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encryption

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

29 articles

Security

spring-security-crypto: What It Does and How to Use It Safely

The spring-security-crypto module gives Spring apps password hashing, symmetric encryption, and key generation without pulling in the full security framework. Here is how to use each piece correctly.

Apr 7, 20265 min read
Vulnerability Analysis

What Are Cryptographic Failures

Cryptographic failures are OWASP's #2 Top 10 risk — weak, missing, or broken encryption. See real breaches, causes, and how to detect and fix them.

Mar 23, 20267 min read
Concepts

What Is TLS? Transport Layer Security Explained

TLS is the protocol that encrypts data in transit across the internet, turning the padlock in your browser into real protection against eavesdropping and tampering.

Mar 21, 20266 min read
Security

What Makes an Encryption Algorithm Symmetric?

An encryption algorithm is symmetric when the same secret key both encrypts and decrypts the data. That single property shapes its speed, its use cases, and its one hard problem.

Mar 21, 20266 min read
Security Concepts

Symmetric vs Asymmetric Encryption, Explained

What makes an encryption algorithm symmetric is a single shared key for both encryption and decryption; asymmetric algorithms use a mathematically linked public/private key pair instead — and the difference decides which one you should reach for.

Feb 19, 20266 min read
Best Practices

What is Encryption

Encryption converts readable data into ciphertext using algorithms and keys. Here's how AES, RSA, and TLS actually work — and where implementations fail.

Feb 18, 20266 min read
Best Practices

What is TLS/SSL

TLS/SSL encrypts data in transit, but outdated versions and unpatched libraries like Heartbleed-era OpenSSL still expose real risk today.

Feb 17, 20266 min read
Best Practices

What is a VPN

A plain-English breakdown of what a VPN is, how it encrypts traffic, and why VPN gateways have become one of the most exploited attack surfaces in enterprise networks.

Feb 17, 20267 min read
Container Security

How to encrypt Kubernetes secrets at rest

A step-by-step guide to encrypting Kubernetes secrets at rest: choosing a KMS provider, configuring etcd encryption, re-encrypting existing secrets, and verifying it worked.

Feb 17, 20268 min read
Container Security

Kubernetes Secrets Encryption Providers Reviewed

etcd encryption at rest finally works out of the box. The question is which provider you use, and the trade-offs have sharpened in 2024.

Feb 16, 20268 min read
Infrastructure Security

How to encrypt a Terraform state file

A step-by-step guide to encrypting a Terraform state file using an S3 backend, KMS keys, and IAM controls to keep infrastructure secrets safe.

Feb 13, 20267 min read
Application Security

Sensitive Data Exposure Prevention: Protecting Data at Rest, in Transit, and in Use

Data exposure is not just about encryption. It is about knowing where your sensitive data lives, how it moves, and who can access it at every stage.

Jan 21, 20266 min read

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encryption (Page 2) — Safeguard Blog