
Authentication has evolved significantly:
OAuth allows users to sign in with existing accounts:
// Using Better Auth
import { betterAuth } from "better-auth";
export const auth = betterAuth({
socialProviders: {
github: {
clientId: process.env.GITHUB_CLIENT_ID!,
clientSecret: process.env.GITHUB_CLIENT_SECRET!,
},
google: {
clientId: process.env.GOOGLE_CLIENT_ID!,
clientSecret: process.env.GOOGLE_CLIENT_SECRET!,
},
},
});Magic links provide a seamless passwordless experience:
Secure session handling is crucial: