IT Security Blog

Why NAC is outdated technology Feature Image

03/03/2026 -

Linus Espach

Why NAC is outdated technology

NAC (Network Access Control) is expensive, complex and usually softened in dozens of places. For us at Rheintec, NAC is outdated technology that most companies no longer need, especially in the context of Zero Trust with SSE. History of NAC In - let's call them - "classic" network...

Using Jumpcloud as an IdP and MDM with M365 and Google Workspace Feature Image

18/02/2026 -

Linus Espach

Using Jumpcloud as an IdP and MDM with M365 and Google Workspace

SMEs need one thing above all: simple, secure and cost-effective architecture approaches so that IT becomes an enabler rather than a spoiler. At Rheintec, we deliver exactly that with architecture concepts that are unmatched in the market, with the goal of helping our customers lead the...

Zscaler Internet Access Service Status Monitoring With JumpCloud Feature Image

16/02/2026 -

Ozan Ogur

Zscaler Internet Access Service Status Monitoring With JumpCloud

This blog page focuses on Zscaler Internet Access(ZIA) service monitoring on the Client device and how to create alerting mechanism to inform Internal Security teams when the ZIA service disabled. The purpose behind this alerting to make sure to have visibility on the endpoint device and help to...

SASE with Zscaler, Ubiquiti, and Hetzner for SMEs Feature Image

16/02/2026 -

Linus Espach

SASE with Zscaler, Ubiquiti, and Hetzner for SMEs

SMEs need one thing above all: simple, secure and cost-effective architecture approaches so that IT and security become enablers rather than spoilsports. At Rheintec, we deliver exactly that with architecture concepts that are unparalleled on the market, with the aim of helping our customers...

15/01/2026 -

Linus Espach

UniFi Site Manager 5.0.0: Zero-Touch Provisioning for SD-WAN Gateways – Scale Faster, Standardize Cleanly

Companies that operate multiple sites (or are growing rapidly) know the pattern: The actual bottleneck is rarely the hardware - it is time, processes and the susceptibility to errors during rollout. This is exactly where UniFi Site Manager 5.0.0 comes in: With the new "UniFi Fabrics"...

06/12/2025 -

Linus Espach

UniFi 5G Max

The UniFi 5G Max is the long-awaited 5G extender/router. Ubiquiti is positioning it as a powerful 5G modem for any UniFi installation, which is plugged into any UniFi switch via PoE and automatically registers as an additional WAN line in the network application. This closes a gap: locations...

06/12/2025 -

Linus Espach

UniFi Network Application 10.1.X

With version 10.1.X, UniFi is focusing even more strongly on the topic of reliability. In addition to many detailed improvements, the update brings a new high-availability page, finer control over VPNs, better logs and convenience features for Wi-Fi and hotspot operation. It will be...

06/12/2025 -

Linus Espach

UniFi Network Application 10.0.156 – New Version with great improvements

Version 10.0.123 of the UniFi Network Application primarily delivers consolidating changes with a clear focus: more automation, better usability, cleaner interfaces. For enterprise environments, this is more relevant than big show features because it strengthens standards, processes and...

BIMI: Additional Email-Trust Trust for B2C Companies Feature Image

24/11/2025 -

Linus Espach

BIMI: Additional Email-Trust Trust for B2C Companies

BIMI is still a little-known standard, although it has existed since 2019 and offers great added value for companies in the B2C sector.

SSE: BYOD for SaaS with Identitiy Proxy Feature Image

28/10/2025 -

Linus Espach

SSE: BYOD for SaaS with Identitiy Proxy

With identity proxies, companies can implement the use case "secure SaaS access from BYOD devices". This means that instead of simply "bluntly blocking" access to SaaS applications using IdP functions such as Microsoft's Conditional Access if the user is coming from an unmanaged device, the...

SINEC: Siemens new Zero Trust Solution Feature Image

14/10/2025 -

Linus Espach

SINEC: Siemens new Zero Trust Solution

Siemens secretly presented a hot product at it-sa: a zero-trust network access solution for OT infrastructures.

