Disable Email Autofill

Disabling email autofill can reduce the risk of accidentally sending sensitive information to the wrong recipient. It’s a simple but powerful tweak, especially in environments with frequent external communication or shared workstations. Bonus: It aligns nicely with privacy recommendations under ISO 27001 and the ASD Essential Eight.

Why This Matters

Prevents misdirected emails and accidental data leaks
Encourages deliberate email address entry in high-risk roles
Supports compliance with Australian cybersecurity frameworks
Can be rolled out via Group Policy or Microsoft 365 admin center for enterprise-wide enforcement
Zero impact on email functionality — just a nudge toward safer habits

How to Roll Out in Under 15 Minutes

Method 1: Outlook Desktop App (Microsoft 365 or Outlook 2021+)

Open Outlook
Click File > Options > Mail
Scroll down to Send Messages
Untick Use Auto-Complete List to suggest names when typing in the To, Cc, and Bcc lines
To purge existing suggestions:
Click Empty Auto-Complete List
Confirm when prompted

Method 2: Outlook Web (OWA)

Open Outlook in your browser
Go to Settings (⚙️) > Mail > Compose and Reply
Scroll down to Message format
Toggle off Suggest people to email while composing
Changes are saved automatically

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Some Other Wins to Try...

Enforce Automatic Software Updates

Enabling automatic updates across your devices takes less than 15 minutes and dramatically shrinks your attack surface by ensuring you’re patched against known vulnerabilities.

Disable USB Auto-Run to Block Malware Entry

Disabling USB Auto-Run is a fast, effective way to reduce the risk of malware spreading via infected flash drives. It prevents Windows from automatically executing files (like autorun.inf) when a

Implementing Automatic Screen Locks

Enforcing automatic screen locks is one of the fastest, highest-impact controls you can roll out. In under 15 minutes, you can tighten your organisation’s security posture by ensuring every workstation,

At DNG Technology, we’re a small business – just like many of the clients we help. We know firsthand how hard you work to build what you have, and how devastating it would be to lose it. A cyber breach isn’t just a technical issue – it’s personal. And with an average cost per breach of $50,000 for small businesses in Australia, it’s not something anyone can afford to ignore.

We help protect your business by training your team with practical skills, real-world awareness, and everyday habits that stop 95% of the threats you’ll face before they ever become a problem. Then we fill the remaining gaps with proven security strategies, from the government’s Essential Eight to frameworks that make sure you’re covered under Australian privacy law and other compliance requirements.

If you’d like to talk through where your business might be vulnerable, and how we can help fix it, give David or Greg a call on (08) 7078 0310. We’d love to hear your story and see how we can support it.

Don't leave your data security and compliance to chance

Reach out to DNG Technology today to discuss how we can help you protect your data, manage risk, and achieve compliance. Your information security is our top priority and it should be yours.

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