Network security protects a computer network from unauthorized access, misuse, malfunction, or theft.
What is encryption in network security?
Encryption is the process of converting data into a code to prevent unauthorized access during transmission.
Describe what a firewall does in a network.
A firewall monitors and filters outgoing and incoming network traffic, enforcing security policies to protect against threats.
What is the purpose of antivirus software?
Antivirus software detects, prevents, and removes malware and other malicious software from computers and networks.
Explain the concept of 'phishing'.
Phishing is a cyberattack that tricks users into providing sensitive information, often by pretending to be a trustworthy entity in electronic communications.
What is a VPN and how does it contribute to network security?
A VPN (Virtual Private Network) encrypts internet traffic, providing privacy and security when accessing online resources over public networks.
What are malware attacks?
Malware attacks involve using malicious software like viruses, worms, or spyware to damage or gain unauthorized access to networks and devices.
What is two-factor authentication (2FA)?
2FA is a security process that requires two different forms of identity verification before granting access to an account.
Why is it important to keep network systems updated?
Keeping systems updated ensures protection against vulnerabilities and exploits that could be used by hackers.
What is a Denial-of-Service (DoS) attack?
A DoS attack involves overwhelming a network or service with traffic, rendering it unavailable to legitimate users.
What is the role of a network administrator regarding security?
A network administrator manages network resources and security, ensuring reliable and secure operation to prevent breaches.
What is a vulnerability in the context of network security?
A vulnerability is a weakness in a system that could be exploited by a threat to gain unauthorized access or cause damage.
How does a secure password help in network security?
Secure passwords are difficult to guess or crack, helping to protect accounts and systems from unauthorized access.
What are security patches?
Security patches are updates released to fix vulnerabilities in software and systems to protect against potential threats.
Why is network monitoring important for security?
Network monitoring involves continuously overseeing a network for suspicious activities, ensuring quick detection and response to threats.