How a Single Microsoft 365 Mistake Led to 80,000 Devices Being Wiped in Hours
On March 11, 2026, one of the world’s largest international companies faced a massive cyber incident: employees across multiple regions
May 18, 2026
Spherium
Security built for
the AI era
Spherium helps organizations defend against modern threats — from cloud misconfigurations to Shadow AI risks — with expert-led security architecture tailored to your environment.
Next-gen security for a cloud-first world
From AI-assisted threat detection to AI governance, our experts cover every layer of your Microsoft and cloud environment
Shadow AI Discovery
We identify every AI tool being used across your environment — sanctioned or not — giving you full visibility before you can govern it.
- Confidential data sent to external AI models
- No visibility into which AI tools employees use
- Compliance violations — GDPR, HIPAA, SOC 2
- Unvetted AI outputs influencing business decisions
Identity & Access Management
Protect user identities and control access to critical cloud resources with modern authentication and least-privilege principles.
- Entra ID Conditional Access Policies
- Privileged Identity & Access Reviews
- Passwordless Authentication & MFA
- Role-Based Access Controls
Endpoint, Identity & Cloud Protection
Unified detection and response across endpoints, identities, and cloud — Microsoft Sentinel correlates every signal and enriches each alert with live threat intelligence.
- Microsoft Intune & Autopilot — zero-touch endpoint provisioning
- Defender for Endpoint & Defender XDR configuration
- Microsoft Sentinel SIEM — identity, endpoint & cloud monitoring with UEBA
- Threat-intelligence (TI) mapping & alert enrichment
Email, Web & Application Security
Defend your organization’s inbound channels — email, websites, and cloud applications — against phishing, malware, and layered web-based attacks.
- Microsoft Defender for Office 365 & Phishing Awareness Training
- SPF, DKIM & DMARC Implementation
- Cloudflare WAF, Rate Limiting & Bot Defense
- Application Security Reviews & Secure TLS/SSL Configuration
Information Protection & Data Governance
Classify, label, and secure sensitive data across Microsoft 365 and cloud services to ensure compliance and prevent data loss.
- Microsoft Purview Information Protection (Sensitivity Labels & Encryption)
- Data Loss Prevention (DLP) for Email, Endpoints & Cloud Apps
- Data Classification & Access Policies
- Compliance Auditing & Reporting
Cloud Security Assessment
Holistic review of your cloud posture to identify risks, misconfigurations, and improvement opportunities.
- Microsoft 365 & Entra ID Security Review
- Cloud Configuration & Compliance Audit
- Conditional Access & MFA Enforcement
- Cloud Governance Recommendations
SHADOW AI & AI GOVERNANCE
YOUR EMPLOYEES ARE ALREADY USING AI. IS YOUR DATA SAFE?
ChatGPT, Copilot, Gemini, and dozens of other AI tools are being used across your organization right now — often without IT’s knowledge, without policies, and without data controls.
This is Shadow AI: the fastest-growing data leakage risk facing enterprises today.
- Confidential data sent to external AI models
- No visibility into which AI tools employees use
- Compliance violations — GDPR, HIPAA, SOC 2
- Unvetted AI outputs influencing business decisions
Employees using unapproved AI tools
55%
of employees use AI tools their IT team hasn’t approved
Average cost of an AI-related data breach
$4.9M
IBM Cost of a Data Breach Report
How Spherium secures and governs AI use across your organization
Shadow AI Discovery
We identify every AI tool being used across your environment — sanctioned or not.
AI Usage Policy & Controls
Policies that allow safe AI usage while preventing data exfiltration.
Microsoft Copilot Governance
Secure deployment of Copilot with labels, permissions and governance controls.
AI Risk Monitoring
Dashboards, alerts and reporting for AI-related activity.
Cloud Security & Compliance Success Stories
Highlighting real-world projects that combine advanced identity, endpoint, and data protection
to deliver resilient, compliant cloud environments.
Professional Services
Phishing & Malware Resilience Program
Implemented an organization-wide phishing and malware resilience program focused on user awareness, simulated attack campaigns, and layered email security improvements. The initiative reduced successful phishing attempts and enhanced employee response readiness.
- 6 months
- 3 specialists
Technologies Used
Microsoft Defender for Office 365
Attack Simulation Training
Exchange Online Protection & Email Encryption
Awareness Campaign Management
80% reduction in reported phishing incidents within six months
Financial Services
Passwordless Authentication Rollout
Delivered a secure authentication modernization initiative by deploying passkeys and integrating passwordless sign-in with Conditional Access policies. This project improved both user experience and protection against credential theft.
- 3 months
- 2 specialists
Technologies Used
Microsoft Entra ID Conditional Access
MFA Strength Enforcement
Entra ID Identity Protection
Microsoft Authenticator
100% passwordless adoption in pilot group, zero credential phishing incidents post-rollout.
Technology
Automated Threat Response & Identity Hardening
Developed and implemented operational playbooks for detecting, triaging, and remediating compromised resources. Strengthened identity protection with risky user policies, session controls, and a tiered access model to minimize lateral movement.
- 6 months
- 4 specialists
Technologies Used
Microsoft Sentinel & Defender XDR
Microsoft Defender for Cloud Apps
Privileged Identity Management (PIM)
Conditional Access Session Controls
Strengthened operational resilience and established a repeatable framework for automated incident response.
Ready to strengthen your security posture with expert-led, reliable protection?
15+ years securing cloud environments
Founded by Alex and Daniel, Spherium brings enterprise-grade cybersecurity to organizations of every size — combining deep Microsoft stack expertise with a practical, business-first approach.
We don’t sell generic frameworks. We design security architectures that fit your real environment, risk profile, compliance requirements, and how your people actually use AI today.
Why Choose Spherium?
- Certified experts with proven real-world experience
- AI governance and Shadow AI specialists
- Custom strategies — not copy-paste playbooks
- Rapid response and ongoing advisory support
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Is your organization ready for AI-era threats?
Get in touch with our team to talk through your top risks — including Shadow AI exposure — and map out a practical roadmap to close them.