This post is an introduction to databases. Database Properties Database properties featured on this post: ACID Database Transaction Properties ACID (atomicity, consistency, isolation, durability) is a set of desired properties regarding database transactions. ACID at Wikipedia CRUD Persistent Storage Operations…
A distributed system is a system that is distributed among different locations Distributed Computing Environment (DCE) Distributed Architectures Distributed architectures featured on this post: Cloud computing You can read this post about cloud computing. Microservices You can read this post…
This post is an introduction to computer networks. Computer Network Devices Computer network devices includes switch, routers or firewalls. You can read this post about computer network devices. Area Networks Examples of area networks are WAN or LAN. You can…
This post explains some specific aspects of security related to free and open source software (FOSS). FOSS Security Risks There are some risks that are should be taken especially into account on FOSS projects. Lack of Maintenance Community-driven FOSS is…
This post is an index for the main topics related to information technology (IT) offered on this blog. Technical Fields of Information Technology Fields of information technology featured on this blog: Computer Hardware Computer hardware include the physical parts of…
Information security governance is a part of governance, risk and compliance (GRC). Information Security should take into account the organization objectives and identified risks to define information security objectives. To achieve these goals, the IS strategy must be defined. Information…
When assessing IT security of the providers of an organization, we may find ourselves in bothersome tasks like having to create custom questionnaires and review the answers sent by them. Some providers offer cybersecurity risk questionnaires. This is a non-exhaustive…
Secrets management is a practice that allows developers to securely store sensitive data such as passwords, keys, and tokens, in a secure environment with strict access controls. A common person connected to the internet must use a few dozen of…
This post summarizes ideas about microservices, that is a type of distributed system. This post is part of a series of articles about distributed systems. Description of Microservices IT microservices is a service-oriented architecture (SOA) where the application is splitted…
A software-defined network (SDN) is an approach to network management that enables dynamic and programmatically network configuration. This is a contrast with traditional networks, where the network is defined by using hardware components. An SDN looks like a single logical…