Potential security gaps may be leaving your business exposed to phishing attacks, ransomware, compromised accounts, and data loss.
- Hanlo Reyneke
- May 14
- 1 min read

Many people assume Microsoft 365 automatically protects everything, but Microsoft actually operates on what is called a “shared responsibility” model.
In simple terms:
Microsoft keeps the Microsoft 365 platform running, but protecting and recovering your business data is still ultimately your responsibility.
What many businesses don’t realise is that most Microsoft 365 environments are missing:
• Email Security
• Microsoft 365 Backups
• Potentially Collaboration Security (depending on whether files are shared externally)
The real concern is not just losing data or money — it is the business impact that follows:
• Downtime
• Lost productivity
• Lost client information
• Compliance risks
• Tens of thousands of dollars in recovery costs
• Phishing scams and fraudulent payment requests
There have already been cases where a single phishing or social engineering email has resulted in massive financial losses and, in some cases, contributed to businesses closing down.
We created a simple visual overview explaining:
• The risks
• The protection gaps we commonly identify
• How Email Security, Collaboration Security, and Microsoft 365 Backups work together to help protect your business
Please take a few minutes to review the visual overview carefully.
If you would like help identifying and plugging potential gaps within your Microsoft 365 environment, and proactively improving your business security, feel free to contact us directly.
(09) 238 2560
6 Cape Hill Road, Pukekohe, Auckland, 2120
All the best,
Dial a Nerd Ltd



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