Socio-economic characteristics	Reasons not to update it	Total
Total Persons	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	1,772,048
Total Persons	There is not need to update them, as they believe the risk is too low	8.1
Total Persons	They do not know how to update them	42.2
Total Persons	They do not believe the update is effective	2.2
Total Persons	It is to expensive	4.8
Total Persons	Other reasons	55.5
Studies completed: Illiterate	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	0
Studies completed: Illiterate	There is not need to update them, as they believe the risk is too low	..
Studies completed: Illiterate	They do not know how to update them	..
Studies completed: Illiterate	They do not believe the update is effective	..
Studies completed: Illiterate	It is to expensive	..
Studies completed: Illiterate	Other reasons	..
Studies completed: Primary Education	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	149,891
Studies completed: Primary Education	There is not need to update them, as they believe the risk is too low	3.5
Studies completed: Primary Education	They do not know how to update them	42.7
Studies completed: Primary Education	They do not believe the update is effective	1.7
Studies completed: Primary Education	It is to expensive	0.8
Studies completed: Primary Education	Other reasons	56.4
Studies completed: First stage Secondary Education	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	451,481
Studies completed: First stage Secondary Education	There is not need to update them, as they believe the risk is too low	5.2
Studies completed: First stage Secondary Education	They do not know how to update them	52.0
Studies completed: First stage Secondary Education	They do not believe the update is effective	0.2
Studies completed: First stage Secondary Education	It is to expensive	1.5
Studies completed: First stage Secondary Education	Other reasons	56.2
Studies completed: Second stage Secondary Education	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	537,189
Studies completed: Second stage Secondary Education	There is not need to update them, as they believe the risk is too low	8.6
Studies completed: Second stage Secondary Education	They do not know how to update them	40.0
Studies completed: Second stage Secondary Education	They do not believe the update is effective	2.3
Studies completed: Second stage Secondary Education	It is to expensive	6.9
Studies completed: Second stage Secondary Education	Other reasons	56.4
Studies completed: Advanced Vocational Education	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	216,650
Studies completed: Advanced Vocational Education	There is not need to update them, as they believe the risk is too low	12.7
Studies completed: Advanced Vocational Education	They do not know how to update them	39.7
Studies completed: Advanced Vocational Education	They do not believe the update is effective	1.5
Studies completed: Advanced Vocational Education	It is to expensive	8.9
Studies completed: Advanced Vocational Education	Other reasons	51.9
Studies completed: Higher Education	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	416,838
Studies completed: Higher Education	There is not need to update them, as they believe the risk is too low	10.0
Studies completed: Higher Education	They do not know how to update them	35.5
Studies completed: Higher Education	They do not believe the update is effective	4.8
Studies completed: Higher Education	It is to expensive	4.9
Studies completed: Higher Education	Other reasons	55.2
Studies completed: Other	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	0
Studies completed: Other	There is not need to update them, as they believe the risk is too low	..
Studies completed: Other	They do not know how to update them	..
Studies completed: Other	They do not believe the update is effective	..
Studies completed: Other	It is to expensive	..
Studies completed: Other	Other reasons	..
Employment situation: Employed and economically active	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	1,101,127
Employment situation: Employed and economically active	There is not need to update them, as they believe the risk is too low	9.9
Employment situation: Employed and economically active	They do not know how to update them	39.6
Employment situation: Employed and economically active	They do not believe the update is effective	3.1
Employment situation: Employed and economically active	It is to expensive	4.6
Employment situation: Employed and economically active	Other reasons	56.5
Employment situation: Unemployed and economically active	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	209,249
Employment situation: Unemployed and economically active	There is not need to update them, as they believe the risk is too low	6.1
Employment situation: Unemployed and economically active	They do not know how to update them	37.5
Employment situation: Unemployed and economically active	They do not believe the update is effective	1.6
Employment situation: Unemployed and economically active	It is to expensive	5.8
Employment situation: Unemployed and economically active	Other reasons	61.4
Employment situation: Inactive population: Students	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	228,901
Employment situation: Inactive population: Students	There is not need to update them, as they believe the risk is too low	3.4
Employment situation: Inactive population: Students	They do not know how to update them	34.2
Employment situation: Inactive population: Students	They do not believe the update is effective	0.6
Employment situation: Inactive population: Students	It is to expensive	6.6
Employment situation: Inactive population: Students	Other reasons	65.1
Employment situation: Inactive population: Household chores	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	121,985
Employment situation: Inactive population: Household chores	There is not need to update them, as they believe the risk is too low	7.0
Employment situation: Inactive population: Household chores	They do not know how to update them	76.3
Employment situation: Inactive population: Household chores	They do not believe the update is effective	0.4
Employment situation: Inactive population: Household chores	It is to expensive	0.0
Employment situation: Inactive population: Household chores	Other reasons	30.2
Employment situation: Inactive population: Pensioners	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	92,450
Employment situation: Inactive population: Pensioners	There is not need to update them, as they believe the risk is too low	2.0
Employment situation: Inactive population: Pensioners	They do not know how to update them	62.4
