Teju Shyamsundar

Senior Product Marketing Manager

Teju Shyamsundar is a Senior Product Marketing Manager at Okta, leading our Adaptive Authentication products. Prior to Okta, she worked at Microsoft and implemented enterprise mobility technologies across a large set of enterprise customers in various industries. Teju now works on driving the value of Okta’s adaptive MFA and Adaptive SSO capabilities across customers and partners. Teju holds a BS degree in Computer & Information Technology from Purdue University.

What is ADFS (Active Directory Federation Services)?

Active Directory Federation Services (ADFS) is a Single Sign-On (SSO) solution created by Microsoft. As a component of Windows Server operating systems, it provides users with authenticated access to applications that are not capable of using Integrated Windows Authentication (IWA) through Active Directory (AD). Developed to provide flexibility,…

What is a One-Time Password (OTP)?

A one-time password or passcode (OTP) is a string of characters or numbers that authenticates a user for a single login attempt or transaction. One-time passwords are created by an algorithm, that generates a unique value for each OTP by factoring in contextual information, like time-based data or previous login events. Tech support teams…

What Is Two-Factor Authentication (2FA)?

Two-factor authentication (2FA) is a form of multi-factor authentication (MFA), and is also known as two-step authentication or two-step verification. 2FA is a security measure that requires end-users to verify their identities through two types of identifiers to gain access to an application, system, or network. Think of your most recent login…

The 9 IAM Challenges in Your Hybrid IT Environment

For a deeper dive, check out our Top 9 Identity & Access Management Challenges with Your Hybrid IT Environment whitepaper.

How to Reach Zero Trust Maturity

For more details, here's a link to the How to Reach Zero Trust Maturity with Okta whitepaper mentioned above.

What Is SMS Authentication and Is It Secure?

SMS authentication—also known as SMS-based two-factor authentication (2FA) and SMS one-time password (OTP)—allows users to verify their identities with a code that is sent to them via text message. A form of two-factor authentication, it often acts as a second verifier for users to gain access to a network, system, or application, and is a good…

Today’s Mobile Security Threats: What Are They and How Can You Prevent Them?

Viruses, spyware, and other malware can affect more than just desktop computers and laptops. Mobile devices are vulnerable as well. As the threat landscape continues to evolve, it’s important that we not only understand these risks—but how we can protect ourselves against them. In this post, we’ll take a closer look at the mobile phone security…

What Is Vishing?

Vishing (or “voice phishing”) is a type of social engineering scam where an attacker tries to trick their target into surrendering sensitive data over the phone. As with other social engineering attacks, these phone phishing scams prey upon human emotions—attackers often create false scenarios that cause panic (e.g., security alerts) or desire (e…

What Is Spear Phishing?

Spear phishing is a form of cyber attack targeted at a particular person or small set of individuals. In these scams, bad actors research their chosen targets and attempt to convince them to surrender sensitive data or financial information. Spear phishing attacks may also aim to infect user devices with malware, allowing attackers to steal the…

What is Phishing?

In today’s increasingly digital environment, employees and contractors can sign into workplace applications and systems from anywhere with a simple set of credentials. And while this might make things easier for employees and contractors alike, it also puts organisations at heightened risk of a specific form of cybercrime: phishing. Designed to…