Why We Should Care about Older Adults Susceptibility to ......Agarwal et al., 2009; Samanez-Larkin &...

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Why We Should Care about Older Adults Susceptibility to Phishing Daniela Oliveira Florida Institute for Cyber Security

Transcript of Why We Should Care about Older Adults Susceptibility to ......Agarwal et al., 2009; Samanez-Larkin &...

  • 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

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    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

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    0.02

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    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]