Enterprise Security Implementation
Transform your Microsoft 365 Business Premium into a fortress-grade, compliance-ready security infrastructure. Trusted by 500+ organizations worldwide for zero-breach deployments.
The Challenge
- Microsoft 365 has 200+ security settings across 8 admin portals
- Average data breach costs $4.45M and takes 277 days to identify
- Compliance violations can result in 4% annual revenue fines (GDPR)
- 95% of breaches are caused by misconfiguration, not technology gaps
- DIY security leaves audit gaps and unprotected attack vectors
- Your team lacks time and expertise for proper implementation
Our Solution
- Enterprise-grade security deployed in 14-21 days, not months
- Audit-ready compliance mapped to 6+ frameworks (HIPAA, ISO, GDPR)
- 500+ successful deployments with zero client breaches
- 100+ page documentation package with configuration proof
- 30-day support transition to ensure team readiness
- ROI-positive: Prevention costs less than breach recovery
10 Complete Security Domains
Comprehensive implementation across every critical security area
Identity & Access Management
Identity & Access Control
Multi-Factor Authentication: TOTP, SMS, and Authenticator app enforcement for all users
Conditional Access: Risk-based policies with location and device compliance checks
Sign-in Protection: Automated blocking for risky sign-ins with real-time threat intelligence
Password Security: Custom banned password lists (100,000+ entries) and legacy protocol blocking
Privileged Access: Admin role separation with PIM and break-glass emergency accounts
Endpoint & Device Security
Endpoint Protection
Device Management: Microsoft Intune enrollment for Windows, macOS, iOS, and Android devices
Encryption: BitLocker 256-bit AES (Windows) and FileVault 2 (macOS) with TPM 2.0 verification
Compliance Policies: OS version requirements, screen lock (5 min timeout), and device health attestation
Application Control: App management policies with automated compliance remediation
Access Control: Unmanaged device blocking from all corporate resources
Advanced Threat Protection (EDR)
Microsoft Defender for Business: Cloud-delivered protection with real-time threat intelligence
EDR Block Mode: Automated investigation and remediation with SOAR capabilities
Attack Surface Reduction: 20+ ASR rules (macro blocking, script control, credential theft prevention)
Ransomware Protection: Controlled folder access, USB device control, and network protection
Threat Management: Vulnerability scanning, patch recommendations, and automatic device isolation
Data & Email Security
Email & Communication Security
Defender for Office 365: Safe Links (URL rewriting), Safe Attachments (detonation chamber), and ZAP
Anti-Phishing: User/domain impersonation protection, mailbox intelligence, and spoof detection
Email Authentication: SPF (hard fail), DKIM (2048-bit keys), DMARC (reject policy with RUA/RUF)
Teams Security: External collaboration controls, meeting lobby policies, and chat DLP
Security Controls: External forwarding blocked, transport rules, and quarantine policies
Data Loss Prevention (DLP)
Information Protection: Microsoft Purview with sensitivity labels (Public, Internal, Confidential, Restricted)
Encryption: AES-256 with Azure RMS, automatic and mandatory labeling policies
DLP Policies: SSN, Tax IDs, bank accounts, credit cards, SWIFT codes, passports, driver's licenses
Platform Coverage: Exchange, SharePoint, OneDrive, Teams, and endpoints with real-time blocking
User Controls: Policy tips, admin alerts, external sharing restrictions, and custom regex patterns
Monitoring & Business Continuity
Security Monitoring & Analytics
Unified Audit Log: 180-day to 10-year retention with mailbox auditing for all operations
Threat Detection: Impossible travel, mass file operations, privilege escalation, insider threats
Microsoft Sentinel: SIEM/SOAR integration with Azure Monitor and custom alert rules
Secure Score: Automated recommendations with continuous security posture monitoring
Executive Dashboards: Power BI reports with KPIs, trends, and automated workflows
Backup & Business Continuity
Microsoft 365 Native: Retention policies (7-year holds), litigation hold, and In-Place eDiscovery
