Microsoft Defender for Business Perth — What It Does
Microsoft Defender for Business explained — what it protects against, how it works, and how DM1 configures it for Perth small businesses.
Talk to DM1 TodayView Our ServicesWhat Is Microsoft Defender for Business?
Microsoft Defender for Business is an enterprise-grade endpoint security platform designed for businesses with up to 300 employees. It's included in Microsoft 365 Business Premium and provides threat detection, investigation and response across all business devices — Windows, Mac, iOS and Android.
Defender for Business is not the same as the Windows Security that comes with every Windows PC. It's a managed, cloud-connected security platform that sends alerts, detects behavioural threats, and can isolate compromised devices automatically. DM1 configures and monitors Defender for Business for Perth clients as part of the managed service.
What Does Microsoft Defender for Business Protect Against?
"Ransomware"
Defender for Business detects ransomware behaviour — mass file encryption — and can automatically isolate the affected device before it spreads to other machines on your network.
"Phishing and malicious links"
Defender for Business integrates with Microsoft Defender for Office 365 to scan links in emails and block malicious websites in real time on all enrolled devices.
"Malware and viruses"
Signature-based and behaviour-based detection catches known and unknown malware. Defender for Business is consistently rated among the top enterprise AV products.
"Credential theft"
Defender for Business detects attempts to harvest login credentials from Windows memory — a common technique used in targeted business attacks.
"Vulnerable software"
Defender for Business includes a vulnerability management component that identifies outdated software and missing patches across your entire device fleet.
"Insider threats and account misuse"
Behavioural analytics detect unusual activity — large data downloads, access at unusual hours, or access from unusual locations.
How DM1 Configures Microsoft Defender for Business
Enable and Onboard All Devices
DM1 enables Defender for Business through the Microsoft 365 Defender portal and onboards all Windows, Mac and mobile devices to centralised management.
Apply Security Baselines
DM1 applies Microsoft's recommended security baseline policies — attack surface reduction rules, network protection, and controlled folder access — appropriate for your business.
Monitor Alerts Ongoing
DM1 monitors the Defender for Business alert queue as part of the managed service. You're notified of anything significant, and DM1 investigates and responds to threats.
What DM1 Finds When Reviewing Unprotected Businesses
DISCOVERED DURING DM1 NEW CLIENT ONBOARDING
Windows Security disabled on all machines — by the previous IT provider
A Perth business was onboarded to DM1 with Windows Security disabled on every device. The previous IT provider had disabled it to install a third-party AV that had since lapsed. DM1 re-enabled Defender and deployed Defender for Business.
DISCOVERED DURING DM1 NEW CLIENT ONBOARDING
Ransomware attack contained — isolated device before spread
A DM1-managed Perth business had a device compromised by ransomware. Defender for Business detected the encryption behaviour, automatically isolated the device from the network, and alerted DM1 before any other devices were affected.
DISCOVERED DURING DM1 NEW CLIENT ONBOARDING
22 high-severity vulnerabilities on a 3-year-old fleet — none remediated
A Perth business with 8 devices had 22 high-severity vulnerabilities identified in the first Defender for Business vulnerability scan. DM1 remediated all 22 within the first month.
Get Microsoft Defender for Business Configured
If you're on Microsoft 365 Business Premium, Defender for Business is already included. DM1 deploys and monitors it for Perth businesses. Call (08) 6202 6012.
Contact DM1 Today(08) 6202 6012