ARTICLE
3 June 2025

Securing The Modern Enterprise

RS
RSM Canada

Contributor

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As enterprises accelerate digital transformation, embrace hybrid work and expand cloud adoption, the traditional enterprise network perimeter-based security model no longer holds.
Canada Corporate/Commercial Law

As enterprises accelerate digital transformation, embrace hybrid work and expand cloud adoption, the traditional enterprise network perimeter-based security model no longer holds. Identity has become the new perimeter, and with that shift comes a pressing need to rethink how access, privilege and trust are governed.

Core systems such as Microsoft Active Directory (AD), privileged access management and hybrid identity services remain foundational, but are also increasingly targeted. Today's threat actors exploit gaps in identity posture more often than they do firewalls or endpoints. Boards and executive leadership must now approach identity and access management (IAM) as a strategic priority, not just an IT function.

Across industries, leading organizations are aligning around six critical initiatives that drive resilience, reduce enterprise risk and enable secure growth in an interconnected world.

Modernize identity infrastructure

Legacy identity systems, particularly traditional AD deployments, are often built on outdated architectures that carry hidden risk. Common issues include dormant user accounts, unmanaged service principals and misaligned permissions that persist over time.

1. Best-in-class organizations are:

  • Transitioning to hybrid identity environments that integrate on-premises AD with cloud-based directories such as Azure AD
  • Eliminating legacy protocols (e.g., NTLM, basic authentication) and deploying modern, adaptive multifactor authentication (MFA) across the enterprise
  • Embedding identity modernization into larger digital transformation programs, ensuring that security and usability scale together

Operationalize zero trust

"Zero trust" is the dominant model for modern enterprise security. It shifts the mindset from implicit trust to continuous verification, assuming no user or device is trustworthy by default.

2. Strategic execution focuses on:

  • Verifying user identity, device health and context on every access attempt, regardless of network location
  • Applying least privilege access consistently across users, apps and infrastructure
  • Implementing microsegmentation and enforcing conditional access policies at scale

Organizations that succeed in implementing zero trust reduce their lateral movement risk and achieve greater visibility into access behaviours across the enterprise.

Tighten privileged access controls

Privileged accounts are high-value targets in nearly every breach scenario. Static or excessive permissions represent one of the greatest unmitigated risks in enterprise environments.

3. To mitigate this risk, organizations are:

  • Implementing just-in-time (JIT) access models that grant elevated privileges only when needed, and only for a limited time
  • Using privileged access management (PAM) platforms to vault credentials, monitor sessions and enforce access expiration
  • Establishing full visibility and audit trails for all administrative actions, across both on-prem and cloud environments

Effective privilege control is central to zero trust and essential for regulatory compliance in high-risk sectors.

Automate security and compliance enforcement

As environments scale, manual processes cannot keep up with the speed or complexity of modern threats. Automation is essential to reduce detection and response time, enforce policies consistently and support audit readiness.

4. Key capabilities include:

  • Deploying security information and event management (SIEM) platforms to collect and correlate identity, access and system events in real time
  • Utilizing security orchestration, automation and response (SOAR) solutions to automate incident response workflows and reduce manual intervention
  • Automating enforcement of identity governance policies through various specialized tools or configuration-as-code frameworks
  • Conducting regular red-team simulations and threat emulation exercises to validate detection and readiness against known adversary tactics

By embedding automation across security operations, enterprises increase resilience while reducing operational overhead.

Leverage cloud-native security capabilities

Cloud platforms now offer advanced security features and identity-aware services that enable faster innovation and stronger protection, if fully utilized.

5. High-performing organizations are:

  • Centralizing access policies and identity governance across multi cloud and hybrid environments
  • Leveraging AI-driven tools for real-time threat detection and response
  • Shifting from legacy perimeter controls to cloud-native architecture that supports dynamic, risk-based access and continuous monitoring

This evolution enables greater agility, consistent security coverage and a unified operational model.

Enable seamless access through biometric and multimodal recognition

A new frontier in identity verification is emerging: multimodal biometric access. Facial, image and voice recognition technologies are enabling secure, frictionless access across both physical and digital environments.

6. Organizations adopting these technologies benefit from:

  • Facial and image recognition for real-time authentication into networks, applications and facilities, eliminating the need for passwords, badges and tokens
  • Voice recognition for secure access in remote or hands-free scenarios, complementing visual methods
  • Multimodal verification that combines biometric inputs to increase accuracy, reduce spoofing risk and adapt to context (e.g., location, device or time of day)

Strategic outcomes include:

  • Seamless, location-independent access that adapts to user roles, risk posture and business needs
  • Stronger security with reduced reliance on vulnerable static credentials
  • Enhanced auditability and compliance through traceable, biometric-based access logs

The takeaway

Security is no longer confined to the IT domain. It is now a board-level issue that directly affects risk, resilience and reputation. With an effective IAM strategy, your company can form the foundation of digital trust and operational continuity.

Key questions for leadership teams:

  • Are we operating on modern, cloud-ready identity infrastructure?
  • Can we control and revoke privileged access instantly, across all environments?
  • Are we integrating AI, biometrics and automation to stay ahead of evolving threats?
  • Does our security posture reflect a zero-trust mindset by design, not by default?

Organizations that can answer these questions confidently are not just securing the present, but also positioning themselves for secure, agile growth in the future.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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