Christopher Eller, Founder of Valiido and TÜV® SÜD certified ISO® 27001 Auditor

Team

Christopher Eller

Founder of Valiido & ISO® 27001 Auditor

Founder of Valiido and information security professional with 16+ years of experience across IT, security, compliance and the automotive industry. TÜV® SÜD certified as ISO® 27001 Auditor, Data Protection Officer (DPO) and Risk Manager.

Areas of expertise

  • ISO® 27001
  • TISAX®
  • VDA® ISA
  • ISMS
  • Information security compliance

Articles by Christopher Eller

50 guides on ISO® 27001, TISAX® and information security.

7 Reasons Your ISMS Is Not Audit-Ready (And How to Fix Each One)

Industry Insights

7 Reasons Your ISMS Is Not Audit-Ready (And How to Fix Each One)

Outdated risk assessments, policies nobody follows, controls that exist only on paper: the same handful of problems block most first audits. This guide names all seven and shows how to close each gap before the auditor arrives.

Jun 17, 2026

ISO® 27001 Certification: A Step-by-Step Guide for SMBs

Industry Insights

ISO® 27001 Certification: A Step-by-Step Guide for SMBs

ISO® 27001 certification looks daunting from the outside, but for an SMB it follows a clear path. This is the map: eight steps from scope to a passed certification audit, with cost, timeline and the deeper guides for each stage.

Jun 17, 2026

Valiido vs Intervalid: Which ISMS Platform Fits Your Needs?

Comparison

Valiido vs Intervalid: Which ISMS Platform Fits Your Needs?

Valiido and Intervalid both serve DACH companies pursuing ISO® 27001 and TISAX®. Intervalid covers a broad set of 20+ frameworks; Valiido goes deep on two standards with a guided path, automated checks, and public pricing. We compare both fairly.

Jun 17, 2026

5 Best ISMS Software Tools for ISO® 27001 in 2026 (Compared)

Industry Insights

5 Best ISMS Software Tools for ISO® 27001 in 2026 (Compared)

Choosing the wrong ISMS software costs more than money. We compare the 5 best ISMS software tools for ISO® 27001 in 2026 - and which type of organization each one fits best.

Jun 10, 2026

The Best ISO® 27001 Compliance Tools for Small Teams in 2026

Insights in ISO® 27001

The Best ISO® 27001 Compliance Tools for Small Teams in 2026

Most ISO® 27001 tools assume a compliance department you don't have. We look at what small teams actually need from compliance software - and which tools deliver it in 2026.

Jun 10, 2026

How to Build an ISMS Without a Consultant

Industry Insights

How to Build an ISMS Without a Consultant

Consultants charge $10,000 to $40,000 for an ISO® 27001 project - and the knowledge leaves with them. Self-implementation is realistic for SMBs, if your platform carries the structure a consultant would otherwise provide.

Jun 10, 2026

How to Choose ISMS Software: 8 Questions to Ask Before You Buy in 2026

Industry Insights

How to Choose ISMS Software: 8 Questions to Ask Before You Buy in 2026

Choosing the wrong ISMS software can cost you months of rework and a failed audit. These 8 questions help you evaluate any vendor before you commit.

Jun 10, 2026

ISO® 27001 Certification in 12 Weeks: A Step-by-Step Timeline for SMBs in 2026

Insights in ISO® 27001

ISO® 27001 Certification in 12 Weeks: A Step-by-Step Timeline for SMBs in 2026

Twelve weeks to a certified ISMS is achievable for a focused SMB team. This week-by-week timeline shows what to do, where teams typically get stuck, and how to keep momentum through to a passed audit.

Jun 10, 2026

Top Vanta Alternatives for ISO® 27001 Compliance in 2026

Industry Insights

Top Vanta Alternatives for ISO® 27001 Compliance in 2026

Vanta is a strong compliance automation platform, but it is not the right fit for every team. We compare the top Vanta alternatives for ISO® 27001 in 2026 - and which type of organization each one serves best.

Jun 10, 2026

Valiido vs DataGuard for ISO® 27001 and TISAX®

Comparison

Valiido vs DataGuard for ISO® 27001 and TISAX®

Two opposite models: pure ISMS software your team runs itself versus a compliance platform bundled with consulting and external officer services.

