Cybersecurity Audit and Posture Assessment for Businesses
Get a clear picture of your Microsoft 365 environment and IT infrastructure
Your business evolves, your tools multiply — and so do the threats.
Our cybersecurity audit identifies:
- your risks
- your critical vulnerabilities
- your outdated elements
- your action priorities
Yet few organizations have a truly complete view of their IT security posture.
Our assessment helps you see exactly where vulnerabilities lie, what needs to be addressed quickly, and what can be planned over the medium term.
You can’t protect what you can’t see clearly
Over time, technology environments become more complex: Microsoft 365 accounts, devices, servers, remote access, licences, configurations, solutions added over the years.
The risk doesn’t come only from a cyberattack. It also comes from obsolescence, misconfigured settings, a lack of control, partial visibility, and a failure to prioritize.
Our cybersecurity posture assessment helps you answer essential questions:
- Where are our most significant risks?
- Which vulnerabilities need to be addressed first?
- Is our Microsoft 365 environment adequately protected?
- Does our infrastructure include any outdated or vulnerable elements?
- Which actions will have the greatest impact on our security?
A cybersecurity audit allows SMEs to identify the real risks in their technology environment, including Microsoft 365 configuration flaws, outdated infrastructure elements, and vulnerabilities that increase their exposure to cyberattacks.
A comprehensive analysis of your technological environment
Our IT security audit covers your entire environment to provide a clear, concrete and prioritized view of your security level.
Microsoft 365
- General security settings
- Identity and access management
- Multi-factor authentication
- Privileged accounts
- Security and protection policies
- Data sharing, collaboration, and exposure
- Configuration best practices
IT Infrastructure
- Servers, workstations, and network equipment
- Firewalls, remote access, and segmentation
- Outdated or end-of-life elements
- Exposure to known vulnerabilities
- Consistency of deployed protections
- Overall environment hygiene
Governance and Prioritization
- Key business risks
- Critical vulnerabilities to address quickly
- Short-, medium-, and long-term priorities
- Realistic recommendations tailored to your context
Rhesus conducts cybersecurity audits for Quebec SMEs, covering three areas: the Microsoft 365 environment, IT infrastructure, and governance. The goal is to produce a clear picture with concrete action priorities.
Why conduct a cybersecurity audit for your business
See clearly
You get a comprehensive picture of your IT security level, rather than a partial or intuitive impression.
Prioritize the right actions
Not all gaps carry the same impact. We help you distinguish between what’s urgent, what’s important, and what can be planned.
Reduce real risks
The goal isn’t to add unnecessary tools — it’s to fix what genuinely exposes your business to cyberthreats.
Plan your investments better
You can direct your technology decisions based on risks, obsolescence, and concrete gains.
Strengthen your resilience
A stronger cybersecurity posture reduces the likelihood of disruptions, compromises, and unpleasant surprises.
A cybersecurity audit allows SMEs to identify the real risks in their technology environment, including Microsoft 365 configuration flaws, outdated infrastructure elements, and vulnerabilities that increase their exposure to cyberattacks.
Cybersecurity audits for businesses across Quebec
Rhesus supports SMBs across multiple regions of Quebec. Our offices in Sherbrooke, Victoriaville, and Mirabel allow us to serve businesses in the Eastern Townships, Centre-du-Québec, the Laurentians, and the greater Montreal area.
The cybersecurity posture assessment can be conducted remotely or on-site depending on your needs and the size of your environment.
Frequently Asked Questions: Cybersecurity Audit
What is a cybersecurity posture assessment?
It’s a comprehensive analysis of your technology environment aimed at identifying your risks, vulnerabilities, outdated elements, and action priorities to improve your security. The assessment covers Microsoft 365, physical infrastructure, and governance practices.
Why include Microsoft 365 in the security audit?
Microsoft 365 is at the heart of many organizations’ operations. Misconfigurations, overly permissive access, or incomplete protections can create significant risks — even if the organization believes it’s well protected. The audit validates that proper security practices are in place.
Does the assessment also cover IT infrastructure?
Yes. The analysis includes servers, workstations, network equipment, firewalls, remote access, and end-of-life elements. The goal is to identify critical weaknesses and vulnerabilities that increase your exposure.
What is the concrete outcome of the assessment?
You receive a clear picture of your current posture with prioritized recommendations: what needs to be addressed immediately, what’s important over the medium term, and what can be planned. Recommendations are realistic and adapted to your business context.
Is a cybersecurity audit useful for an SMB?
Absolutely. SMBs are frequent targets of cyberattacks because they often have fewer dedicated security resources. An audit helps focus efforts and investments where the impact is greatest, rather than acting blindly.