Cloud

Why Your Microsoft 365 and Cloud App Data Still Needs Backup

Hanatech Inc. · Updated September 24, 2026

Most businesses understand that on-premises data needs protection. Many now run on software-as-a-service (SaaS) platforms such as Microsoft 365 and Google Workspace, but fewer realize that data in those apps can be lost just as easily.

The shared responsibility model

SaaS providers work on a shared responsibility model. The provider keeps the service available: the hardware, applications and infrastructure. You are responsible for protecting the data your organization creates in those applications. Microsoft's own services agreement recommends that customers regularly back up their content.

What SaaS providers don't protect you from

  • Accidental deletion by users, the most common cause
  • Malicious deletion
  • Malware, ransomware and hackers
  • Sync errors that overwrite good data

Losing that data has real costs: downtime, lost customer confidence and time spent recreating work.

What to look for in SaaS backup

  • Durability: copies stored independently of the SaaS provider
  • Reliability: automatic, frequent backups you can verify
  • Functionality: fast, flexible restores, from a single file to a whole mailbox

Retention needs vary by industry, so choose a solution that gives you control over how long data is kept.

How Hanatech helps

Hanatech offers SaaS backup as part of its business continuity solution, or as an add-on to managed IT support. Contact us for a free custom quote.

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