What is Network Security?
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Network security is crucial for protecting computer networks from various cyber threats, especially for small businesses which are often targeted due to their lack of resources. Key threats include malware, phishing, and unsecured systems, highlighting the need for multi-layered security protocols. Implementing a structured approach involving the creation, testing, and ongoing monitoring of security systems is essential for safeguarding sensitive data and maintaining operational integrity.
![*Malware
[mal-wair]
noun, Computers.
1. “malicious” software intended to damage a
computer, mobile device, computer
system, or computer network, or
to take partial control over its operation](https://image.slidesharecdn.com/whatisnetworksecurity-170207194637/85/What-is-Network-Security-8-320.jpg)
![* Malicious Spyware
[spahy-wair]
Malicious spyware is used to describe the•
Trojan application that was created by cyber
criminals to spy on their victims.
An example would be key logger software that•
records a victim’s every keystroke on his or her
keyboard.
Spyware is used to conduct espionage.•
12
| nutmegtech.com](https://image.slidesharecdn.com/whatisnetworksecurity-170207194637/85/What-is-Network-Security-12-320.jpg)
![Rootkit
A set of software tools that
enable an unauthorized user
to gain control of a computer
system without being
detected.
* A rootkit could be installed on
your computer by a
cybercriminal exploiting a
vulnerability or security hole in
a legitimate application on your
PC and may contain spyware
that monitors and records
keystrokes.
*
17
[ro͞otˌkit]
Noun, computing.
a set of software tools that enable an unauthorized user to gain control of a computer system
without being detected.
| nutmegtech.com](https://image.slidesharecdn.com/whatisnetworksecurity-170207194637/85/What-is-Network-Security-17-320.jpg)
What is Network Security?
- 1. What is Network Security? Nutmeg Technologies
- 2. *Intro to Network Security Network Security is no joke. Whether you have a website, online accounts• or any cyber-based infrastructure, you are at risk of a network attack. Even though the public only hears about cyber attacks against large• companies, banks and government websites, small businesses make the best targets for cyber criminals. Due to the lack of resources of small businesses, they have the least• protected websites, accounts and network systems, making cyber attacks against them a relatively easy job.
- 3. “Attacks against small businesses continued to grow in 2015, although many of these attacks were directed to fewer organizations, increasing by 9 percentage points.“ www.symantec.com * Phishing Attacks by Size of Targeted Organization 03 | nutmegtech.com
- 4. * 5 Most Common Network Security Mistakes Uninformed users opening phishing emails Passwords Passwords that are insecure or don’t expire, along with default password and user accounts left in place Out-of-date operating systems with known vulnerabilities left on the internet; this can be a threat to other, more up to date machines. Open ports on the firewall, for example, to let someone remote in from home Unsecured WiFi 04 | nutmegtech.com
- 5. Network security is the any protection of access, misuse, and hacking of files and directories in a computer network system. Some of the most common threats to a network include viruses, worms, spyware, adware and identity theft. One of the most important aspects is the multiple layers of security. There is no single package or system that will offer complete protection against every threat to your network, so it is important to remember to use multiple layers of security for your network. What is Network Security 05 | nutmegtech.com
- 6. As the internet evolves and computer networks become bigger and bigger, network security has become one of the most important factors for companies to consider. By increasing your network security, you decrease your chance of compromising your data. As the complexity of the systems and the networks are increasing, vulnerabilities are also increasing and the task of securing the networks is becoming more complex. This makes network security an essential part of today’s businesses. “”We are the best app development company in the market” Why Do We Need Security? Data is the most precious factor of today’s businesses. 06 | nutmegtech.com
- 7. * 10 Most Common Security Threats According to Cisco.com 01. Malware 03. Rogue Security Software 02. Computer virus 04. 07 Trojan Horse 06. Computer Worm 08. Spam 07. Botnet 09. Phishing 05. Malicious Spyware 10. Rootkit
- 8. *Malware [mal-wair] noun, Computers. 1. “malicious” software intended to damage a computer, mobile device, computer system, or computer network, or to take partial control over its operation
- 9. Computer Virus 09 A computer virus, much like a flu virus, is designed to spread from host to host• and has the ability to replicate itself. The virus could corrupt, steal, or delete data on your computer• —even erasing everything on your hard drive. | nutmegtech.com
