The audit finds the gaps. We close them.

KleoSEC is a security integrator. We implement the technical measures an ISO 27001 or NIS2 audit prescribes - penetration testing, remediation, security tooling - and deliver the evidence auditors accept. Under your name or as your partner.

50+

Security Assessments

48h

Implementation Plan from Gap Analysis

0

Critical Findings in Retest

Trusted across industries

"We found KleoSEC to be the right tool to ensure every iteration of our API remained secure. It integrated seamlessly into our deployment pipeline and became a natural part of our release process."— Karlo Gašpar CTO, Parklio d.o.o.
"I think the training is really at a high level, especially regarding the various tools we were introduced to and the techniques of hacking and social engineering."— Participant, Social Engineering Education
"The instructor was excellent; everything was clear and concise. I would gladly attend future lectures again."— Ana, Secure Digital Transformation Education
"I am very satisfied with how the project turned out. The entire training and learning process, especially working with OSINT tools, was very engaging and insightful."— Participant, Social Engineering Education
"Following the conducted pentest and phishing campaign, the team demonstrated a high level of expertise, responsibility, and professionalism. The activities were carried out thoroughly and discreetly, in line with the best practices in information security, with clear and actionable recommendations for improvement. This serves as an excellent example of successfully delivered work and a valuable contribution to strengthening the faculty's security culture."— Branimir Lela, Dean at FESB
"KleoSEC provided high-quality cybersecurity expertise on our Expert Public project. Communication was professional and effective throughout the engagement, execution was delivered with rigor, and the final report was of excellent quality. It proved highly valuable and directly supported our teams in their work."— Pierre Perbet Mazabras , COO at CODITO ERGO SUM
"We found KleoSEC to be the right tool to ensure every iteration of our API remained secure. It integrated seamlessly into our deployment pipeline and became a natural part of our release process."— Karlo Gašpar CTO, Parklio d.o.o.
"I think the training is really at a high level, especially regarding the various tools we were introduced to and the techniques of hacking and social engineering."— Participant, Social Engineering Education
"The instructor was excellent; everything was clear and concise. I would gladly attend future lectures again."— Ana, Secure Digital Transformation Education
"I am very satisfied with how the project turned out. The entire training and learning process, especially working with OSINT tools, was very engaging and insightful."— Participant, Social Engineering Education
"Following the conducted pentest and phishing campaign, the team demonstrated a high level of expertise, responsibility, and professionalism. The activities were carried out thoroughly and discreetly, in line with the best practices in information security, with clear and actionable recommendations for improvement. This serves as an excellent example of successfully delivered work and a valuable contribution to strengthening the faculty's security culture."— Branimir Lela, Dean at FESB
"KleoSEC provided high-quality cybersecurity expertise on our Expert Public project. Communication was professional and effective throughout the engagement, execution was delivered with rigor, and the final report was of excellent quality. It proved highly valuable and directly supported our teams in their work."— Pierre Perbet Mazabras , COO at CODITO ERGO SUM
"We found KleoSEC to be the right tool to ensure every iteration of our API remained secure. It integrated seamlessly into our deployment pipeline and became a natural part of our release process."— Karlo Gašpar CTO, Parklio d.o.o.
"I think the training is really at a high level, especially regarding the various tools we were introduced to and the techniques of hacking and social engineering."— Participant, Social Engineering Education
"The instructor was excellent; everything was clear and concise. I would gladly attend future lectures again."— Ana, Secure Digital Transformation Education
"I am very satisfied with how the project turned out. The entire training and learning process, especially working with OSINT tools, was very engaging and insightful."— Participant, Social Engineering Education
"Following the conducted pentest and phishing campaign, the team demonstrated a high level of expertise, responsibility, and professionalism. The activities were carried out thoroughly and discreetly, in line with the best practices in information security, with clear and actionable recommendations for improvement. This serves as an excellent example of successfully delivered work and a valuable contribution to strengthening the faculty's security culture."— Branimir Lela, Dean at FESB
"KleoSEC provided high-quality cybersecurity expertise on our Expert Public project. Communication was professional and effective throughout the engagement, execution was delivered with rigor, and the final report was of excellent quality. It proved highly valuable and directly supported our teams in their work."— Pierre Perbet Mazabras , COO at CODITO ERGO SUM
"We found KleoSEC to be the right tool to ensure every iteration of our API remained secure. It integrated seamlessly into our deployment pipeline and became a natural part of our release process."— Karlo Gašpar CTO, Parklio d.o.o.
"I think the training is really at a high level, especially regarding the various tools we were introduced to and the techniques of hacking and social engineering."— Participant, Social Engineering Education
"The instructor was excellent; everything was clear and concise. I would gladly attend future lectures again."— Ana, Secure Digital Transformation Education
"I am very satisfied with how the project turned out. The entire training and learning process, especially working with OSINT tools, was very engaging and insightful."— Participant, Social Engineering Education
"Following the conducted pentest and phishing campaign, the team demonstrated a high level of expertise, responsibility, and professionalism. The activities were carried out thoroughly and discreetly, in line with the best practices in information security, with clear and actionable recommendations for improvement. This serves as an excellent example of successfully delivered work and a valuable contribution to strengthening the faculty's security culture."— Branimir Lela, Dean at FESB
"KleoSEC provided high-quality cybersecurity expertise on our Expert Public project. Communication was professional and effective throughout the engagement, execution was delivered with rigor, and the final report was of excellent quality. It proved highly valuable and directly supported our teams in their work."— Pierre Perbet Mazabras , COO at CODITO ERGO SUM
What We Do After the Audit

