Computer security refers to the process of protecting computer systems and data against theft, destruction, or abuse. It is simply about avoiding and detecting any individual trying to access your computer without authorization.
What is Computer Security and Its Types?
In order to better understand computer security, we might ask: what is being protected, exactly? For instance:
- Information Security is to safeguard information from being read, changed, or destroyed by other individuals who are not authorized to read it.
- Application Security refers to securing computer programs by incorporating security features that protect against cyber attacks such as data theft, SQL injection, or denial of service attacks.
- Computer security is simply a matter of safeguarding one computer and keeping it updated, with any issues fixed.
- Network security refers to the defense from both hardware and software that connect computers.
- Cybersecurity is the protection of computer systems which communicate over networks, including the internet.
Become a Cybersecurity Professional
To become a well-respected cybersecurity expert, sign up for the CISSP Certification Course, where you will learn critical information and become certified.
What Does Computer Security Do?
Computer security utilizes a regime of controls and rules meant to protect computer systems. Computer security makes sure information is accurate, confidential, and accessible whenever it is needed. Parts of a Computer System That Must Be Secured
The main elements of a computer system that have to be protected are the following:
- Hardware: The actual parts of a computer you can touch, like the memory and hard drive.
- Firmware is a program embedded within a device of hardware that gets it to function but is usually out of sight.
- Software are the applications you use, like the operating system, web browser, or word processor.
The CIA Triad
Plainly speaking, computer security is everything that protects information and the different parts of a computer so that they work properly. It keeps unauthorized people or programs from viewing or changing them.
If you're interested in knowing more about the way hackers operate and how to prevent them, look at our Certified Ethical Hacking Online Course. It covers the newest hacking tools and techniques employed by hackers.
Common Computer Security Threats
Now, let's discuss some of the usual threats to computer security. These threats can cause your computer to not function properly. Everything is moving towards digital, and cyber threats are growing day by day. These are some of the most dangerous threats:
Viruses
A computer virus is a malicious program that quietly infects your computer, usually without you even knowing it. It makes duplicate copies of itself and infects your programs and files. All a virus does is cause trouble for your computer to function or even render your computer useless.
Computer worms
A worm is a type of software that spreads by making copies of itself and moving from one computer to another without needing help. Worms have a tendency to use up storage space on your computer very fast, as they multiply at a frightening rate and make many copies.
Phishing.
Phishing happens when someone pretends to be a trusted individual or group, trying to trick you into sharing personal or financial data. This trick is often played out through fake emails or messages. It's easy to be tricked, as these messages tend to be very realistic.
Botnets
A botnet is a group of computers that a hacker controls using a virus, usually without the owners knowing. An infected computer is referred to as a "zombie." Hackers use these botnets for evil intentions such as massive attacks on websites, referred to as DDoS attacks.
Rootkit
A rootkit is a program that secretly lets someone take control of a computer without being notice. It manages to hide the fact that it exists, and the owner does not even know it is there. Once it is installed on a computer system, the individual operating the system can run programs and manipulate settings remotely, without detection.
Keylogger
A keylogger, or keystroke logger, records everything a user types on the keyboard in real time. It records all of the typed keys. Keyloggers are harmful because they can capture useful information such as usernames and passwords.
To explore further into the field of cybersecurity, take a Cyber Security Internship. From this, you will learn about Network Security, Cryptography, Web Application Hacking, and more.
Why is computer security so crucial?
We are very much dependent on computers these days and want to protect our own information. This is the reason why computer security is so important. It protects our personal information from theft or misuse. Besides, it protects our computer health by blocking viruses and malware that will consume our computer's speed or make it useless.
Computer Security Practices
Each day, threats to computers grow more cunning. To protect yourself, you must learn how to protect yourself and your computer. Here are a few easy steps to follow:
- Keep your computer safe by using trusted antivirus and security software.
- Turn on your firewall; it is a guardian between the internet and your computer.
- Always update your software and apps to the newest version.
How to obtain Cyber Security certification?
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Conclusion
Computer security defends our computers and data against harm and attack. Knowing and following good safety practices allows us to be safe on the internet. Being aware keeps our computers and data safe.
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