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MalwareHigh priority

Install approved security software on all business devices

Ensure every device used for work has an approved, up-to-date endpoint protection tool installed and monitored.

Why this matters

Business devices handle customer data and financial information. A single infected device can compromise your entire network.

How to do it

  1. Choose a business-grade endpoint security tool (e.g. Microsoft Defender for Business, Malwarebytes for Teams)
  2. Deploy to all devices — including staff laptops and company-owned phones
  3. Configure automatic definition updates
  4. Set up alerting so you know if a threat is detected

Cyber Essentials framework

This task falls under the Malwarecontrol — one of five areas assessed in the UK's Cyber Essentials scheme. Completing it counts toward your Cyber Essentials alignment.

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