Precicom / Techno Blog / ZTNA
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6 minute(s)
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2 April 2025
In a world where cyberattacks are costly and increasingly sophisticated, granting unlimited access to the network is no longer an option. The Zero Trust Network Access (ZTNA) model is built on a simple principle: never trust by default.
ZTNA is the new guardian of cloud infrastructures and remote work. Rooted in a “never trust, always verify” approach, it limits access based on multiple validation criteria:
This model reduces the attack surface by granting access only to what’s necessary—denying potentially compromised devices by default.
With the rise of remote work, the explosion of connected devices, and the migration of applications to the cloud, traditional security tools are no longer enough.
Perimeter-based security models weren’t built for remote access, cloud environments, or device mobility.
The benefits of cloud infrastructure and digital transformation have made it clear: organizations need to adopt a Zero Trust approach to secure access to sensitive resources.
By directly addressing the flaws of traditional systems, the Zero Trust model is transforming both organizational and cloud-based security.
Solution: ZTNA limits access to only the necessary applications using granular access controls, preventing lateral movement within the network.
Solution: ZTNA evaluates each connection based on the device’s security posture and can deny access if vulnerabilities are detected.
Problem: VPNs grant access solely based on valid credentials, without additional layers of protection against stolen identities.
Solution: ZTNA strengthens access rights through multi-factor authentication (MFA) and contextual verification such as location, time, or unusual behavior.
Problem: VPNs and firewalls often leave open ports exposed to the internet, making them vulnerable to brute-force attacks, DDoS, and other intrusions.
Solution: ZTNA hides resources behind a secure gateway, making them invisible to attackers.
Problem: VPNs offer limited visibility into user activity, making it difficult to detect anomalies or respond to incidents.
Solution: ZTNA continuously monitors connections, enabling proactive threat detection and fast remediation in case of suspicious behavior.
Traditional VPNs and firewalls fall short against today’s threat landscape by relying on implicit trust.
Beyond cybersecurity, ZTNA enhances overall organizational performance. It supports agility and growth by simplifying management across several dimensions.
Freeing Up IT Resources for Innovation
By reducing operational workload, ZTNA allows internal IT teams to focus on strategic initiatives that drive value and innovation.
Simplifying Compliance and Risk Management
ZTNA improves traceability and enforces dynamic security policies, helping organizations meet compliance requirements and reduce the risk of data breaches.
Increasing Agility and Collaboration
By enabling secure access for employees, partners, and vendors—without overburdening IT infrastructure—ZTNA promotes seamless collaboration and operational continuity.
Zero Trust as a Performance Driver, ZTNA reduces risk, boosts efficiency, and accelerates digital transformation.
*Source: Zscaler
While experts agree on the value and effectiveness of the Zero Trust model, they also know that success depends on certified expertise—in strategic planning, seamless integration, and proper user training.
With a full range of solutions, ISO 27001 certification, and trusted teams and partners, we’ve been providing strategic support for the digital management of public and private organizations for over 25 years.
Our solutions are delivered in partnership with the industry’s top providers. The organizations that trust us know they’re working with certified IT specialists who understand their needs. They can count on a strategic technology partner, allowing them to focus on what matters most—their core business.
We combine our business acumen, expertise, and knowledge to optimize, secure, and expand digital environments. We push the limits of technology to exceed expectations.
We are Precicom.