Microsoft Teams Call Quality Monitoring with Zscaler ZDX Feature Image

20/05/2025 -

Manuela Kesten

Microsoft Teams Call Quality Monitoring with Zscaler ZDX

Why Call Quality Monitoring Matters for Microsoft Teams By 2030, over 75% of organizations will rely on UCaaS platforms for their calling, meeting, and messaging needs (source: Metrigy). As Microsoft Teams becomes the backbone of workplace communication, ensuring high-quality voice and video...

15/05/2025 -

Joshua Rudolf von Rohr

Regulations Are Changing Faster Than Our Compliance Strategy

How C-Level Leaders Can Stop Chasing and Start Shaping Their Compliance Posture

15/05/2025 -

Joshua Rudolf von Rohr

When Your Security Team Can’t Keep Up – What’s Your Plan B

Executives must prepare for ops fatigue — long before burnout breaks the system. Author: Rudolf von RohrEstimated read time: 4 minutes

15/05/2025 -

Joshua Rudolf von Rohr

How to Regain Control of Your Security Stack Before Vendors Own Your Roadmap

Avoid vendor sprawl and make strategic, future-proof decisions in a fast-moving market. Author: Rudolf von RohrEstimated read time: 5 minutes

14/05/2025 -

Joshua Rudolf von Rohr

We’re Spending Millions to Protect a Perimeter That No Longer Exists

Why legacy network models fail in cloud-first and hybrid work environments — and what to do about it. Author: Rudolf von RohrEstimated read time: 4 minutes

14/05/2025 -

Joshua Rudolf von Rohr

IT OPEX Is Climbing – But We’re Not Getting Faster or Safer

Why traditional scaling models are broken — and what lean security means today. Author: Rudolf von RohrEstimated read time: 4 minutes

14/05/2025 -

Joshua Rudolf von Rohr

Why best-in-class tools don't equal best-in-class security — and what to do about it.

Author: Rudolf von RohrEstimated read time: 4 minutes

14/05/2025 -

Joshua Rudolf von Rohr

Why Our Cybersecurity Budget Keeps Growing – But Risk Doesn’t Shrink

The disconnect between spend and outcomes — and what to do about it. Author: Rudolf von RohrEstimated read time: 4 minutes

CrowdStrike Cloud Security – Solving Key Challenges Feature Image

06/05/2025 -

Mario Geckler

CrowdStrike Cloud Security – Solving Key Challenges

Introduction Cloud computing has become the operational backbone of modern business. Every new workload, API and identity migrated to the cloud accelerates innovation—yet each one also widens the attack surface. CrowdStrike Cloud Security delivers an end-to-end approach that merges complete...

The Advantage of Check Point Application Based Routing With a GRE Tunnel To Zscaler ZIA Feature Image

15/04/2025 -

Paul Jakob

The Advantage of Check Point Application Based Routing With a GRE Tunnel To Zscaler ZIA

Discover the benefits of Check Point's Application Based Routing over traditional Policy Based Routing, especially when leveraging ZScaler ZIA GRE tunnels.

Save Costs with Zscaler Remote Browser Access Instead of VDI Feature Image

28/03/2025 -

Linus Espach

Save Costs with Zscaler Remote Browser Access Instead of VDI

Discover how Zscaler Zero Trust solutions can significantly reduce costs and complexity compared to traditional VDI infrastructure and why we think VDIs are strategically dead.

Optimize IT Spending with Infrastructure Benchmarking | Rheintec Feature Image

28/03/2025 -

Linus Espach

Optimize IT Spending with Infrastructure Benchmarking | Rheintec

In times of economic uncertainty, IT security benchmarking is becoming increasingly important for companies. In the face of the looming recession in Europe, businesses must maximize the efficiency of their IT infrastructure without compromising on security or productivity.

The Benefits of Zscaler Browser Isolation for Businesses Feature Image

27/03/2025 -

Noah Meier

The Benefits of Zscaler Browser Isolation for Businesses

Discover how Zscaler Browser Isolation can improve your business's security.

VPN vs. ZTNA - What are the differences? Feature Image

21/03/2025 -

Thomas Abegglen

VPN vs. ZTNA - What are the differences?

VPNs (Virtual Private Networks) and ZTNA (Zero Trust Network Access) are two key technologies often compared against each other. While VPNs have long been the standard for secure remote access, ZTNA is increasingly gaining traction. In this article, we explore how both approaches function, their...