Jun 10, 2026

Valiido vs Drata for ISO® 27001 and TISAX®

Comparison

Valiido vs Drata for ISO® 27001 and TISAX®

Two different philosophies: a specialized ISMS platform for ISO® 27001 and TISAX® versus a broad compliance-automation platform with 30+ frameworks.

Jun 10, 2026

Valiido vs ISMS.online for ISO® 27001 and TISAX®

Comparison

Valiido vs ISMS.online for ISO® 27001 and TISAX®

Two different approaches: a specialized ISMS platform with ISO® 27001 and TISAX® as the product core versus a flexible, policy-led compliance workspace covering multiple frameworks.

Jun 10, 2026

Valiido vs secjur for ISO® 27001 and TISAX®

Comparison

Valiido vs secjur for ISO® 27001 and TISAX®

Two German vendors, two models: pure ISMS software your team runs itself versus a hybrid of software and an integrated consulting layer.

Jun 10, 2026

Valiido vs Secureframe for ISO® 27001 and TISAX®

Comparison

Valiido vs Secureframe for ISO® 27001 and TISAX®

Two different philosophies: a specialized ISMS platform for ISO® 27001 and TISAX® versus a broad compliance-automation platform spanning frameworks from SOC 2 to FedRAMP.

Jun 10, 2026

Valiido vs Vanta for ISO® 27001 and TISAX®

Comparison

Valiido vs Vanta for ISO® 27001 and TISAX®

Two different philosophies: a specialized ISMS platform for ISO® 27001 and TISAX® versus a broad trust-automation platform with 40+ frameworks.

Jun 10, 2026

How AuditMagic Works: Valiido's Automated ISMS Audit Tool Explained

Industry Insights

How AuditMagic Works: Valiido's Automated ISMS Audit Tool Explained

ISMS audit automation checks your ISMS continuously and flags issues before they reach an auditor - here is exactly how AuditMagic does it.

Jun 2, 2026

Valiido Pricing 2026: What You Get for €149/Month

Industry Insights

Valiido Pricing 2026: What You Get for €149/Month

A clear breakdown of what €149/month covers in Valiido, how it compares to other ISMS software, and who it is built for.

Jun 2, 2026

ISMS Connect is now Valiido

News

ISMS Connect is now Valiido

We started as a document toolkit. Now we're something bigger. ISMS Connect is now Valiido.

Mar 25, 2026

Our Definitive Guide to Implementing ISO® 27001

Insights in ISO® 27001

Our Definitive Guide to Implementing ISO® 27001

Information security is one of the most important aspects of any business.

Mar 4, 2026

A Comprehensive Look at 7 Different Types of Information Security

Insights in Security

A Comprehensive Look at 7 Different Types of Information Security

Knowing different types of information security is essential for professionals amid the many threats organizations have to deal with. From data breaches to malware attacks, it’s essential to be aware of these security types and have robust defense mechanisms.

Feb 25, 2026

How To Develop an Effective Information Security Policy

Insights in Security

How To Develop an Effective Information Security Policy

Cybersecurity has become more important than ever. With organizations worldwide facing increasing threats to their digital infrastructure, having strong cybersecurity policies in place is crucial.

Feb 24, 2026

Why Is Information Security Important? 7 Compelling Reasons

Industry Insights

Why Is Information Security Important? 7 Compelling Reasons

In a world where data is often considered as valuable as gold, the significance of information security cannot be overstated. It acts as our first (and often last ) line of defense against a sizable list of threats.

Feb 23, 2026

Top 7 Cloud Data Protection Best Practices

Insights in Security

Top 7 Cloud Data Protection Best Practices

Did you know that about 21% of files in the cloud contain sensitive information?

Feb 22, 2026

7 Automotive Cybersecurity Best Practices

Insights in TISAX®

7 Automotive Cybersecurity Best Practices

Research has found that in 2021 automotive-related cybersecurity vulnerabilities surged by 321% over 2020 levels. As vehicles become increasingly intelligent and interconnected, the merger of the automotive and technology industries exposes new vulnerabilities.

Feb 21, 2026

5 Best Automotive Cybersecurity Courses Worth Investing In

Insights in Security

5 Best Automotive Cybersecurity Courses Worth Investing In

Automotive cybersecurity is the practice of protecting vehicles from cyberattacks, like hacking, ransomware, or remote control.