- 10. * Rogue Security Software Have you ever seen a pop-up window that advertises a security update or alert? The goal of rogue security software, “ is to deceive you into believing that your computer is infected with some serious threats, and then trick you into installing/purchasing fake security software. 10 | nutmegtech.com
- 11. A Trojan horse is a type of• malware that is often disguised as software. Trojans can be employed by hackers trying to gain access to users' systems. Once inside your computer,• a Trojan horse can do anything from record your passwords by logging keystrokes to hijacking your webcam to watch and record your every move. Trojan Horse 11
- 12. * Malicious Spyware [spahy-wair] Malicious spyware is used to describe the• Trojan application that was created by cyber criminals to spy on their victims. An example would be key logger software that• records a victim’s every keystroke on his or her keyboard. Spyware is used to conduct espionage.• 12 | nutmegtech.com
- 13. A computer worm is a self -replicating computer program that penetrates an operating system with the intent of spreading malicious code. For example, a worm can send copies of itself to every contact in your email address book and then send itself to all the contacts in your contacts’ address books. Worms can replicate in great volume and with great speed. * Computer Worm 13 | nutmegtech.com
- 14. Botnets are networks made up of remote- controlled computers, or “bots.” These computers have been infected with malware that allows them to be remotely controlled. An individual computer in the group is known as a “zombie“ computer. * Botnet 14 | nutmegtech.com
- 15. * Spam Spam in the security context is primarily used1. to describe email spam —unwanted messages in your email inbox. Spam is e2. -mail sent to thousands and sometimes millions of people without prior approval, promoting a particular product, service or a scam to get other people's money. However, spam messages can contain links that3. when clicked on could go to a website that installs malicious software onto your computer. 15 | nutmegtech.com
- 16. * Phishing Phishing refers to the process where a targeted individual is contacted by email or telephone by someone posing as a legitimate institution to lure the individual into providing sensitive information such as banking information, credit card details, and passwords. For example, “ the message would try to lure you into giving your personal information by pretending that your bank or email service provider. 16 | nutmegtech.com
- 17. Rootkit A set of software tools that enable an unauthorized user to gain control of a computer system without being detected. * A rootkit could be installed on your computer by a cybercriminal exploiting a vulnerability or security hole in a legitimate application on your PC and may contain spyware that monitors and records keystrokes. * 17 [ro͞otˌkit] Noun, computing. a set of software tools that enable an unauthorized user to gain control of a computer system without being detected. | nutmegtech.com
- 18. * There are Five Steps to Protect Your Network IMPLEMENT ANALYZE TEST MODIFY 18 MONITOR | nutmegtech.com
- 19. * 5 Steps to Protect Your Network Implement Analyze Test Modify Monitor The first step is to create and implement a network security system system that provides protection and has sufficient authorization policies. Once the network security system is created and implemented, the system needs to be analyzed to determine if the current security system is appropriate for the network it is protecting. When an appropriate network security system is in place, it is time to conduct tests to make sure all of the securities are working and will completely protect your network against any threats. 19 After conducting the tests, collect the data and enhance your protections. The results will reveal where your security system is effective and where it can be improved. Hackers are always improving their attacking procedures, so it is essential to test your system frequently to remain protected and stay one step ahead of them. Ongoing monitoring will help support healthy network operations at all hours of the day. Monitoring the network in an ongoing fashion doesn’t have to require more work or office time. A network monitoring solution will keep tabs on device statuses and send you real- time alerts via email or text anytime network issues occur. | nutmegtech.com
- 20. 877-688-6344 [email protected] Wayne Lerario, VP of Sales twitter.com/nutmegtech facebook.com/nutmegtech You can also find us at: * Want to Protect Your Business? 20 Network security helps your company meet mandatory regulations. Because network security helps protect your customers' data, it reduces the risk of legal action from data theft. * By having network security in place, your company will experience business benefits. Your company is protected against business disruption, this helps keep employees productive. * Let’stalk | nutmegtech.com