Maximizing ROI: Why Investing in Zero Trust Network Access (ZTNA) is Critical for Business Security Feature Image

10/03/2025 -

Fadi Haddad

Maximizing ROI: Why Investing in Zero Trust Network Access (ZTNA) is Critical for Business Security

The Rising Cost of Cyber Threats In today’s digital landscape, cyber threats are more sophisticated than ever, and businesses—especially SMEs—are prime targets. Data breaches, ransomware attacks, and phishing scams can lead to severe financial losses, operational downtime, and reputational...

Understanding SPF Record And Email Authentication And Security Feature Image

07/03/2025 -

Fawaz Al Ahmad

Understanding SPF Record And Email Authentication And Security

In a time where email security is a must, understanding SPF (Sender Policy Framework) is crucial for protecting your domain from spoofing and phishing attacks.

5 Key Guidelines to Secure Your Small Business Feature Image

28/02/2025 -

Ferdinand Schreiber

5 Key Guidelines to Secure Your Small Business

Cybersecurity doesn’t have to be a daunting challenge for small business owners. By following these five simple steps, you’ll gain a basic understanding of how to protect your business. While these tips can’t guarantee complete protection from all cyberattacks, they’ll help you be more secure than...

Threat prevention comparisment Feature Image

21/02/2025 -

Torsten Beer

Threat prevention comparisment

In today’s rapidly evolving threat landscape, CISOs and IT security leaders face an unprecedented volume of cyberattacks targeting operations, data integrity, and compliance mandates. As enterprises accelerate cloud adoption and hybrid workforces, the ability to proactively detect, mitigate, and...

Why We Chose Wiz as the CNAPP Solution for Our Customers Feature Image

21/02/2025 -

Alexander Thies

Why We Chose Wiz as the CNAPP Solution for Our Customers

Discover why Wiz stands out as the top CNAPP solution for comprehensive cloud security, offering unmatched visibility, ease of management, and intelligent threat detection.

Keeper PAM: Prevent Cyberattacks & Data Breaches | Rheintec Feature Image

21/02/2025 -

Linus Espach

Keeper PAM: Prevent Cyberattacks & Data Breaches | Rheintec

In today's digital landscape, cyberattacks and data breaches are increasingly common. Businesses need robust security solutions to protect privileged accounts and sensitive data. Keeper PAM and Keeper Connection Manager offer comprehensive protection to keep your organization safe.

Integrate Check Point Logs into your SIEM Feature Image

21/02/2025 -

Robert Kuhlmann

Integrate Check Point Logs into your SIEM

Elevate your cybersecurity with Check Point Software Blades and SIEM integration, achieving unparalleled threat visibility and automated responses.

Strengthening Email Security in a Threat-Filled World Feature Image

21/02/2025 -

Fawaz Al Ahmad

Strengthening Email Security in a Threat-Filled World

In today's cyber threat landscape, securing email communication is a top priority for organizations. Discover how advanced email security measures can protect your business from devastating cyberattacks.

Feedback as a Key to Growth Feature Image

21/02/2025 -

Teresa Hipp

Feedback as a Key to Growth

Lena sits in her office, wondering how to tell her colleague Tom that his last presentation wasn’t optimal. She knows feedback is important – but how can she deliver it without demotivating him? We’ve all been in similar situations: feedback is everywhere, yet it often feels uncomfortable – whether...

20/02/2025 -

Joshua Rudolf von Rohr

A Culture Question

Breaking the fear of mistakes in IT Security: Embracing a new Culture, the Just Culture. The IT security industry struggles with a fear-driven culture, where professionals hesitate to report incidents due to blame, job loss, or legal consequences. This creates blind spots, reduces innovation, and...

Dynamic Access Management in Public Clouds with Check Point Feature Image

20/02/2025 -

Leonardo Labanca

Dynamic Access Management in Public Clouds with Check Point

Find out how dynamic tag-based access management with Check Point can improve your cloud security while ensuring efficiency, scalability and robust firewalling.