Feb 20, 2026

ISO® 27001 vs ISO® 27002: Differences, Similarities & Benefits

Insights in ISO® 27001

ISO® 27001 vs ISO® 27002: Differences, Similarities & Benefits

Security and compliance professionals in these fields play a crucial role in protecting sensitive data and ensuring organizational integrity. To navigate this complex landscape effectively, these individuals need to understand the differences between ISO® 27001 and ISO® 27002, two key information security standards.

Dec 21, 2025

ISO® 27001 Risk Assessment: Strengthening Stakeholder Trust Through Effective Security Measures

Insights in ISO® 27001

ISO® 27001 Risk Assessment: Strengthening Stakeholder Trust Through Effective Security Measures

Risk management, the most intricate facet of ISO® 27001 implementation, is paradoxically the most crucial. It serves as the foundational step in launching your organization's information security project.

Dec 21, 2025

Step-by-Step Guide for Creating an ISO® 27001 Statement of Applicability

Insights in ISO® 27001

Step-by-Step Guide for Creating an ISO® 27001 Statement of Applicability

Cybersecurity incidents have increased by 67% from 2014-2019 , causing organizations in the US alone to suffer financial losses amounting to $27.4 million.

Dec 21, 2025

5 Quick Steps to Conducting Automotive Cybersecurity Training

Insights in TISAX®

5 Quick Steps to Conducting Automotive Cybersecurity Training

Automotive cybersecurity is becoming increasingly important as cars become increasingly connected.

Dec 21, 2025

Why You Should Invest in Data Protection Training

Industry Insights

Why You Should Invest in Data Protection Training

Safeguarding sensitive information has never been more critical for consumers.

Dec 13, 2025

Understanding NIS2: Enhancing Cybersecurity in Critical Sectors

Industry Insights

Understanding NIS2: Enhancing Cybersecurity in Critical Sectors

The revised Network and Information Systems (NIS2) Directive is a pivotal milestone.

Dec 13, 2025

Understanding Automotive Cybersecurity Standards: Driving Towards a Secure Future

Industry Insights

Understanding Automotive Cybersecurity Standards: Driving Towards a Secure Future

The automotive industry faces a challenge in ensuring the safety and security of interconnected, autonomous systems.

Dec 13, 2025

Navigating the Automotive Cybersecurity Landscape: A Guide to Compliance and Security

Insights in TISAX®

Navigating the Automotive Cybersecurity Landscape: A Guide to Compliance and Security

Navigating the Automotive Cybersecurity Landscape: A Guide to Compliance and Security

Dec 13, 2025

Mastering Information Security Principles: A Comprehensive Guide for Professionals

Insights in Security

Mastering Information Security Principles: A Comprehensive Guide for Professionals

Digital transformation has led to a massive increase in available data, making data breaches a significant issue. In 2022, more than 1,800 data breaches were recorded in the United States alone, affecting more than 422 million people. This highlights the urgent need for robust information security measures.

Dec 13, 2025

Ensuring NIS2 Compliance: A Comprehensive Guide for Professionals

Industry Insights

Ensuring NIS2 Compliance: A Comprehensive Guide for Professionals

Cybersecurity and resilience are increasingly critical in our interconnected world. The Network and Information Systems Directive 2 (NIS2) is a framework within the European Union that protects critical services and digital infrastructure.

Dec 13, 2025

ISO® 27001 vs. SOC 2: Navigating the Complex Landscape of Data Security Frameworks

Insights in ISO® 27001

ISO® 27001 vs. SOC 2: Navigating the Complex Landscape of Data Security Frameworks

ISO® 27001 and SOC 2 are two vital frameworks for securing and ensuring the compliance of modern businesses - but understanding the differences, use cases, and similarities is crucial for successful implementation.

Dec 13, 2025

Information Security vs. Cybersecurity: What’s the Difference?

Insights in Security

Information Security vs. Cybersecurity: What’s the Difference?

With the ever-evolving digital landscape, security and compliance professionals sometimes blur the lines between “information security” and “cybersecurity”. However, it’s crucial to grasp the fundamental differences between these concepts to effectively safeguard against cyber threats.

Nov 22, 2025

Mastering Security Audits: 6 Steps to Protect Your Data

Insights in Security

Mastering Security Audits: 6 Steps to Protect Your Data

From 2021 to 2022, the average cost of a data breach to affected businesses increased from $4.24 million to $4.35 million . With the frequency and severity of data breaches showing no signs of slowing, security audits are more crucial than ever.

