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Computer Science Antivirus and antimalware software Importance of computer network
security
A computer virus is a malicious software
program loaded onto a user’s computer
The significance of computer network
without knowledge and performs
security cannot be overstated in today’s
malicious actions. These are man-made
FOR ONLINE READING ONLY
harmful programs. They are man’s
systems and the continual exchange of
attempts to sabotage data, and they are digital landscape, where interconnected
sensitive information are prevalent. It
created merely to disturb the normal serves a pivotal role in protecting data
functioning of a computer system. These and privacy from a myriad of threats
viruses have names, and some examples and potential vulnerabilities within
include Melissa, Trojan Horse, BadTrans, networked environments. Network
and WThus.
security has the following importance:
Network Access Control (a) Protecting against cyber threats:
Network Access Control (NAC) verifies Network security tools like firewalls,
intrusion detection systems, and
and enforces the security compliance of antivirus software help keep
devices seeking to connect to a network, computer systems safe from harmful
ensuring that only authorised and online attacks. These attacks, like
properly configured devices can access viruses, scams, and attempts to shut
network resources. down networks, can put important
information at risk and disrupt how
Encryption a network works.
Encryption converts sensitive data into (b) Keeping data safe: Network security
unreadable code, protecting it from makes sure that private information
unauthorised access during transmission stays private and is only available
or storage. Secure Sockets Layer (SSL) to the right people. Encryption
and Transport Layer Security (TLS) are methods are used to keep data safe
common encryption protocols used to when it is being sent, stopping others
secure data transmitted over networks. from listening in or getting into the
information without permission.
Security Information and Event
Management (c) Keeping data accurate: Network
security ensures that information
Security Information and Event stays accurate and unchanged during
Management (SIEM) systems collect, transmission or torage. If someone
analyse, and correlate security event changes the data, it can result in
data from various network devices and incorrect decisions, financial losses
applications to identify and respond to or even hazardous conditions in
security threats in real-time.
critical systems.
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for Advanced Secondary Schools
Computer Science Form 5.indd 202 23/07/2024 12:33