DORA Act: Key Points and Implications for the financial sector Feature Image

20/02/2025 -

Thomas Abegglen

DORA Act: Key Points and Implications for the financial sector

Understanding the DORA Act: A transformative regulation enhancing digital resilience across the financial sector.

The Importance of Implementing a proper DMARC Policy Feature Image

20/02/2025 -

Kim Thomas Wang

The Importance of Implementing a proper DMARC Policy

Ensuring your emails reach the inbox and not the spam folder is crucial for business success. Learn why implementing a proper DMARC policy is essential.

Effective AI Risk Management Strategies for Businesses Feature Image

20/02/2025 -

Viktorija Tarasova

Effective AI Risk Management Strategies for Businesses

Unlock the potential of AI while safeguarding your business with these essential risk management strategies

20/02/2025 -

Ozan Ogur

Zscaler SSE vs Microsoft Global Secure Access

As Microsoft steps into the SSE market, the question arises: "How Zscaler's and Microsoft's solution differ from each other?" In this blog, we are going to compare Zscaler SSE against Microsoft's Global Secure Access to highlights their key features, strengths, and limitations.

SD-WAN vs SASE: Which is Right for Your Business? Feature Image

20/02/2025 -

Christopher Zender

SD-WAN vs SASE: Which is Right for Your Business?

In the ever-evolving landscape of network security and connectivity, choosing between SD-WAN and SASE can be a game-changer for your business.

20/02/2025 -

Linus Espach

Securing Email Communications with Mimecast's Advanced Tools

Discover how Mimecast's advanced tools provide a robust shield for your email communications, ensuring the highest level of security and compliance in today's digital landscape.

19/02/2025 -

Thomas Abegglen

How To Establish An Information Security Management System According To ISO27001:2022: Quick Guide and Overview to ISO27001 Compliance

Building a robust Information Security Management System (ISMS) according to ISO27001:2022 is a critical step for businesses aiming to secure their data and meet compliance standards. Furthermore, ISO27001 Certification may act as an enabler to attract further business opportunities.

19/02/2025 -

Thomas Abegglen

Cybersecurity Best Practices for NIS 2 Compliance

Stay ahead of evolving cybersecurity threats by understanding and implementing the NIS 2 Directive's comprehensive requirements.

19/02/2025 -

Ozan Ogur

Enhancing Zero Trust Network Access with Zscaler and CrowdStrike

In this blog post, we’ll explain how CrowdStrike and Zscaler work together to enhance security dynamically when accessing your most critical applications.

17/02/2025 -

Linus Espach

Overcoming Current DORA Challenges in IT Infrastructure

Navigating the complexities of DORA compliance is crucial for financial institutions aiming to maintain resilience and security in an increasingly digital world. Discover how leveraging advanced IT infrastructure solutions like SASE, RBAC, and XDR can help overcome these challenges effectively.

Why Managed Services Are Crucial for an SMB`s IT Resilience Feature Image

16/02/2025 -

Linus Espach

Why Managed Services Are Crucial for an SMB`s IT Resilience

Ensuring IT resilience is critical for SMBs in today's digital landscape. Discover why managed services offer a robust, cost-effective solution for enhancing productivity and security.

16/02/2025 -

Linus Espach

Cloud Network Management: Ubiquiti's Edge in the Enterprise Market

Ubiquiti's seamless transition from home networking to enterprise solutions sets a new standard in cloud network management and multivendor SASE in combination with Zscaler.

Cloud Data Protection with Zscaler and Rubrik Feature Image

15/02/2025 -

Linus Espach

Cloud Data Protection with Zscaler and Rubrik

Discover how financial institutions can leverage Zscaler and Rubrik to fortify their cloud data protection strategies against modern cyber threats.

15/02/2025 -

Linus Espach

SASE: The Future of Cost-Effective Cybersecurity Architecture

Discover how SASE architecture can revolutionize cybersecurity by offering a cost-effective, scalable, and secure solution for modern digital businesses.

20/02/2025 -

Leonardo Labanca

Dynamic Access Management in Public Clouds with Check Point

Find out how dynamic tag-based access management with Check Point can improve your cloud security while ensuring efficiency, scalability and robust firewalling.

