Information Technology Reference
In-Depth Information
Electronic Mail/E-mail:. An. electronically. transmitted. mes-
sage. that. arrives. as. a. computer. ile. on. your. PC. or.
organization's.server..Originally.conceived.as.a.simple.
means.of.sending.short.messages.from.one.computer.
to.another,.the.Simple.Mail.Transfer.Protocol.(SMTP).
was.introduced.without.security.in.mind..Even.though.
standards.have.been.agreed.on.for.the.attachment.of.
iles.to.e-mail.messages,.be.aware.that.such.iles.can.
contain. malicious. code. such. as. a. virus.. Use. extreme.
caution. when. opening. an. e-mail. message. with. an.
attachment,. even. if. the. e-mail. is. from. someone. you.
know—it. is. better. to. leave. it. unopened. and. inquire.
whether.the.e-mail.is.bona.ide..If.in.doubt,.destroy.the.
e-mail.and.advise.the.sender.that.you.have.been.unable.
to. verify. the. authenticity. of. the. attachment. and. to.
advise.its.contents..If.the.e-mail.is.genuinely.important,.
the.sender.will.either.make.contact.again.or.you.have.
the.option.to.send.the.sender.an.explanatory.e-mail.
Encryption:. The. process. by. which. data. are. temporarily.
rearranged. into. an. unreadable. or. unintelligible. form.
for. conidentiality,. transmission,. or. other. security.
purposes.
End User:. Usually.reduced.simply.to. user ..The.person.who.
actually.uses.the.hardware.or.software.that.was.devel-
oped.for.a.speciic.task.
Features/Glitches (Bugs):. Within. the. IT. community,. the.
term. bug .is.frowned.upon.and.is.often.replaced.with.
the.quaint.term. feature .or.a. glitch ..Irrespective.of.how.
it.is.described,.it.remains.a.Bug.
Firewalls:. Policy-based.iltering.systems.(composed.of.both.
hardware. and. software). that. control. and. restrict. the.
low. of. data. between. networked. computer. systems..
Firewalls. establish. a. physical. or. logical. perimeter.
where.selected.types.of.network.trafic.may.be.blocked..
Blocking.policies.are.typically.based.on.computer.IP.
addresses.or.protocol.types.of.applications.(e.g.,.Web.
access.or.ile.transfer).
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