Malware Protection Policy

1. Purpose

The purpose of this Malware Protection Policy is to establish requirements for preventing, detecting, monitoring, responding to, and recovering from malware-related threats that may affect the organization’s information systems, networks, applications, devices, and data.

Malware poses a significant threat to the confidentiality, integrity, and availability of information assets. Effective malware protection helps reduce the risk of data breaches, ransomware attacks, unauthorized access, service disruptions, and other cybersecurity incidents.

This policy establishes a framework for implementing and maintaining malware protection controls across the organization.

2. Scope

This policy applies to:

• All employees
• Contractors
• Consultants
• Temporary personnel
• Interns
• Third-party personnel with access to organizational systems

This policy applies to:

• Servers
• Workstations
• Laptops
• Mobile devices
• Virtual machines
• Cloud-hosted systems
• Containers
• Applications
• Email systems
• Network infrastructure
• Removable media
• Internet-facing systems

The policy applies to all organization-owned, managed, leased, or otherwise controlled information systems and devices.

3. Policy Statement

The organization shall implement and maintain malware protection controls designed to prevent, detect, contain, investigate, and remediate malicious software threats.

Malware protection technologies, processes, and procedures shall be deployed based on risk, business requirements, system criticality, and threat exposure.

All organizational systems shall be protected by approved malware protection mechanisms whenever technically feasible.

4. Objectives

The objectives of this policy are to:

• Prevent malware infections.
• Detect malicious software activity.
• Reduce organizational exposure to cyber threats.
• Protect information assets and business operations.
• Support incident detection and response.
• Minimize operational disruptions.
• Support regulatory and compliance obligations.
• Promote secure computing practices.

5. Definitions

Malware

Malicious software designed to disrupt operations, gain unauthorized access, steal information, encrypt data, or otherwise compromise systems.

Antivirus Software

Software designed to detect, prevent, quarantine, and remove malicious software.

Endpoint Protection Platform (EPP)

A security solution that provides malware prevention and endpoint security capabilities.

Endpoint Detection and Response (EDR)

A security solution that monitors endpoint activity and supports detection, investigation, and response to threats.

Ransomware

Malware that encrypts data or systems and demands payment for restoration.

Quarantine

The isolation of potentially malicious files or software to prevent execution or spread.

6. Roles and Responsibilities

Executive Management

Responsible for:

• Supporting malware protection initiatives.
• Providing resources for malware defense capabilities.
• Reviewing significant malware-related risks.

Information Security Team

Responsible for:

• Managing the Malware Protection Program.
• Defining malware protection requirements.
• Monitoring malware threats and trends.
• Investigating malware-related incidents.
• Reporting security findings.

Information Technology Team

Responsible for:

• Deploying approved malware protection solutions.
• Maintaining malware protection systems.
• Supporting remediation efforts.
• Ensuring systems remain updated.

System Owners

Responsible for:

• Supporting malware protection controls.
• Assisting with remediation activities.
• Maintaining compliance with security requirements.

Employees and Authorized Users

Responsible for:

• Following security policies.
• Avoiding unsafe computing practices.
• Reporting suspected malware activity.
• Using only authorized software.

7. Malware Protection Program

The organization shall maintain a documented Malware Protection Program that includes:

• Malware prevention
• Threat detection
• Endpoint protection
• Email protection
• Web protection
• Incident response integration
• Security awareness
• Monitoring and reporting

The program shall be reviewed periodically for effectiveness.

8. Approved Malware Protection Solutions

Approved malware protection technologies shall be deployed where technically feasible.

Protection solutions may include:

• Antivirus software
• Endpoint protection platforms
• Endpoint detection and response solutions
• Email security solutions
• Web filtering solutions
• Sandboxing technologies
• Threat intelligence integrations

Only authorized malware protection tools may be used within the environment.

9. Endpoint Malware Protection

Endpoints shall be protected using approved malware protection solutions.

Endpoint protection controls shall include, where feasible:

• Real-time malware scanning
• Behavioral analysis
• Threat detection
• Automatic updates
• Quarantine capabilities
• Tamper protection

Endpoint protection shall remain enabled unless formally authorized otherwise.

10. Server Malware Protection

Servers shall be protected using malware protection controls appropriate to their operating environment.

Server protection may include:

• Malware scanning
• File integrity monitoring
• Behavioral monitoring
• Threat detection
• Centralized management

Scanning schedules shall be configured to minimize operational disruption.

11. Malware Signature and Engine Updates

Malware protection systems shall receive regular updates.

Updates may include:

• Malware signatures
• Detection engines
• Threat intelligence feeds
• Security configuration updates

Updates shall be applied automatically whenever feasible.

