Which of the following is a method to prevent unauthorized access to a system?
A. Disabling firewalls
B. Using default passwords
C. Multi-factor authentication
D. Sharing login credentials
Answer: Option C
Solution (By JKSSB Mock Tests)
Multi-factor authentication requires users to provide multiple forms of verification, significantly reducing the risk of unauthorized access even if one factor is compromised.
A type of extortion malware that uses advanced cryptography to lock a user’s local operating system or data files, demanding payment via cryptocurrency to restore access, is called:
Explanation:
Ransomware restricts access to files or computing systems via powerful encryption, conditioning decryption on the verification of a financial ransom transfer.
What term refers to a network of compromised, malware-infected computers under the remote command of a singular cybercriminal master node, often used to launch massive DDoS actions?
Explanation:
A botnet is a collection of hijacked 'zombie' nodes controlled remotely via Command and Control (C2) servers to execute coordinated cyber operations.
Explanation:
Personal devices face multiple cyber threats, including malware infections, physical theft, and security risks from unsecured networks, requiring comprehensive protection measures.
No comments yet. Be the first to start the discussion!