Employment situation: Inactive population: Pensioners	They do not believe the update is effective	0.2
Employment situation: Inactive population: Pensioners	It is to expensive	6.6
Employment situation: Inactive population: Pensioners	Other reasons	40.0
Employment situation: Other employment situation	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	18,336
Employment situation: Other employment situation	There is not need to update them, as they believe the risk is too low	22.6
Employment situation: Other employment situation	They do not know how to update them	21.6
Employment situation: Other employment situation	They do not believe the update is effective	0.0
Employment situation: Other employment situation	It is to expensive	0.0
Employment situation: Other employment situation	Other reasons	55.8
Professional status (in main job): Worker employed by others	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	899,521
Professional status (in main job): Worker employed by others	There is not need to update them, as they believe the risk is too low	10.2
Professional status (in main job): Worker employed by others	They do not know how to update them	39.2
Professional status (in main job): Worker employed by others	They do not believe the update is effective	3.2
Professional status (in main job): Worker employed by others	It is to expensive	5.0
Professional status (in main job): Worker employed by others	Other reasons	57.2
Professional status (in main job): Self-employed or freelance workers	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	201,606
Professional status (in main job): Self-employed or freelance workers	There is not need to update them, as they believe the risk is too low	8.7
Professional status (in main job): Self-employed or freelance workers	They do not know how to update them	41.3
Professional status (in main job): Self-employed or freelance workers	They do not believe the update is effective	2.8
Professional status (in main job): Self-employed or freelance workers	It is to expensive	3.0
Professional status (in main job): Self-employed or freelance workers	Other reasons	53.5
Main occupation: Manual	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	394,693
Main occupation: Manual	There is not need to update them, as they believe the risk is too low	13.9
Main occupation: Manual	They do not know how to update them	50.8
Main occupation: Manual	They do not believe the update is effective	2.9
Main occupation: Manual	It is to expensive	2.6
Main occupation: Manual	Other reasons	45.3
Main occupation: Non-manual	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	706,434
Main occupation: Non-manual	There is not need to update them, as they believe the risk is too low	7.7
Main occupation: Non-manual	They do not know how to update them	33.3
Main occupation: Non-manual	They do not believe the update is effective	3.2
Main occupation: Non-manual	It is to expensive	5.8
Main occupation: Non-manual	Other reasons	62.8
Main occupation: ICT workers	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	17,909
Main occupation: ICT workers	There is not need to update them, as they believe the risk is too low	18.6
Main occupation: ICT workers	They do not know how to update them	10.9
Main occupation: ICT workers	They do not believe the update is effective	7.6
Main occupation: ICT workers	It is to expensive	48.9
Main occupation: ICT workers	Other reasons	58.1
Main occupation: Other workers	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	1,083,218
Main occupation: Other workers	There is not need to update them, as they believe the risk is too low	9.8
Main occupation: Other workers	They do not know how to update them	40.1
Main occupation: Other workers	They do not believe the update is effective	3.0
Main occupation: Other workers	It is to expensive	3.9
Main occupation: Other workers	Other reasons	56.5
Net household monthly income: Less than 1,100 Euros	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	217,251
Net household monthly income: Less than 1,100 Euros	There is not need to update them, as they believe the risk is too low	2.7
Net household monthly income: Less than 1,100 Euros	They do not know how to update them	62.0
Net household monthly income: Less than 1,100 Euros	They do not believe the update is effective	3.4
Net household monthly income: Less than 1,100 Euros	It is to expensive	2.8
Net household monthly income: Less than 1,100 Euros	Other reasons	43.2
Net household monthly income: 1,100 to 1,800 euros	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	441,857
Net household monthly income: 1,100 to 1,800 euros	There is not need to update them, as they believe the risk is too low	8.6
Net household monthly income: 1,100 to 1,800 euros	They do not know how to update them	41.5
Net household monthly income: 1,100 to 1,800 euros	They do not believe the update is effective	2.4
Net household monthly income: 1,100 to 1,800 euros	It is to expensive	6.2
Net household monthly income: 1,100 to 1,800 euros	Other reasons	58.6
Net household monthly income: 1,800 to 2,700 euros	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	367,194
Net household monthly income: 1,800 to 2,700 euros	There is not need to update them, as they believe the risk is too low	9.0
Net household monthly income: 1,800 to 2,700 euros	They do not know how to update them	42.0
Net household monthly income: 1,800 to 2,700 euros	They do not believe the update is effective	2.6
Net household monthly income: 1,800 to 2,700 euros	It is to expensive	9.8
Net household monthly income: 1,800 to 2,700 euros	Other reasons	47.2
Net household monthly income: More than 2,700 Euros	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	295,066
Net household monthly income: More than 2,700 Euros	There is not need to update them, as they believe the risk is too low	12.7
Net household monthly income: More than 2,700 Euros	They do not know how to update them	35.1
Net household monthly income: More than 2,700 Euros	They do not believe the update is effective	4.1
Net household monthly income: More than 2,700 Euros	It is to expensive	3.6
Net household monthly income: More than 2,700 Euros	Other reasons	61.3
Net household monthly income: DK/NA	Total persons who have used the Internet in the last 12 months and who use some type of IT security software but do not update it	450,679
Net household monthly income: DK/NA	There is not need to update them, as they believe the risk is too low	6.6
Net household monthly income: DK/NA	They do not know how to update them	38.1
Net household monthly income: DK/NA	They do not believe the update is effective	0.0
Net household monthly income: DK/NA	It is to expensive	0.9
Net household monthly income: DK/NA	Other reasons	61.4