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Why We Should Care about Older Adults Susceptibility to Phishing Daniela Oliveira Florida Institute for Cyber Security
Why We Should Care about Older
Adults Susceptibility to Phishing
Daniela Oliveira
FloridaInstituteforCyberSecurity
4
Census Bureauactual through 2010; projections through 2050
5
Agarwal et al., 2009; Samanez-Larkin & Knutson, 2015
AuthorityScarcityCommitment/ConsistencyLikingReciprocationSocial Proof
YoungParticipants OlderParticipantsN 99 59%female 55.6 44.1Age 21.57(3.80) 70.98(8.30)YearsofEducation 14.24(3.57) 16.30(2.79)Hrs ofExerciseperweek 5.40(3.43) 8.84(10.50)PhysicalHealth 7.72(1.54) 7.53(1.97)MentalHealth 8.00(1.52) 8.57(1.50)Hrs onInternetperweek 7.35(2.90) 7.09(2.98)
Note.Bold indicatessignificantagedifferencesatp <.05.
Participants - 158
day 1
Home Lab server
DB
Phishing manager
(1)
(2)
(3) Logs
Log manager
continuously
day 2
day 21
DearDaniela,
Ourresourceshaveindicatedthatyouhaveaparkingviolationfrom12/17/2015atSW89thAvenue,inGainesvilleFLat3:34pm.Pleasegotoour websitetoobtainmoreinformationabouttheviolationandtopay yourfineorrefuteyourticket:<linkomitted>Sincerely,
SusanSmithAlachuaCountyTrafficCorrespondence2345MainStreetGainesville,FL3523445656
Authority + Legal
Older adults more susceptible than younger adults into falling for a phishing email
Huge effect for older women: the most susceptible group
(p < 0.001)
Clic
k on
Em
ail L
ink
(Pre
dict
ed P
roba
bilit
y)
0
0.01
0.02
0.03
0.04
Male FemaleOlder Participants
Age x Gender Effect
Note.Agexsex:B =1.10,z =2.30,p =.02
Clic
k on
Em
ail L
ink
(Pre
dict
ed P
roba
bilit
y)
0
0.01
0.02
0.03
0.04
Male FemaleYoung Participants
Age x Gender Effect
Note.Agexsex:B =1.10,z =2.30,p =.02
Weapon of Influence x Susceptibility
Clic
k on
Em
ail L
ink
(Pre
dict
ed P
roba
bilit
y)
0
0.02
0.04
0.06
Young Participants Older Participants
0
0.02
0.04
0.06
0.08
Young Participants Older Participants
Clic
k on
Em
ail L
ink
(Pre
dict
ed P
roba
bilit
y)Life Domains x Susceptibility
Low Susceptibility Awareness, Particularly Among Older Users and Those with Lower Cognitive Status
How likely would you click on the link in this email?
Note.Agemaineffect:p =.08
MeanSuscep
tibilityAwaren
ess
(1=notlikelyata
ll,5=verylikely)
Note.DelayedMemoryRecall:B =.163,R2 =.317,p =.002
47Oliveira, Ebner, et al., 2017, CHI
Deception
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Thank [email protected]
