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authentication

Safeguard articles tagged "authentication" — guides, analysis, and best practices for software supply chain and application security.

78 articles

Concepts

What Is Authentication

Authentication is how a system proves you are who you claim to be. Here is what it means, how it works, the factors involved, and why it is the foundation of every access decision.

Mar 3, 20266 min read
Identity Security

JWT (JSON Web Token)

A JWT (JSON Web Token) is a compact, signed token used to prove identity and claims between systems. Here's how they work, and where they break.

Mar 1, 20268 min read
Identity Security

PASETO tokens

PASETO tokens explained: what is PASETO, how PASETO vs JWT differs, and why platform-agnostic security tokens with versioned crypto are safer by design.

Mar 1, 20267 min read
Cryptography

Cryptographic salt vs pepper

What is a cryptographic salt, and how does it differ from pepper in password hashing? A technical breakdown of salted hashes, bcrypt salt rounds, and best practices.

Feb 26, 20267 min read
Incident Analysis

Roku Credential Stuffing Attacks Compromise 576,000 Accounts

In April 2024, Roku disclosed that two separate credential stuffing campaigns had compromised approximately 576,000 customer accounts, with attackers making fraudulent purchases and changing account details on some affected accounts.

Feb 22, 20267 min read
Best Practices

What is Single Sign-On (SSO)

SSO lets users log in once to access many apps — but it also concentrates identity into one high-value target. Here's how it works and its real risks.

Feb 15, 20266 min read
Application Security

How to implement OAuth 2.0 securely

A step-by-step guide to implementing OAuth 2.0 securely: PKCE, redirect URI validation, token storage, and the vulnerabilities to avoid.

Feb 10, 20267 min read
Application Security

API Gateway Security Patterns That Actually Work

API gateways sit between the internet and your services. Getting the security patterns right here multiplies your defense across every API behind them.

Feb 9, 20266 min read
Application Security

OAuth Token Security Throughout the Lifecycle

OAuth tokens grant access to APIs, services, and user data. Their security across creation, storage, use, and revocation determines your application risk posture.

Feb 7, 20264 min read
Best Practices

How to implement password policy best practices

A step-by-step guide to implement password policy best practices: aligning with NIST guidelines, dropping outdated complexity rules, and rolling out passwordless authentication.

Feb 6, 20267 min read
Application Security

API Security Through the Supply Chain Lens

APIs are both an attack surface and a supply chain dependency. This guide examines API security risks from authentication to third-party integrations.

Feb 3, 20267 min read
Web Security

Authentication Bypass: Common Patterns Attackers Exploit

Authentication bypass vulnerabilities let attackers access protected resources without valid credentials. This guide covers the most common bypass patterns found in modern web applications and how to prevent each one.

Jan 28, 20268 min read

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authentication (Page 6) — Safeguard Blog