User Access Restriction and Digital Security

Flashcards covering physical security measures, password security, and biometric authentication methods for protecting digital systems.

Why do organisations combine several user access restriction procedures?

To protect digital systems from unauthorised access, reduce the risk from threats, and lessen the impact of an attack.

What is one simple way an organisation can physically secure desktop PCs?

Fastening them to a desk using a cable lock.

How can computer servers be physically protected according to the transcript?

By locating them in a locked room accessed with a key or electronic lock using a PIN or swipe card.

What is the primary method of authenticating a user to a system?

Passwords.

How can strong passwords be created and why are they important?

They are created from a combination of letters, numbers, and symbols; they are important because the longer a password is, the more difficult it is to crack.

Which is considered more secure: passwords or passphrases?

Passphrases.

What are the five main types of biometrics listed in the text?

Retina (eye) Scan, Iris (eye) recognition, Voice recognition, Facial recognition, and Fingerprint Scan.

What are two benefits of physical locks and electronic locks?

Locks make it more difficult for thieves to remove equipment, and electronic locks record who enters and leaves a room.

What are the drawbacks of using keys, swipe cards, and PINs?

Keys and swipe cards may be lost or copied, and users may write down their PIN instead of remembering it.

Which devices cannot be protected by traditional physical locks according to the notes?

Portable devices such as laptops, tablets, and smartphones.

What are the benefits of using passwords for access restriction?

It is a simple, cheap method of preventing unauthorised access.

What social engineering attacks can bypass password protection?

Pharming or phishing, where authorised users are tricked into revealing their passwords.

What are the benefits of biometrics compared to passwords?

They are unique to the individual, do not need to be remembered, and do not need to be updated.

What are two drawbacks of biometric security systems?

They may be expensive to set up due to required specialist equipment, and some implementations are easy to spoof.