We live in an era of information. Businesses today are more technologically savvy than ever, and as technology advances, so must security postures. Network security is vital with so many devices now…

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Apr 13 · 4 min read
NetworkSecurityIn Canada | Cyberhunter Cyber
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Network Security: An Introduction To Network Security
We live in an era of information. Businesses today are more technologically
savvy than ever, and as technology advances, so must security postures.
Network security is vital with so many devices now connected through
wired, wireless, or cellular networks. This article will define and describe
network security.
What Is Network Security?
Unauthorized access, abuse, malfunction, alteration, destruction, or
exposure of the underlying networking infrastructure is prevented by
network security.
Our lives are now heavily reliant on the Internet. Today’s generation relies
heavily on the Internet for professional, social, and personal activities. But
is your network secure?
By now, it’s clear that network security has become a hot subject in the
realm of cybersecurity. Many individuals try to harm our Internet-
connected devices, invade our privacy, and prevent us from using Internet
services. Using network security measures helps computers, people, and
applications to conduct vital tasks safely.
How Can We Ensure Network Security?
We must use strong and complex passwords across the network, not only
on individual devices. These passwords can’t be easy to guess. This easy
technique may help secure your networks.
Why Is Security So Important?
Information security roles include:
The ability of an organization to work without any problems.
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2. Make sure that software installed on the organization’s IT systems runs
safely.
Protecting the data that the organization collects and how it uses it
What Are The Different Network Security Types?
Access Control
Application Security
Wireless Security
Firewalls
Behavioural Analytics
Virtual Private Networks(VPN)
Intrusion Prevention System
Let’s look at two types of attacks on a network now that we know what
network security is.
What Is Network Security Attack?
A network attack is any hostile technique, procedure, or means to breach
network security. However, the strategies and methods utilized by the
attacker further identify whether the assault is an active cyberattack, a
passive cyberattack, or a mix of the two.
Consider a basic network assault to understand active and passive attacks.
Active Attacks
An active assault seeks to modify data on the target or data en route to the
target.
Active network attacks are frequently aggressive, obvious assaults that
victims notice instantly. Forcibly getting access to a system or network is a
common feature of active assaults.
Passive Attacks
Passive attacks are network attacks that monitor and search for open ports
and vulnerabilities without affecting system resources.
Passive attacks aim to obtain access to a computer system or network and
gather data undetected.
So, network security protects the underlying network architecture using
hardware and software. You can identify new dangers before they
jeopardize your data with good network security.
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3. Different Types Of Network Security
A network security system has numerous components that work together to
increase security. Here are the most typical network security components.
Access Control
Unauthorized users and devices should be able to access your network,
preventing prospective attackers. Users granted network access should only
be allowed to access their resources.
Application Security
An attacker may utilize application vulnerabilities to enter your network if
they are not patched.
Wireless Security
The security of wireless networks is lacking. Cybercriminals increasingly
target smartphones and applications. So you need to restrict network
access.
Firewall
A firewall is a network access control device or service. They regulate
traffic by establishing rules. A firewall may be either physical or virtual.
Behavioural Analytics
You need to understand regular network activity to recognize abnormalities
or network intrusions. Behavioural analytics technologies automatically
detect outlier behaviour.
Virtual Private Networks(VPN)
A VPN encrypts the connection between an endpoint and a network, usually
through the Internet. Encrypted “tunnel” through the open internet,
authenticating device-to-secure network connection.
Intrusion Prevention System
These systems monitor network traffic, matching network activity
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4. y , g y
fingerprints with attack tactic databases to detect and repel attacks.
So, these are some methods of network security. You’ll also need several
software and hardware solutions to assure network security, including:
Packet sniffers
Firewalls
Penetration testing software
Packet crafters
Intrusion detection system
Web scanners
Network security is critical for overall cybersecurity since it protects
against external attacks. Because nearly all data and applications are
networked, strong network security prevents data breaches.
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