Computer and Crime

7/27/2019 Computer and Crime

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Computer and Crime



Isyu Sosial

Dampak Positif1. Komunikasi yanglebih baik.

2. Transportasi

data yang cepataman.3. Pekerjaan

selesai lebihcepat akurat.

4. Efisiensi tenagakerja

Dampak Negatif1. Manusiatergantung dengankomputer.

2. Kehilanganpekerjaan karenakomputer lebihcepat teliti.

3. Hacker yangmerusak datadata dalamkomputerwalaupun sudah dip ssword



Computer Crime• The unauthorized use, access, modification,and destruction of hardware, software,

data, or network resources

• The unauthorized release of information

• The unauthorized copying of software

• Denying an end user access to his or herown hardware, software, data, or networkresources

• Using or conspiring to use computer ornetwork resources illegally to obtaininformation or tangible property



Cyber Crime Safeguards



HackingDefinition• The obsessive use of

computers, or the unauthorizedaccess and use of networkedcomputer systems



Common Hacking Tactics• Denial of Service – hammering awebsite’s equipment with toomany requests for information,effectively clogging the system,slowing performance or evencrashing the site

•

Scans –

widespread probes of theInternet to determine types ofcomputers, services, andconnections



Common Hacking Tactics• Sniffer – programs that covertlysearch individual packets of dataas they pass through theInternet, capturing passwords orentire contents

• Spoofing – faking an e-mail

address or Web page to trickusers into passing along criticalinformation like passwords orcredit card numbers



Common Hacking Tactics

• Trojan Horse – a program that,unknown to the user, containsinstructions that exploit a known

vulnerability in some software

• Back Doors – a point hidden point

of entry to be used in case theoriginal entry point has beendetected or blocked



Common Hacking Tactics• Malicious Applets – tiny programsthat misuse your computer’sresources, modify files on the harddisk, send fake e-mail, or stealpasswords

• War Dialing – programs that

automatically dial thousands oftelephone numbers in search of away in through a modemconnection



Common Hacking Tactics• Logic Bombs – an instruction in a

computer program that triggers amalicious act

• Buffer Overflow – a technique forcrashing or gaining control of acomputer by sending too much data tothe buffer in a computer’s memory

• Password Crackers – software thatcan guess passwords



Common Hacking Tactics• Social Engineering – a tactic usedto gain access to computersystems by talking unsuspectingcompany employees out ofvaluable information such aspasswords

•

Dumpster Diving –

sifting througha company’s garbage to findinformation to help break intotheir computers



Cyber TheftDefinition• Computer crime involving the

theft of money



Unauthorized Use

Definition• Time and resource theft may

range from doing privateconsulting or personal finances,or playing video games, tounauthorized use of theInternet on company networks



Piracy• Software Piracy – unauthorizedcopying of computer programs

• Piracy of Intellectual Property – unauthorized copying ofcopyrighted material, such asmusic, videos, images, articles,books and other written worksespecially vulnerable to copyrightinfringement



Virus vs. Worm• Computer Virus – a programcode that cannot work withoutbeing inserted into anotherprogram

•

Worm –

distinct program thatcan run unaided



Privacy Issues• Accessing individuals’ private e-mailconversations and computer records,and collecting and sharing informationabout individuals gained from their

visits to Internet websites andnewsgroups

• Always knowing where a person is,

especially as mobile and pagingservices become more closelyassociated with people rather thanplaces



Privacy Issues• Using customer information gainedfrom many sources to marketadditional business services

• Collecting telephone numbers, e-mail addresses, credit card

numbers, and other personalinformation to build individualcustomer profiles



Privacy on the Internet• E-mail can be encrypted• Newsgroup postings can be sent

through anonymous remailers

• ISP can be asked not to sell yourname and personal information tomailing list providers and othermarketers

• Decline to reveal personal data andinterests on online service and websiteuser profiles



Computer Matching

Definition• Using physical profiles or

personal data and profilingsoftware to match individualswith data



Privacy Laws

Definition• Rules that regulate the

collection and use of personaldata by businesses



Censorship• Spamming – indiscriminate sendingof unsolicited e-mail messages tomany Internet users

• Flaming – sending extremelycritical, derogatory, and often

vulgar e-mail messages ornewsgroup postings to other userson the Internet or online services



Other Challenges• Employment – significantreductions in job opportunitiesas well as different types of

skills required for new jobs• Computer Monitoring –

computers used to monitor theproductivity and behavior ofemployees as they work



Other Challenges• Working Conditions – jobs requiringa skilled craftsman have beenreplaced by jobs requiring routine,

repetitive tasks or standby roles

• Individuality – dehumanize and

depersonalize activities becausecomputers eliminate humanrelationships





Next Week• Computer and IndustrySebutkan perbedaan worm, trojandan virus

Bagaimana komputer dan ITmempengaruhi dunia IndustriSebutkan contoh implementasiyang kompleks dengan

menyebutkan detil aplikasi,rancangan, teknologiBuat presentasinya



Reference• Information SystemManagement, McGrawhill

Documents

Computer and Crime