The gpg-agent is an important part of GnuPG that plays a similar role to the ssh-agent in OpenSSH. It has been integrated into the system as of GnuPG version 2.0.x and performs several tasks related to the management of keys and passphrases. One of the main functions of the gpg-agent is to store private key passphrases in memory for a certain period of time. This eliminates the need to re-enter … [Read more...]
Archives for December 2023
What is GNU Privacy Guard (GnuPG)
GNU Privacy Guard, abbreviated GnuPG or GPG, is a free cryptography system. It is used to encrypt and decrypt data, as well as to generate and verify electronic signatures. The program implements the OpenPGP standard and was developed as a replacement for PGP. Versions 2.0 and later also implement the S/MIME and PGP/MIME standards. By default, GnuPG uses only patent-free algorithms and is … [Read more...]
How Key Server Works
A key server provides access to public keys, which are used in asymmetric cryptosystems to send encrypted messages to a person, such as by email, or to verify their signatures. In particular, a keyserver provides a convenient, though not always cryptographically secured, way to update keys, which is necessary to check whether a key is still valid or has been revoked. Many of these servers are … [Read more...]
Customer Profile and Data Mining
A customer profile is the data image of the purchasing behavior of an individual consumer. The transactions carried out with the customer are continuously stored in a data processing system and used for customer relationship management purposes. The customer profile enables providers, for example, to address advertising individually to the consumer who, based on his or her purchasing behavior … [Read more...]
What is Content Filter
A content filter is a program that is used to filter certain unwanted content (e.g. data, images, audio files, ...) before it can pass from one network to another. That's why a content filter is usually located at the interface to the input of the network and controls the data coming into the network before it can get into the network part accessible to the users. These content filters are … [Read more...]
What is Zero Trust Security
Zero Trust Security, also known as Zero Trust Architecture (ZTA), is an information technology (IT) security concept that assumes that no user, device, or network is inherently trustworthy. Unlike traditional security approaches, which aim to treat the inside of the network as trustworthy and control access from the inside out, Zero Trust Security emphasizes continuous verification and … [Read more...]
The 4 Ps of Marketing: Inside the Marketing Mix
The marketing mix is used to translate marketing strategies or marketing plans into concrete actions. The four classic instruments of the marketing mix are the so-called "four P's" (4P) – for Product, Price, Place, Promotion and "four C's" – for Commodity, Cost, Communication, Channel in the 7Cs Compass Model. Some authors add other "Ps" such as People/Personal, Processes or Physical Facilities to … [Read more...]
Information Technology Networking in Society
The concept of networking in the general sense is synonymous with the process of docking to a network, the process of integrating oneself into a network, or the process of establishing new relationships with a network. In the context of information technology or telecommunications, the provision, activation and use of news channels in a network by actors who have come together to communicate … [Read more...]
Design Principles of Lean Production Systems
Lean production originally referred to the systematized production organization which was similar to the one used in the USA and Europe, which they called buffered production. In the possibility of faster reactions to market changes, whereby the task of adapting and rationalizing production is decentralized and shifted further down the hierarchy with the help of standardized methods. For the … [Read more...]
What Does a Systems Integrator Do?
The term system integrator is used for job profiles in information technology (IT), systems engineering and industrial automation technology. System integrators are companies in the IT industry that sell, adapt, expand and integrate software and hardware products from other manufacturers into their customers' IT landscapes. Customers include medium-sized and larger companies, such as banks, … [Read more...]
What is a Data Breach
A data breach or leak is an incident in which unauthorized persons gain access to a data collection. If the term is interpreted broadly, it also includes the unwanted deletion of data (data loss). Data breaches are breaches of data security and data protection in which state secrets, trade secrets or personal data have presumably or demonstrably become known to unauthorized persons. It does not … [Read more...]