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 Proportion of persons aged between 16 and 74 years old installing or updating virus checking program or firewall in the first 3 months of the year (%)
Characteristic Description
Name Proportion of persons aged between 16 and 74 years old installing or updating virus checking program or firewall in the first 3 months of the year (%); Annual
Regularity Annual
Source Statistics Portugal, Survey on ICT usage in private households
First available period 2004
Last available period 2009
Dimensions
  • Data reference period
  • Place of residence (Portugal)
Concepts
  • ANTIVIRUS SOFTWARE:  Computer programme designed to detect and respond to malicious software, such as viruses and worms. Responses may include blocking user access to infected files, cleaning infected files or systems, or informing the user that an infected programme was detected.
  • RESIDENT POPULATION:  The persons who regardless of the fact that at the moment of observation ' 0:00 a.m. of the reference day ' are present or absent in a given housing unit, this unit being where they live during most of the year with their family, or where they have all or most of their belongings.
  • REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
Formule (Persons aged between 16 and 74 years old installing or updating virus checking program or firewall in the first 3 months of the year/ Resident population aged between 16 and 74 years old using Internet in the first 3 months of the year)*100
Measure unit (symbol) Percentage (%)
Power of 10  0
Observations
Last update date 05/11/2009


information presented in 18/7/2024