Which of the following employee behavior is unacceptable as per Infosys' security guidelines?

a$.$ Employee transfers confidential documents$/$ training material using blacklisted software, or misusing admin privilege

b$.$ Employee does not ensure that system is updated with latest security patches

c$.$ Employee raises USB exception request to copy personal data, but copies official documents

d$.$ Employee working from non$-$ authorized$/$ non$-$designated location, without proper approvals

e$.$ All of the above