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Privacy
Individual’s ability to restrict or eliminate the collection, use, and sale of confidential personal information
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Anonymity
- Means to communicate without disclosing one’s identity
- More difficult with the use of computers and the Internet
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Technologies that jeopardize anonymity
- Cookies
- Global unique identifiers
- Ubiquitous computing
- Radio frequency identification
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Cookies
- Small files written to your hard disk by Web sites visited
- Examples include:
- Track your browsing habits
- Gather personal information without your consent
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Global unique identifer (GUID)
Identification number produced by software or a piece of hardware
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Ubiquitous computing
Interacting with multiple networked devices
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Active badge
transmits infrared signals to create an electronic trail
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Radio frequency identification (RFID)
- Uses radio waves to track a chip or tag
- Used for inventory control in stores
- May compromise anonymity and privacy if information stored on tags attached to U.S. passports
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Collection of Information Without Consent In the U.S.
- Legislation currently in place includes:
- Fair Credit Reporting Act
- Health Insurance Portability and Privacy Act
- Family Education Rights and Privacy Act
- No comprehensive federal law governing the overall privacy rights of U.S. citizens
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SPAM
Unsolicited messages sent in bulk over electronic mailing systems
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Protecting privacy online
- Use products such as Anonymous Surfing or IronKey Secure USB flash.
- Use free Web-based throwaway e-mail addresses in chat rooms and for mailing lists.
- Tell children not give out personal information.
- Complete forms only if you see a privacy statement.
- Turn off cookies
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Web beacons
Transparent graphic images placed on a Web site or in ane- ail—used to monitor Web or e-mail behavior
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Protecting privacy at home
- Create logins and passwords for each person using the computer.
- Do not save account numbers or passwords.
- Close a secured account site when not using a computer.
- Use strong passwords
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Protecting privacy at work
- Refrain from making personal calls on a work phone
- Avoid using company e-mail for personal purposes
- Assume you are monitored
- Be aware of shoulder surfing
- Do not allow others to tailgate
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Cybercrimes
- Crimes perpetrated through the Internet
- Many Web sites educate users about cybercrime and cybercriminals
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Cyberlaw
Area of law dedicated to computer crime
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Types of computer crime
Identify theft, Dumpster diving, Phishing attacks, Spear phishing, Malware
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Identify theft
criminal access to personal information in order to impersonate someone
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Dumpster diving
disgruntled employees or thieves go through a company’s trash to find information they can steal
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Phishing attacks
legitimate-looking e-mails or Web sites created in an attempt to obtain confidential data about a person
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Spear phishing
(similar to phishing)—uses targeted fake e-mails and social engineering to trick recipients into providing personal information to enable identity theft
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Malware
(short for malicious software)—programs that intentionally harm a computer system or allow individuals to gain access without permission
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Tips to protect yourself from malware
- Know who you are dealing with
- Keep your Web browser and operating system up to date
- Back up important files
- Protect children online
- Use security software tools and keep them up to date
- Use strong passwords
- Learn what to do if something goes wrong
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Spyware
- software that gathers private information and tracks web use,
- Adware is one form of this it generates annoying pop-up and banner ads
- Kyloggers is another type and it records keystrokes to provide cyber criminals with confidential data
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Computer virus
code concealed inside a program that can harm or destroy files. Many spread to e-mail attachments,
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Payload
refers to the dangerious actions a virus performs
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Macro viruses
attach to data files and take advanrage of application macros
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Boot sector viruses
execute each time you start the computer
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SPIM
spam text message sent via a cell phone or instant messaging service
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Logic bomb
hidden computer code tha tsits dormant on a system until triggered
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Time bomb
virus program that remains dormant on a computer system until activated
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Worm
similar to a virus but does not need action of a user to execute
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denial of service (DoS) attack
assaults an internet server with so many request it can't function
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Distributed denial of service (DD0S)
attack involves multiple comoputer systems
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bot
connects individual computers to the controller usually a server under the control of the botnet controller
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syn flooding
form of denial of service attack in which synchronization packets are repeatedly sent to every port on the server
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rootkit
malicious program that is disguised as a useful program, it enables attacker to gain adminstrator level access allows attacker to have repeated and undetected access
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trojan horse
normal looking program that includes concealed instructions to cause harm
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Hackers
computer hobbyists attempting unauthorized access, generally subscribing to an unwritten code of conduct - Hacker ethic
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cybergangs
groups of hackers working together to coordinate attacks
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IP spoofing
sends a message with an IP address disguised as a message from a trusted source
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Honeypots
computer baited with fake data and purposely left vulnerable to study how intruders operate to prapre stronger defenses
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crackers (black hats)
attemptto enter higly secure computer systems to destroy data or steal information
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ethical hackers (white hats)
use expertise to shore up computer system defenses
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Cyberstalkers
- Use the Internet, social networking sites, and e-mail to harass or threaten
- Most perpetrators are men
- Most victims are college-age women
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Cyberbullying
- Sending threatening messages via e-mail or text message
- Usually involves minors
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Computer security risk
- Any intentional or unintentional action resulting in damaging a computer system or its data
- Increased by wireless LANs because transmissions occur over shared airwaves instead of dedicated lines
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Vacation hacking
tricking travelers into using phony WiFi hot spots—evil twins
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Corporate espionage
unauthorized access of corporate information usually to the benefit of a competitor
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Pod slurping
using removiable storage media to create unauthorized copies of confidential data
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Trap doors
security holes created by employees allowing entry to company systems after leaving the firm
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Information warfare
use of information technologies to corrupt or destroy an enemy's information and industrial infrasture
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Uninterruptible power supply (UPS)
provides additional power during outages or electrical current fluctuations
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Biometric authentication
use of voice recognition, retinal scans, and fingerprint scans for authentication
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Firewalls
hardware or software, to prevent unauthorized access
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Cryptography
Study of transforming information into an encoded or scrambled format
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Encryption
Coding or scrambling process that renders a message unreadable by anyone other than the intended recipient
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Plaintext
Readable message that has not been encrypted
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Encryption key
Formula that makes a plaintext message unreadable
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Symmetric key encryption
Uses same key for both encryption and decryption
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Key interception
Occurs when a symmetric key encryption is stolen, allowing others to decrypt messages encrypted with that encryption key
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Secure electronic transaction (SET)
- Uses digital certificates
- Enable parties engaged in Internet-mediated transactions to confirm each other’s identities
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Public key infrastructure (PKI)
- Uniform set of encryption standards
- No dominant standard
- Public fear of a monopoly if a PKI is chosen
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Encryption and public security issues
U.S. government continues search for ways to balance the public’s right to privacy and the government’s need to know
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E-discovery
Obligation of parties to a lawsuit to exchange documents existing only in electronic form
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Computer forensics
Legal evidence found in computers and digital storage media
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