The 1×1 of IT & Aerospace - our glossary

Computer viruses are programs that spread through the system or the network. In order to do this, they need a 'host' that introduces them into a system before they infect other programs. Colloquially, they are often confused with 'worms' or 'Trojans'.

The terms 'web page' and 'website' are often mistakenly used interchangeably. Where the 'website' describes the entirety of an Internet presence, the 'web page' refers to a single document that can be accessed using a unique URL (Uniform Resource Locator)....

In Germany, the tasks and activities of an internal or external data protection officer are governed by Sections 4f and 4g of the Federal Data Protection Act (BDSG). There are also regulations under state law. The data protection officer is responsible for ensuring compliance with the BDSG and other...

Everyone is familiar with the phenomenon that led to 'blacklisting': the myriad of annoying spam emails that clog up your inbox in the morning. To ward off this unwanted garbage, DNS-based Blackhole Lists (DNSBL) were created, which identify addresses used in real time with...

Another term for WLAN (Wireless Local Area Network) is also 'WiFi'. In both cases, it is a method of wireless data transmission in a local area. The range of a WLAN depends on the radiation power and the type of environment....