Digital certificate management: avoiding failures
Expired or mismanaged certificates can cause unavailability, trust breaches, and operational incidents. Learn how to govern their lifecycle.
Blog
Practical guides and strong opinions on IT, cloud, cybersecurity, networks and nearshoring in Portugal. Content written by Overwan's certified engineers.
Resilient DNS: protecting critical services from invisible failures
DNS remains a critical dependency for applications, cloud, email and security. Learn how to govern, protect and test this layer.
CMDB: managing dependencies before the incident
A CMDB only creates value when it reflects actual services, dependencies, and responsibilities. Learn how to make it useful for operations, risk, and continuity.
ITDR: detecting identity risks before an incident
ITDR helps organisations treat identity as a critical attack surface by combining visibility, detection and response across hybrid environments.
Cloud Exit Strategy: Preparing Reversibility Without Alarmism
Reversibility should be planned before operational dependence. Learn how to prepare a cloud exit strategy without hindering innovation.
AI Agents and Non-Human Identities: Governance Challenges
AI agents are beginning to execute tasks with limited autonomy. The critical question is how to control identity, permissions, and oversight without hindering innovation.
Confidential computing in hybrid cloud: where it fits
A practical view of confidential computing in hybrid cloud, focusing on data in use, trust, governance and technical limits.
Green IT and Quantum Computing: preparing sustainable infrastructures for the future
Quantum computing could transform technology in the coming decades. Discover how to prepare sustainable infrastructures to keep up with this evolution.
Green IT and Circular Economy: extending the technology lifecycle
The circular economy is transforming how organizations manage their technological assets. Discover how to reduce waste, extend equipment lifecycles, and make IT more sustainable.
Green IT and compliance: integrating sustainability into IT strategy
IT sustainability goes beyond energy efficiency. Discover how to integrate Green IT into your technology strategy and meet the growing demands for governance and compliance.
Quantum Computing and Cybersecurity: how to prepare your organization for the next generation of risks
Quantum computing could profoundly alter how we protect information. Discover why it's important to start preparing your organization for this new paradigm today.
How to optimize Generative AI infrastructures with AIOps
Generative AI demands increasingly complex infrastructures. Discover how AIOps helps optimize resources, control costs, and ensure performance in high-demand environments.
AIOps and NIS2: enhancing operational resilience through automation
AIOps helps organizations strengthen monitoring, accelerate incident response, and support compliance with the operational requirements of the NIS2 Directive.
Managing Generative AI Supply Chain Risks in the Enterprise
Generative AI creates new opportunities but also new risks related to data, models, infrastructure, and compliance. Learn about key strategies for safe and responsible adoption.
How Artificial Intelligence is transforming Supply Chain risk management
Artificial Intelligence is transforming supply chain management, enabling the anticipation of risks and supporting faster, more informed decisions. Discover the main applications and challenges.
Cybersecurity in Multicloud Environments: strategies to reduce risks
Security in multicloud environments demands an integrated approach based on visibility, identity management, Zero Trust, and automation. Learn about the main strategies to reduce risks.
Sustainable Datacenters: Strategies for Increasing Energy Efficiency
The energy efficiency of datacenters has become a strategic factor for reducing costs, increasing sustainability, and preparing infrastructure for the challenges of digital transformation.
Data Management in Multicloud Environments: Challenges and Strategies for Sovereignty and Scalability
Multicloud adoption offers flexibility and resilience but introduces significant complexities in data management, particularly concerning sovereignty and scalability. This article explores the inherent challenges and pragmatic strategies for CIOs and CTOs to navigate this landscape successfully.
Navigating Complexity: Risk Management in the Digital Supply Chain
The digitalization of the supply chain introduces unprecedented efficiencies but also exposes organizations to new and complex categories of risk. This article explores proactive strategies for mitigating threats in the interconnected value chain.
Private 5G and Wi-Fi 7: when does each technology make sense?
Private 5G and Wi-Fi 7 address different needs. Learn about the scenarios where each technology offers greater advantages in terms of mobility, performance, and operation.
The modern 3-2-1-1-0 backup rule
The 3-2-1-1-0 rule enhances traditional backup strategies with immutability and recovery validation. Learn best practices to protect data against ransomware.
Cloud Migration Checklist: What Nobody Tells You
Assessment of dependencies, identity management, cost control, and governance. Learn about the most common mistakes and best practices for a successful migration to Azure or AWS.
How Observability and AIOps help accelerate incident response
The correlation of metrics, logs, and traces enables faster problem identification. Discover how Observability and AIOps can improve operational efficiency.
Managed SOC/NOC for SMEs: an alternative to 24/7 in-house operations
Continuous monitoring requires specialized skills, defined processes and operational capacity. Discover how a managed model can help strengthen the security and operations of SMEs.
IT Outsourcing vs. In-house Team: What's the Real Cost?
Visible and invisible costs, operational risks, and resource management. Discover when it makes sense to opt for an in-house team or an outsourcing model.
NIS2: practical checklist to achieve compliance in 90 days
Asset inventory, risk management, incident response, and governance. Understand the main NIS2 requirements and the necessary steps to strengthen your organization's compliance.
SD-WAN and SASE: a modern alternative to MPLS
SD-WAN and SASE are transforming enterprise networks, combining intelligent connectivity, secure access, and improved integration with cloud applications.
Wi-Fi 6 vs. Wi-Fi 7: Is the new generation worth the investment?
Wi-Fi 7 promises greater capacity, lower latency, and new features. Discover when an upgrade makes sense and when Wi-Fi 6 remains the most balanced option.
Edge Computing: when it makes sense to bring data processing closer
Edge Computing allows for reduced latency, increased resilience, and brings data processing closer to operations. Discover the scenarios where this architecture makes the most sense.
Sovereign Cloud in Europe: a response to new regulatory requirements
DORA, NIS2 and digital sovereignty requirements are transforming how organizations manage their data. Discover the principles of a sovereign cloud strategy.
5 essential cybersecurity measures for SMEs
MFA, endpoint protection, immutable backups, patch management, and user awareness. Five essential measures to strengthen the security of any SME.
Post-Quantum: What to do today (without panicking)
The new NIST post-quantum standards are now defined. Learn about the steps organizations can start preparing today for a secure and gradual transition.
Portugal: one of the most attractive nearshoring destinations in 2026
Skilled talent, alignment with the European time zone, competitive costs, and economic stability. Discover the factors that make Portugal an attractive nearshoring destination.
Zero Trust in Practice: How to Replace Traditional VPNs
The Zero Trust model reduces unnecessary network exposure and strengthens access control. Discover how a ZTNA approach can gradually and securely replace traditional VPNs.
Green IT and CSRD: measure before reporting
CSRD requires consistent, verifiable, and auditable sustainability information. Learn about the indicators and processes that help build more credible reporting.