Data Security

Data protection in practice — encryption, data loss prevention, data classification, and ransomware-resilient backup and recovery.

Air-gapped backup vault with write-once storage media protecting data against ransomware encryption

Data Security November 7, 2024

Immutable Backups and Ransomware: Recovery You Can Trust

How immutable backups, object lock, and the 3-2-1-1-0 rule build ransomware recovery you can rely on — plus what immutability does not protect.

Data flowing through a security checkpoint with some records flagged and blocked while others pass through to an external network

Data Security January 23, 2023

Data Loss Prevention: What DLP Actually Catches (and What It Doesn't)

DLP tries to stop sensitive data from leaving where it belongs — but classification quality, not the tool, determines whether it works. A practitioner's guide …

Abstract illustration of encrypted data blocks on a storage disk connected to a network with a secured transit tunnel

Data Security November 2, 2017

Encryption at Rest vs. In Transit: What Each One Actually Covers

Encryption at rest protects stored data from anyone who reaches the disk; encryption in transit protects data moving across a network. A practitioner's guide to …