Hot, Warm and Cold DR Sites Explained (2026)
Disaster recovery planning in 2026 still commonly uses the foundational taxonomy of hot, warm, and cold sites, even though the underlying infrastructu…
DR Testing Types: Tabletop to Full Failover Explained
Testing disaster recovery procedures is the only way to establish whether an organisation can survive severe disruption, yet selecting the wrong test …
Business Continuity vs Disaster Recovery Explained
Business continuity and disaster recovery are frequently conflated in enterprise IT planning, yet they represent two fundamentally different operation…
Bare Metal Recovery Explained: Architecture, Drivers & UK Rules
Bare metal recovery (BMR) reconstructs an entire physical or virtual machine directly from bare hardware without relying on an already-installed opera…
Grandfather-Father-Son Backup: GFS Retention Explained
Grandfather-Father-Son (GFS) backup is an established hierarchical rotation scheme designed to balance granular, immediate recovery points with long-t…
Full vs Incremental vs Differential Backup Explained (2026)
Incremental backups minimise ingestion time and network bandwidth by capturing only modified blocks, but create dependent restore chains; differential…
Backup vs Replication vs Snapshot Explained (2026 UK Guide)
Backup, replication and snapshot copies are not interchangeable, yet UK IT teams routinely treat them as one thing: a copy of data that keeps the busi…
Ransomware Recovery Explained: Clean-Room Restores in 2026
On 18 March 2026, Rackspace Technology and Rubrik switched on the UK Sovereign Cyber Recovery Cloud — a clean-room recovery environment built to stay …
DRaaS Explained 2026: Cloud Failover as a DR Site Alternative
Disaster recovery as a service (DRaaS) replaces the traditional second data centre with a cloud standby that a provider only switches on when you decl…
RTO vs RPO Explained (2026): Downtime and Data Loss Targets
Two numbers decide how much downtime and how much data loss a business can survive — and most teams inherit them from whatever a backup tool defaults …
The 3-2-1-1-0 Backup Rule Explained (2026 UK Guide)
For a decade, 3-2-1 was the whole conversation: three copies of your data, on two different media, with one copy offsite. Then ransomware operators st…
Immutable Backups Explained: Object Lock & WORM 2026
Ransomware crews now go after the backup copy before they touch production data — because a clean restore point is the one thing that lets a business …
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