Naga Yeswanth Reddy Guntaka

Passwordless Authentication: Security, Usability, and Readiness for a Password-Free Future

Abstract:

Passwordless authentication is rapidly emerging as the next frontier in enterprise security, replacing vulnerable password-based systems with more secure and user-friendly alternatives. Traditional password mechanisms expose organizations to risks 80% of hacking-related breaches involve compromised credentials, and phishing affected 75% of organizations in 2023. Beyond security, password resets cost $70–$100 each and consume up to 520,000 hours annually in mid-sized enterprises. 
This session explores the shift to authentication methods built on biometrics, hardware tokens, mobile-based solutions, and magic links. Biometric verification is now used by 78% of organizations, with fingerprint authentication adopted by 83%. Hardware tokens with FIDO2 standards saw a 127% increase in deployment from 2021 to 2023, while mobile push authentication is supported by 73% of enterprises, reducing login times by 58% and cutting help desk calls by 61%. Organizations adopting passwordless methods report a 79% reduction in account takeovers, a 47% decrease in help desk volume, and ROI gains of 271% over three years. 
Challenges remain: hardware solutions cost $45–$70 per user annually, and 41% of employees express privacy concerns about biometrics. Integration complexity is significant, with 29% of enterprise applications lacking native support for standards like SAML, OAuth, or FIDO2. Identity and Access Management platforms such as SailPoint, Oracle, and Saviynt provide governance frameworks that simplify deployment and ensure compliance. 
With phased adoption, employee education, and IAM integration, organizations can overcome these barriers. Passwordless authentication enhances security, reduces costs, and improves user experience, positioning it as a critical evolution in digital identity strategies. 

Profile:

Naga Yeswanth Reddy Guntaka is a highly experienced IT and Cybersecurity professional with over 15 years of expertise in Identity and Access Management (IAM) and Identity Governance and Administration (IGA). Based in North Carolina, he works as an IAM Architect, Solution Architect, and Senior Principal Consultant, focusing on SailPoint Identity Security Cloud, Oracle Identity Manager (OIM), Saviynt, Okta, and related security technologies. 
Yeswanth has extensive experience across the full software lifecycle, including installation, design, development, implementation, and support of enterprise security systems. He has successfully delivered IAM solutions that address access control, user lifecycle management, single sign-on (SSO), segregation of duties (SoD), certifications, compliance, and risk management. His work has streamlined provisioning processes, reduced help desk requests, improved audit readiness, and minimized security risks for clients across industries such as manufacturing, retail, telecom, banking, finance, healthcare, insurance, and education. 
At CDW Technologies LLC, he has led SailPoint IdentityNow implementations for clients including Assured Partners, Delta Faucet, Carnival Cruise Line, PACCAR, TRANE Technologies, Shutterstock, and Tractor Supply Company. His responsibilities included integrating authoritative sources such as Workday, configuring connectors, designing lifecycle rules, developing workflows, implementing non-employee risk management, and leveraging APIs for custom solutions. He has also guided role mining and RBAC models using AI modules within SailPoint to strengthen governance and access security. 
Previously, at Agility Technologies LLC, Yeswanth delivered Oracle Identity Governance (OIG) solutions for Truist Bank (formerly BB&T), focusing on provisioning, reconciliation, certification campaigns, compliance, and workflow automation. He also contributed to CMS.GOV’s EIDM project for healthcare providers, implementing OIM/OAM solutions for identity proofing and secure access across legacy and new systems. 
Earlier roles at Wipro Technologies (British Telecom) and Venus Technologies (Motability, Tesco) provided hands-on experience with OIM/OAM implementations, ADF-based development, and integration with Active Directory, Exchange, PeopleSoft, and HR systems. 
Yeswanth holds an M.Sc. in Mobile Communications from London Metropolitan University, UK, and a Bachelor of Technology in Electronics and Communications from JNTU, India. His technical skills include SailPoint, Oracle IAM, Okta, Saviynt, CyberArk, PowerShell, Python, REST APIs, and cloud platforms such as AWS, Azure, and GCP.