Third-Party Solutions: Veeam, Barracuda, or AvePoint with 3-2-1 backup strategy and immutable storage
Recovery Metrics: RPO 15 minutes, RTO 4 hours with granular recovery (item, mailbox, site, Teams)
Validation: Automated backup verification and documented disaster recovery procedures
Testing: Validated restore testing for all data types (mailbox, SharePoint, Teams, OneDrive)
Collaboration & Governance
SharePoint & Collaboration Security
Architecture Design: Hub sites, document libraries with content types, and metadata tagging
Permission Management: Fine-grained model (item, folder, site level) with Azure AD group integration
External Collaboration: Guest access controls with expiration dates and time-limited permissions
Document Management: Version history (50,000 versions), IRM protection, approval workflows
Integration: Teams integration, Power Automate flows, and SharePoint audit logging
Compliance & Governance
Framework Coverage: WISP, IRS 4557, FTC Safeguards, HIPAA, ISO 27001:2022, GDPR, NIST CSF
Documentation: Security controls matrix, evidence collection, gap analysis, and risk assessment
Technical Artifacts: Data flow diagrams, system security plans (SSP), and audit-ready packages
Standards Compliance: CIS Microsoft 365 Benchmark, SOC 2 Type II, CMMC Level 2
Reporting: Power BI compliance dashboards with quarterly compliance reviews
Documentation & Handoff
Documentation & Knowledge Transfer
Security Documentation: Configuration baseline with screenshots and settings reference
Incident Response: Security playbooks for common scenarios (breach, malware, phishing)
Admin Guides: Step-by-step procedures for routine security tasks and maintenance
Knowledge Transfer: 1-2 hour handoff session with Q&A and portal walkthrough
Post-Support: 30-day email support for questions and secure credential handoff
Multi-Framework Compliance
Every configuration mapped to 6+ regulatory frameworks for comprehensive audit success
Written Information Security Program
- Access controls and MFA
- Device security and encryption
- Malware protection and EDR
- Monitoring and detection
- Incident response procedures
- Data protection and DLP
Tax Professional Security
- Multi-factor authentication
- FTI encryption (BitLocker/FileVault)
- Endpoint protection (Defender ATP)
- Email security (DMARC, Safe Links)
- DLP for SSN and Tax IDs
- Activity monitoring and audit logs
Financial Institution Security
- Access control and authentication
- Secure authentication (MFA)
- Device-level encryption (AES-256)
- File-level encryption (AIP/RMS)
- Activity monitoring (Sentinel)
- Comprehensive audit logging
Health Insurance Portability & Accountability
- Access controls (§164.312(a)(1))
- Audit controls (§164.312(b))
- Integrity controls (§164.312(c)(1))
- Transmission security (§164.312(e)(1))
- Authentication (§164.312(d))
- Encryption (§164.312(a)(2)(iv))
Information Security Management System
- A.5.1 - Information security policies
- A.5.15 - Access control policies
- A.5.16 - Identity management
- A.8.1 - User endpoint devices
- A.8.16 - Monitoring activities
- A.8.24 - Cryptographic controls
EU General Data Protection Regulation
- Article 32 - Security of processing
- Pseudonymisation and encryption
- Confidentiality and integrity controls
- Availability and resilience systems
- Article 33 - Breach notification (72hr)
- Data protection impact assessments
Extended Implementation & Testing Roadmap
Comprehensive 14-21 day implementation with thorough testing and validation
Discovery, Planning & Assessment
Comprehensive discovery workshop, environment assessment and inventory, license verification and gap analysis, access validation and credential setup, DNS record review, network topology documentation, existing security baseline assessment, risk identification, custom implementation plan with milestones, and stakeholder kickoff meeting.
Core Security Implementation
Identity and Access configuration (MFA, Conditional Access, PIM), Endpoint security deployment (Intune, compliance policies, encryption validation), EDR activation and ASR rule deployment, Email security setup (Defender O365, SPF/DKIM/DMARC), configuration validation testing at each phase, user impact assessment, and pilot group rollout for critical policies.
