2.2 Computer Security Flashcards
What is computer security?
“It is a set of techniques for protecting computers from intentional or unintentional harm.”
What are steps neecessary for establishing a computer security plartform?
- Identify the computer system that requires protection (e.g. data, programs, hardware, media, or services).
- Determine the value of each assert.
- Identify the potential threats associated with each asset.
- Identify the vulnerability of the computers to each of these threats (the threats in 3).
- Select and implement the security measures.
- Audit and update the computer security programs regularly.
What are the types of computer security measures?
“Physical security
What is physical security?
“Protecting computer hardware from theft and damage using locks
How does encryption work?
“Encryption converts plaintext into unreadable ciphertext using algorithms and requires decryption to read.”
What are the characteristics of a strong password?
“Combination of characters and symbols
What is a firewall?
“A system or program that filters access to a network
Why are backups important?
“Backups prevent data loss due to hacking
What is anti-virus software?
“Programs that protect computers from malware and viruses. Examples include Avast
What are some good password practices?
“Use complex passwords
What is the role of surge protectors and UPS?
“They protect computer hardware from power fluctuations and outages.”
Why should anti-virus software be updated regularly?
“To ensure protection against new viruses and malware discovered every day.”