06/05/2025 -

Mario Geckler

CrowdStrike Cloud Security – Solving Key Challenges

20/02/2025 -

Leonardo Labanca

Dynamic Access Management in Public Clouds with Check Point

Find out how dynamic tag-based access management with Check Point can improve your cloud security while ensuring efficiency, scalability and robust firewalling.

16/02/2025 -

Linus Espach

Cloud Network Management: Ubiquiti's Edge in the Enterprise Market

Ubiquiti's seamless transition from home networking to enterprise solutions sets a new standard in cloud network management and multivendor SASE in combination with Zscaler.

15/02/2025 -

Linus Espach

Cloud Data Protection with Zscaler and Rubrik

Discover how financial institutions can leverage Zscaler and Rubrik to fortify their cloud data protection strategies against modern cyber threats.

07/03/2025 -

Fawaz Al Ahmad

Understanding SPF Record And Email Authentication And Security

In a time where email security is a must, understanding SPF (Sender Policy Framework) is crucial for protecting your domain from spoofing and phishing attacks.

21/02/2025 -

Fawaz Al Ahmad

Strengthening Email Security in a Threat-Filled World

15/02/2025 -

Linus Espach

Cloud Data Protection with Zscaler and Rubrik

Discover how financial institutions can leverage Zscaler and Rubrik to fortify their cloud data protection strategies against modern cyber threats.

24/11/2025 -

Linus Espach

BIMI: Additional Email-Trust Trust for B2C Companies

BIMI is still a little-known standard, although it has existed since 2019 and offers great added value for companies in the B2C sector.

07/03/2025 -

Fawaz Al Ahmad

Understanding SPF Record And Email Authentication And Security

In a time where email security is a must, understanding SPF (Sender Policy Framework) is crucial for protecting your domain from spoofing and phishing attacks.

21/02/2025 -

Fawaz Al Ahmad

Strengthening Email Security in a Threat-Filled World

20/02/2025 -

Linus Espach

Securing Email Communications with Mimecast's Advanced Tools

Discover how Mimecast's advanced tools provide a robust shield for your email communications, ensuring the highest level of security and compliance in today's digital landscape.

03/03/2026 -

Linus Espach

Why NAC is outdated technology

16/02/2026 -

Ozan Ogur

Zscaler Internet Access Service Status Monitoring With JumpCloud

16/02/2026 -

Linus Espach

SASE with Zscaler, Ubiquiti, and Hetzner for SMEs

28/10/2025 -

Linus Espach

SSE: BYOD for SaaS with Identitiy Proxy

20/05/2025 -

Manuela Kesten

Microsoft Teams Call Quality Monitoring with Zscaler ZDX

15/05/2025 -

Joshua Rudolf von Rohr

Regulations Are Changing Faster Than Our Compliance Strategy

How C-Level Leaders Can Stop Chasing and Start Shaping Their Compliance Posture

15/05/2025 -

Joshua Rudolf von Rohr

When Your Security Team Can’t Keep Up – What’s Your Plan B

Executives must prepare for ops fatigue — long before burnout breaks the system. Author: Rudolf von RohrEstimated read time: 4 minutes

15/05/2025 -

Joshua Rudolf von Rohr

How to Regain Control of Your Security Stack Before Vendors Own Your Roadmap

Avoid vendor sprawl and make strategic, future-proof decisions in a fast-moving market. Author: Rudolf von RohrEstimated read time: 5 minutes

14/05/2025 -

Joshua Rudolf von Rohr

We’re Spending Millions to Protect a Perimeter That No Longer Exists

Why legacy network models fail in cloud-first and hybrid work environments — and what to do about it. Author: Rudolf von RohrEstimated read time: 4 minutes

14/05/2025 -

Joshua Rudolf von Rohr

IT OPEX Is Climbing – But We’re Not Getting Faster or Safer

Why traditional scaling models are broken — and what lean security means today. Author: Rudolf von RohrEstimated read time: 4 minutes

15/04/2025 -

Paul Jakob

The Advantage of Check Point Application Based Routing With a GRE Tunnel To Zscaler ZIA

Discover the benefits of Check Point's Application Based Routing over traditional Policy Based Routing, especially when leveraging ZScaler ZIA GRE tunnels.

21/02/2025 -

Torsten Beer

IT Security Articles

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