User authentication is now a cornerstone of modern security strategy. Every digital product relies on reliable identity verification to regulate access and safeguard sensitive operations. As applications scale, threats become more targeted and increasingly automated. Attackers exploit weak authentication flows, exposed tokens, and flawed verification logic. When developers overlook these vulnerabilities, they risk opening pathways that can compromise entire systems. To Know More: https://digicrusader.com/secur....e-user-authenticatio