Data Protection, Monitoring & Backup
Sensitivity labels creation and testing, DLP policy configuration with rule testing, logging and alerting implementation, Secure Score baseline establishment, backup solution deployment and configuration, comprehensive restore testing (mailbox, SharePoint, Teams, OneDrive), RPO/RTO validation, and automated monitoring setup.
SharePoint, Testing & Validation
SharePoint structure creation and permission configuration, Hub site and content type setup, comprehensive security testing (penetration testing simulations, DLP rule validation, EDR alert testing, backup/restore validation), security control verification against compliance frameworks, gap remediation, and user acceptance testing (UAT) coordination.
Documentation & Compliance Mapping
Comprehensive documentation compilation (architecture diagrams, configuration screenshots, policy documents), compliance mapping to all 6+ frameworks (WISP, IRS, FTC, HIPAA, ISO 27001, GDPR), security controls matrix creation, audit evidence package preparation, playbook and runbook development, PowerShell script repository setup, and executive summary report creation.
Handoff, Training & Go-Live
Final documentation delivery (100+ page security architecture document), 2-3 hour knowledge transfer workshop with hands-on training, recorded video walkthroughs of admin portals, security awareness training materials delivery, technical review accommodation period, final adjustments based on feedback, secure credential handoff via encrypted vault, production rollout support, and transition to post-implementation monitoring phase.
Post-Implementation Monitoring & Support
Ongoing security management, auditing, and continuous improvement services
Security Monitoring & Alerts
Real-time monitoring of Microsoft Secure Score, automated alert response and triage, security incident investigation, threat intelligence updates, vulnerability management, and monthly security posture reports with executive dashboards showing trend analysis and KPI tracking.
Quarterly Compliance Audits
Comprehensive compliance assessments against WISP, IRS 4557, FTC, HIPAA, ISO 27001, and GDPR frameworks. Security control validation, gap analysis with remediation roadmaps, evidence package updates for auditors, policy review and updates, and compliance reporting with executive summaries.
Continuous Security Improvements
Microsoft 365 roadmap tracking for new security features, proactive security enhancements based on threat landscape evolution, policy optimization and fine-tuning, Microsoft Secure Score improvement initiatives, security awareness campaign management, phishing simulation programs, and quarterly security training refreshers.
Unlimited Email Support
Priority email support with <4 hour response time for critical issues, <24 hour response for standard inquiries, configuration guidance and troubleshooting, security advisory notifications, emergency incident response coordination, and dedicated support team with Microsoft 365 security specialists.
Monthly Security Reviews
Monthly security operations meetings with stakeholders, Secure Score trend analysis and action plans, DLP incident review and policy adjustments, threat landscape briefings, backup verification reports, identity and access review (privileged accounts, stale accounts, MFA compliance), and security roadmap planning sessions.
Incident Response & Forensics
Priority incident response for security breaches, forensic investigation services with root cause analysis, breach containment and remediation, regulatory breach notification assistance (HIPAA, GDPR compliance), post-incident review and lessons learned, security incident documentation for legal/compliance, and cyber insurance claim support.
Why Choose MStack360
What sets us apart from other Microsoft 365 consultancies
Proven Track Record
500+ successful deployments with zero client breaches. Our security implementations have protected clients from thousands of attack attempts.
Compliance Expertise
Deep knowledge of HIPAA, ISO 27001, GDPR, IRS 4557, FTC Safeguards, and WISP. We map every configuration to specific compliance requirements.
Transparent Process
Complete documentation with screenshots, configuration baselines, and detailed playbooks. You'll know exactly what we configured and why.
Specialized Team
Dedicated experts in Identity (Maged), SharePoint (Omar), Power Platform (Sam), and Project Management (Ahmad Ashraf). Not generalists—true specialists.
Knowledge Transfer
We don't just configure and disappear. Comprehensive handoff sessions, documentation, and 30-day support ensure your team is empowered.
Fast Implementation
14-21 day deployment timeline with comprehensive testing. Get enterprise security fast without sacrificing quality or thoroughness.
Ready to Secure Your Organization?
Every day without proper security is a day of unnecessary risk. Join 500+ organizations that trust MStack360 to protect their Microsoft 365 environment.