Nov 22, 2025

Preparing for ISO® 13485 Certification Success

Industry Insights

Preparing for ISO® 13485 Certification Success

ISO® 13485 is the internationally recognized quality management system (QMS) benchmark for medical device manufacturers.

Nov 21, 2025

A Closer Look at the Role of ISO® 27001 Controls in Information Security

Insights in ISO® 27001

A Closer Look at the Role of ISO® 27001 Controls in Information Security

According to a report by IBM , the average cost of a data breach in 2023 was $4.45 million.

Nov 18, 2025

What Is TISAX® Certification? An In-Depth Guide

Insights in TISAX®

What Is TISAX® Certification? An In-Depth Guide

Security and compliance professionals are vital for protecting organizations against cyber threats and ensuring data protection. The automotive cybersecurity market is expected to double from $4.9 billion in 2020 to $9.7 billion in 2030 , with a 7% annual growth rate.

Nov 11, 2025

Your Guide to ISO® 27001 Training Selection

Insights in ISO® 27001

Your Guide to ISO® 27001 Training Selection

Modern companies are powered by data-and that data must be kept secure. When it isn’t, the impacts can be devastating to consumer trust, your business’s bottom line, and even entire industries.

Nov 11, 2025

How to Increase Your Chances of Achieving the TISAX® Certification

Insights in TISAX®

How to Increase Your Chances of Achieving the TISAX® Certification

If you work in the automotive industry, information security is a top priority. To get clients to trust you with their data, you should work towards achieving TISAX® certification. It’s a well-respected standard that lends a significant boost to your credibility.

Oct 14, 2025

How to Pass an ISO® 27001 Audit - A Comprehensive Guide

Insights in ISO® 27001

How to Pass an ISO® 27001 Audit - A Comprehensive Guide

If your company deals with information security, it’s worth looking into the ISO® 27001 audit. Not only does passing improve your credibility with other businesses, but it also helps raise the quality of your information security management system (ISMS).

Oct 14, 2025

How to Hire an ISO® 27001 Consultant for Your ISMS

Insights in ISO® 27001

How to Hire an ISO® 27001 Consultant for Your ISMS

If your information security management system (ISMS) handles a lot of sensitive data, certifications like ISO® 27001 are powerful tools for managing and protecting your data, building trust with stakeholders, and demonstrating a commitment to regulatory compliance.

Oct 14, 2025

The Ultimate Checklist for ISO® 27001 to Help You Prepare for Certification

Insights in ISO® 27001

The Ultimate Checklist for ISO® 27001 to Help You Prepare for Certification

Every Information Security Management System (ISMS) should be aiming for ISO® 27001 compliance. Not only does it build trust among clients and partners, but it also helps protect your organization from potentially costly data breaches.

Oct 12, 2025

TISAX® Assessment Costs - A Clear Breakdown

Insights in TISAX®

TISAX® Assessment Costs - A Clear Breakdown

What a TISAX® assessment really costs - the fixed ENX® and audit provider fees, the AL2 and AL3 ranges, and how to avoid a five-figure consulting bill.

Oct 11, 2025

Guide & Best Practices for Compliance with VDA® ISA

Insights in TISAX®

Guide & Best Practices for Compliance with VDA® ISA

For companies in the automotive industry, information security is a vital part of operations.

Oct 11, 2025

Best ISMS Software 2026: 10 Tools Compared

Industry Insights

Best ISMS Software 2026: 10 Tools Compared

An ISMS is a comprehensive framework that aims to establish, implement, operate, monitor, review, maintain, and continuously improve information security at an organization.

Sep 25, 2025

A Detailed Breakdown of How to Implement VDA® ISA Catalogue 6.0

Insights in TISAX®

A Detailed Breakdown of How to Implement VDA® ISA Catalogue 6.0

The digital landscape is fraught with peril as cyberattacks reach unprecedented levels of sophistication.

Jan 3, 2025

Your ISMS for ISO® 27001 and TISAX®

Valiido bundles everything you need - policies, 1-Click examples, 10+ modules, and a guided path - into a single platform with unlimited support.

Implement your ISMS yourself for a fraction of what a consulting project costs.

Pick a plan and start today.

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Christopher Eller, founder of Valiido Christopher, Founder Questions? Message me.