Systems unable to receive updates shall be evaluated for additional controls.

12. Real-Time Protection

Real-time malware protection shall be enabled whenever technically feasible.

Real-time protection shall monitor:

• File activity
• Process execution
• Memory activity
• Network communications
• User activity associated with malware risks

Exceptions shall be documented and approved.

13. Scheduled Scanning

Periodic malware scans shall be conducted according to organizational requirements.

Scanning activities may include:

• Full-system scans
• Quick scans
• On-demand scans
• High-risk file scanning
• Removable media scanning

Scan schedules shall balance security requirements and operational impact.

14. Email Malware Protection

Email systems shall implement controls designed to reduce malware risks.

Controls may include:

• Attachment scanning
• URL analysis
• Sandboxing
• Spam filtering
• Phishing detection
• Threat intelligence integration

Potentially malicious content shall be blocked, quarantined, or otherwise controlled.

15. Web and Internet Protection

Internet access controls shall help reduce malware exposure.

Controls may include:

• Web filtering
• Domain reputation services
• URL inspection
• Download restrictions
• Threat intelligence-based blocking

High-risk websites may be blocked or restricted.

16. Application Control

Application control mechanisms may be implemented to reduce malware risk.

Controls may include:

• Application allowlisting
• Software approval processes
• Execution restrictions
• Privilege management controls

Unauthorized software shall be prohibited.

17. Removable Media Protection

Removable media usage shall be controlled to reduce malware risks.

Controls may include:

• Malware scanning
• Device restrictions
• Encryption requirements
• Usage monitoring

Removable media shall be scanned before accessing organizational systems whenever feasible.

18. Cloud and Virtual Environment Protection

Cloud systems and virtual environments shall be protected using security controls appropriate to the technology environment.

Protection measures may include:

• Malware scanning
• Workload protection
• Threat detection
• Configuration monitoring
• Cloud-native security services

Cloud security responsibilities shall be documented.

19. Malware Detection and Alerting

Malware-related events shall generate alerts based on risk and severity.

Alerting mechanisms may include:

• Endpoint alerts
• Security monitoring systems
• SIEM integrations
• Managed security services

Critical alerts shall be investigated promptly.

20. Malware Incident Response

Malware detections shall be evaluated according to the Incident Response Program.

Response activities may include:

• Isolation of affected systems
• Quarantine actions
• Threat analysis
• Containment measures
• Eradication activities
• Recovery actions

Significant malware incidents shall be documented and investigated.

21. Ransomware Protection

The organization shall implement controls designed to reduce ransomware risk.

Controls may include:

• Endpoint protection
• Backup and recovery capabilities
• Access controls
• Security awareness training
• Network segmentation
• Threat detection technologies

Ransomware-related incidents shall receive priority handling.

22. Security Awareness

Personnel shall receive awareness training regarding malware risks.

Training topics may include:

• Phishing awareness
• Safe browsing practices
• Suspicious attachments
• Social engineering threats
• Safe software installation practices

Awareness activities shall be conducted periodically.

23. Monitoring and Reporting

Malware protection systems shall be monitored for effectiveness.

Monitoring activities may include:

• Malware detection trends
• Protection coverage
• Update status
• Incident statistics
• Compliance reporting

Security metrics shall be reviewed periodically.

24. Exceptions

Exceptions to this policy must:

• Be documented
• Include business justification
• Include risk assessment
• Identify compensating controls
• Be approved by management
• Be reviewed periodically

Temporary exceptions shall include expiration dates.

25. Compliance and Auditing

Compliance with this policy shall be verified through:

• Internal audits
• Security assessments
• Endpoint reviews
• Compliance evaluations
• Monitoring program reviews

Findings shall be documented and addressed through corrective action processes.

26. Enforcement

Violations of this policy may result in:

• Removal of system access
• Disciplinary action
• Contract termination
• Legal action where applicable

27. Review and Maintenance

This policy shall be reviewed:

• At least annually
• Following significant malware incidents
• Following major technology changes
• Following regulatory changes
• Following updates to malware protection capabilities

Updates shall be approved by executive management.

28. Related Policies

• Information Security Policy
• Incident Response Policy
• Security Monitoring and Logging Policy
• Vulnerability Management Policy
• Patch Management Policy
• Security Awareness and Training Policy
• Access Control Policy
• Security Risk Management Policy

29. Policy Approval

Policy Owner: Chief Information Security Officer (CISO) or Information Security Manager

Approved By: Executive Management

Effective Date: __________________

Review Date: __________________

Version: 1.0