ENDPOINT SECURITY & EDR
Microsoft Defender for Endpoint for businesses
IT Systems deploys Microsoft Defender for Endpoint so businesses can prevent, detect, investigate and respond to threats across workstations and servers. The service covers readiness assessment, pilot, onboarding, security baselines, alerting and incident-response procedures.
Review device platforms, existing antivirus or EDR, licensing, management tools and alert-response capability before rollout.
Endpoint security must go beyond traditional antivirus
Endpoints are where users open email, download files and access business data. Defender for Endpoint combines prevention, attack-surface reduction, EDR, vulnerability management and incident response in one operating model.
Prevent earlier
Next-generation antivirus and attack-surface reduction limit dangerous behavior.
Detect and investigate
EDR records signals, correlates alerts and supports incident investigation.
Respond with control
Isolate devices, collect investigation packages and perform remediation through runbooks.
Microsoft Defender for Endpoint deployment scope
Licensing and tenant
- Plan 1, Plan 2 or an eligible bundle.
- Roles and portal access.
Device onboarding
- Supported Windows, macOS and Linux.
- Server licensing where required.
Prevention
- Microsoft Defender Antivirus.
- Cloud and tamper protection.
Attack Surface Reduction
- ASR rules.
- Web, network and device control.
EDR and incidents
- Alerts and incident queue.
- Appropriate advanced hunting.
Vulnerability management
- Exposure and recommendations.
- Remediation tracking.
ASSESS → PILOT → ONBOARD → OPERATE
Pilot before enforcing endpoint protection broadly
Security settings can affect applications, scripts, peripherals and user workflows. The pilot should represent departments and platforms, measure false positives and performance, and define controlled exceptions.
- Check for conflicts with existing antivirus or EDR.
- Evaluate ASR rules in audit or warn mode before blocking.
- Assign alert owners, severities and response SLAs.
- Exercise device isolation, investigation and recovery.
Microsoft Defender for Endpoint deployment process
1. Assessment
Inventory devices, operating systems, security tools, licensing, networks and specialized applications.
2. Design
Define onboarding, baselines, ASR, alert routing, roles and exceptions.
3. Pilot
Onboard representative devices and measure health, false positives and performance.
4. Rollout and operations
Expand in phases, monitor incidents, tune policies and report regularly.
Defender for Endpoint scope and acceptance criteria
Workstream
Activities
Validation criteria
Readiness
Review licensing, OS, proxy or firewall, antivirus and management methods.
Eligible devices and no unresolved blockers.
Onboarding
Connect devices through Intune, script, Group Policy or another suitable method.
Devices are active and sensors are healthy.
Prevention
Configure antivirus, cloud protection, tamper protection and ASR.
Policies reach the right groups and exceptions have owners.
Detection
Configure incidents, alert notifications, roles and the hunting workflow.
Alerts reach the correct owner within the SLA.
Response
Define triage, isolation, investigation package collection and remediation runbooks.
The response exercise succeeds with evidence.
Related solutions
Frequently asked questions about Defender for Endpoint
Is Defender for Endpoint the same as Windows Defender?
Defender Antivirus provides prevention. Defender for Endpoint adds centralized management, EDR, incidents, vulnerability management and response based on licensing.
What is the difference between Plan 1 and Plan 2?
Plan 1 focuses on prevention and attack-surface reduction. Plan 2 adds EDR and more advanced investigation and response capabilities.
Does it protect macOS and Linux?
Microsoft supports eligible versions of these platforms. Features and deployment methods should be validated for each operating system.
Is Microsoft Intune required?
Not for every onboarding model, but Intune helps manage configurations, compliance and policies centrally.
Does Defender for Endpoint replace a SOC?
No. The platform provides signals and response capabilities, but the business still needs alert ownership, triage, SLAs and escalation.
Should ASR rules be set to block immediately?
Use audit or warn mode and a representative pilot first because ASR can affect macros, scripts and business applications.
Need a Defender for Endpoint readiness assessment and rollout?
IT Systems reviews devices, licensing, antivirus or EDR, applications and response processes, then proposes a suitable pilot, onboarding and operating model.
Readiness • Pilot • Onboarding • Response