Time synchronization: trust in logs, access, and operations
The correct time is a barely visible technical dependency. Learn how to govern NTP, time sources, and validation to improve investigation, security, and operations.
Luís Carvalho
IT Systems Specialist @ Overwan
IT Systems Specialist at Overwan, responsible for the design, implementation and evolution of complex technology infrastructures. Works on modernisation, cloud, virtualisation and business continuity projects, ensuring high levels of performance, security and availability across clients' critical systems.
Articles by Luís Carvalho
Cryptographic Key Management in Hybrid Cloud
Encryption only protects when keys are well-governed. Learn how to structure responsibilities, rotation, custody, and auditing in hybrid cloud.
Digital certificate management: avoiding failures
Expired or mismanaged certificates can cause unavailability, trust breaches, and operational incidents. Learn how to govern their lifecycle.
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.
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.
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.
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.
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.
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.