You lead the advisory and documentation. We do the technical implementation.

How we work with partners
01

Verify

Penetration testing (external, internal, web applications), vulnerability assessment and IT/OT network architecture review.

You get: Report with prioritised findings, mapped to ISO 27001 Annex A and NIS2 Art. 21.
02

Remediate

Hardening to CIS benchmarks, network segmentation and OT zones, MFA and privileged-account review, closing gap-analysis findings.

You get: Implemented measures with before/after configurations.
03

Prove

Retest, implementation report and deployment of tools that record the evidence for the auditor: central logging (SIEM), EDR and backup with restore test.

You get: Documentation the auditor accepts without rework.
Featured Case Study
Security Audit Report

Secure Network Architecture Design for Energy Infrastructure

Energy Sector Company

SAMPLE
HIGH
Network segmentation design across all operational zones
HIGH
Dedicated management network for infrastructure devices
MEDIUM
Isolated backup zone with immutable storage design
0 findings0 critical2 wk
AE

"TBA"

— Anonymous, Energy Sector Company

Secure Network Architecture Design for Energy Infrastructure

An energy sector organization was building their IT/OT infrastructure from the ground up and needed expert guidance to design and architect a secure network from scratch. The client required a comprehensive architecture plan covering network segmentation, security device placement, and data protection aligned with industry best practices for critical infrastructure.

Our Approach

Requirements gathering and greenfield architecture planning
Threat modeling specific to energy sector infrastructure
Full network topology design from scratch with defense-in-depth principles
Firewall placement strategy and zone design
NAS and backup infrastructure positioning
Network segmentation planning (VLANs, subnets, ACLs)
Documentation and phased implementation roadmap delivery
Read Full Case Study
Free Resource

See exactly what
you'll receive.

Download our sample penetration test report. 42 pages of detailed findings, risk assessments, and remediation guidance.

40+

Pages

7

Sample Findings

Download Sample Report

PDF format
No email required

Your clients ask "who will implement this?" That is the question we answer.

Send us the findings of one gap analysis (anonymised) and we return an implementation plan with an estimate within 48 hours. Or book a 20-minute call to see if we fit your clients.

Why KleoSEC

Security That Holds Up in the Audit

Evidence the Auditor Accepts

Every finding and every implemented measure is mapped to ISO 27001:2022 Annex A and NIS2 Art. 21(2). Reports and evidence packs go straight into the client's compliance documentation - no rework by the consultant.

Work With Us