Security Audits
73% of companies don't know where their biggest security gaps are. An independent audit identifies weak points before attackers exploit them. You receive a concrete action plan - prioritized by business risk and budget.
What is an IT security audit?
An IT security audit is an independent assessment of an organization's security posture covering infrastructure, processes, policies, and compliance with standards (ISO 27001, NIS2, GDPR). nFlo delivers a report with a prioritized remediation roadmap — both an executive summary for the board and technical details for the IT team.
You don't know where your biggest gaps are - the attacker already does
Comprehensive risk map and remediation plan
Technical Audit
Systems, networks, applications, configurations
Process Audit
Policies, procedures, access management
Compliance Audit
ISO 27001, NIS2, GDPR, PCI DSS
External Audit Found What Every Hacker Could See
A cooperative bank underwent a regulatory audit. Auditors found an Oracle admin panel without a password in 20 minutes - accessible from the internet. The same panel had been visible to hackers for 8 months. During that time, data of 15,000 customers was downloaded. Cost: €500K regulatory fine + reputation loss + customer lawsuits.
Without regular security audits:
- Critical vulnerabilities remain unnoticed for years
- You don’t know if you’re investing in real risks
- Fail during regulator audit
- No preparation for ISO 27001 or NIS2 certification
Independent Assessment + Concrete Action Plan
We don’t leave you with a thick report full of jargon. We understand you have a limited budget and team. That’s why we prioritize recommendations by business risk and feasibility - from quick wins to strategic projects.
What you get:
- Technical audit: system, network, application, Active Directory configurations
- Process audit: policies, procedures, access management, backup & DR
- Compliance audit: gap analysis against ISO 27001, NIS2, GDPR, PCI DSS
- Risk assessment according to ISO 27005 or NIST methodology
- Executive summary report for management (no technical jargon)
- Technical report with concrete remediation steps
- Implementation roadmap with priorities (quick wins → long-term projects)
- Optionally: support in implementing top 10 recommendations
Who Is It For?
This service is for you if:
- You’re preparing for ISO 27001 certification or NIS2 audit
- You need an independent assessment before an important audit (regulatory, client)
- The board wants to know “how secure are we really”
- You want to check the effectiveness of security investments
- You must meet compliance requirements (GDPR, PCI DSS, industry-specific)
Types of Security Audits
ISO 27001 Compliance Audit
Assessment of ISO/IEC 27001 certification readiness:
- Gap analysis against standard requirements (Annex A - 93 controls)
- Information Security Management System (ISMS) assessment
- Documentation review (policies, procedures, registers)
- Verification of implemented control effectiveness
- Action plan to certification with timeline
Typical time: 5-10 days | Price from: €9,500
NIS2 Compliance Audit
Preparation for NIS2 directive requirements:
- Determination if you’re subject to NIS2 (essential/important entity)
- Gap analysis against 10 requirement areas
- Cybersecurity risk management assessment
- Incident reporting procedures review
- Supply chain security
- Compliance implementation plan with timeline
Typical time: 7-12 days | Price from: €12,000
GDPR Compliance Audit
Personal data processing verification:
- Personal data inventory
- Legal basis assessment
- Processing agreements and consent review
- Technical and organizational measures assessment
- Breach and data subject rights procedures verification
- Remediation recommendations
Typical time: 5-8 days | Price from: €8,500
Technical Infrastructure Audit
Technical security review:
- Windows/Linux server configuration
- Active Directory and permissions security
- Network segmentation and firewall rules
- System hardening according to CIS Benchmarks
- Backup, disaster recovery, and high availability
- Security monitoring and logging
Typical time: 5-10 days | Price from: €9,500
Related Glossary Terms
Learn more about key concepts related to this service:
Contact your account manager
Discuss Security Audits with your dedicated account manager.
How we work
Our proven service delivery process.
Planning
Scope, criteria, audit schedule
Evidence Collection
Interviews, documentation, technical tests
Analysis
Assessment against requirements and best practices
Reporting
Report with findings and prioritization
Follow-up
Support in implementing recommendations
Benefits for your business
What you gain by choosing this service.
Avoid Breaches
Find gaps before attackers exploit them
Regulatory Compliance
Meet NIS2, ISO 27001, GDPR requirements
Budget Optimization
Invest in the most important areas
Certification Readiness
Prepare for ISO 27001 or NIS2
Related Articles
Expand your knowledge with our resources.
Essential or Important Entity? Differences in Obligations, Supervision and Penalties (NIS2/NSC 2026)
The NSC amendment implementing NIS2 replaces the former concept of an essential service operator with two categories: an essential entity and an important entity. The category you fall into determines the supervision, the scope of audits and the upper limits of penalties. We explain the differences and show how to establish your own category.
Read more →DORA for the Financial Sector — Practical Implementation Step by Step (2026)
DORA has been in force since January 2025. Most Polish banks, fintechs, insurers and investment firms still lack full compliance. What to actually do in 90 days, how much it costs, who is responsible.
Read more →OWASP API Security Top 10 (2023) — complete guide to API threats
The OWASP API Security Top 10 (2023) is to APIs today what the Web Top 10 was a decade ago — a shared language for development teams, pentesters and compliance functions. Except that an API is a different attack surface than a classic web application.
Read more →Frequently Asked Questions
Common questions about Security Audits.
How much does an IT security audit cost?
Security audit pricing depends on scope and organization size. An audit for a mid-sized company (50-200 employees) typically costs €3,500 - €12,000. ISO 27001 compliance audits cost €7,000 - €18,000. We offer a free initial consultation with a quote.
How long does a security audit take?
A typical security audit takes 2-4 weeks. This includes planning (2-3 days), evidence gathering and interviews (1-2 weeks), analysis (3-5 days), and report preparation (3-5 days). For large organizations, this may take longer.
What's the difference between an audit and a penetration test?
An audit is a comprehensive assessment of processes, policies, configurations, and compliance with standards (e.g., ISO 27001). A penetration test is an attack simulation focused on technical vulnerabilities. We recommend both - an audit provides a broad picture, a pentest provides deep technical analysis.
Do you help implement audit recommendations?
Yes. We offer support in implementing recommendations - from individual consultations to full implementation projects. We can also prepare your company for ISO 27001 certification or NIS2 compliance audit.
How often should we do security audits?
We recommend security audits every 12-18 months. ISO 27001 requires regular internal audits (at least annually) and certification audits every 3 years. NIS2 requires regular security assessments. After major infrastructure changes, an earlier audit is advisable.