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What is the Computer Fraud and Abuse Act?
It makes it a crime for unauthorized persons to view data across state lines using computers and prohibits unauthorized use of computers owned by government or federally insured financial institution.
What are some ways to protect computer security?
Limiting access, encrypting, and anticipating disasters.
How can access be restricted to protect computer security?
Through biometric scanning devices, passwords, dictionary attacks, Picture Password, facial recognition, security suites, firewalls, password managers, and authentication (two-factor authentication, two-step authentication).
What is encrypting in the context of computer security?
Coding information to make it unreadable except to those who have the encryption key.
What is HTTPS and what does it require?
Hypertext transfer protocol secure (HTTPS) requires browsers and websites to encrypt all messages.
What do Virtual Private Networks (VPNs) do to protect computer security?
They encrypt connections between company networks and remote users.
What is WPA2 and how does it protect home wireless networks?
WPA2 (Wi-Fi Protected Access) is the most widely used wireless network encryption for home wireless networks.
What is information theft in the context of computer security?
It occurs when someone steals personal or confidential information.
How can organizations safeguard against information theft?
By implementing user identification and authentication controls, particularly for protecting information on computers located on an organization's premises.
What is encryption?
Encryption is a process of converting readable data into unreadable characters to prevent unauthorized access.
How do organizations and individuals use encryption techniques?
They use encryption to protect data, store it, send it in email messages, and ensure unauthorized access.
What is a digital signature?
A digital signature is an encrypted code that a person, website, or organization attaches to an electronic message to verify the identity of the message sender.
What does a digital signature consist of?
The code usually consists of the user's name and a hash of all or part of the message. A hash is a mathematical formula that generates a code from the contents of the message.
How do recipients of a digitally signed message verify its authenticity?
Receivers decrypt the digital signature, generate a new hash of the received message, and compare it with the one in the digital signature to ensure they match.
What is a digital certificate?
A digital certificate is a notice that guarantees a user or a website is legitimate. E-commerce applications commonly use digital certificates.
Where is a digital certificate commonly used?
E-commerce applications commonly use digital certificates. Web browsers such as Internet Explorer often display a warning message if a website does not have a valid digital certificate.
What does TLS stand for and what does it provide?
TLS stands for Transport Layer Security and it provides encryption of all data that passes between a client and an Internet server.
What does TLS require the client to have?
TLS requires the client to have a digital certificate.
What is encryption?
Encryption is a process of converting readable data into unreadable characters to prevent unauthorized access.
How is encrypted data treated?
Encrypted data is treated like any other data. It can be stored or sent in an email message.
What is a digital signature?
A digital signature is an encrypted code attached to an electronic message to verify the identity of the message sender. It usually consists of the user's name and a hash of the message.
What is a hash?
A hash is a mathematical formula that generates a code from the contents of a message. It differs for each message and is used in digital signatures to verify the integrity of the message.
How is a digital signature verified?
The recipient decrypts the digital signature, generates a new hash of the received message, and compares it with the one in the digital signature to ensure they match.
What is a digital certificate?
A digital certificate is a notice that guarantees a user or a website is legitimate. E-commerce applications commonly use digital certificates.
What is Transport Layer Security (TLS)?
Transport Layer Security (TLS) provides encryption of all data that passes between a client and an Internet server. It requires the client to have a digital certificate.
