# Instructor Alton > Advance Your IT Career ## Posts - [Understanding the CIA Triad: The Trinity of IT Security](https://instructoralton.com/understanding-the-cia-triad-the-trinity-of-it-security/): In today’s blog post, we’ll explore the CIA triad, a foundational concept that’s often referred to as the trinity of IT security. The CIA triad stands for Confidentiality, Integrity, and Availability and is a crucial framework for ensuring the protection of data and systems. Let’s dive in and understand each component in detail. Confidentiality Confidentiality is all about safeguarding the secrecy of data on our network and IT systems. It involves implementing measures to prevent unauthorized access and disclosure of sensitive information. To achieve confidentiality, organizations employ authentication measures, ensuring that individuals have to authenticate themselves before accessing data. Access […] - [Understanding Zero Trust: An Introductory Guide](https://instructoralton.com/understanding-zero-trust-an-introductory-guide/): In this blog post, we will dive into the concept of Zero Trust, its significance in the world of cybersecurity, and the key principles that make it an effective security framework. So let’s get started! What is Zero Trust? Zero Trust is more than just a security buzzword. It is a combination of a security model, an IT and business strategy, and an IT security framework that trusts nothing but default. Its main principle revolves around the idea of never trusting and always verifying. The Philosophy Behind Zero Trust Unlike traditional security design, where a level of implicit trust may […] - [Online Hash Generator](https://instructoralton.com/online-hash-generator/): Use our online Hash Generator to explore and generate unique hashes from simple text. This is a great way to see plain text converted to unique hashes. Simply enter some text below and click “Generate Hash” to create a unique hash output. Enter Text: Select Hash Algorithm: SHA-256SHA-1SHA-384SHA-512MD5RIPEMD160 Generate Hash Hash Result: - [Password Generator](https://instructoralton.com/password-generator/): Use our password generator to create complex passwords without any guesswork. I designed this for my students as a means to create random and complex passwords. Password Length: Include Special Characters: Include Numbers: Include Lowercase Letters: Include Uppercase Letters: Generate Password - [Why You Should Get IT Certified](https://instructoralton.com/why-you-should-get-it-certified/): If you’re looking to get ahead in the IT world, getting certified is a great way to do it. Certification demonstrates that you have the skills and knowledge to do the job, and can help you stand out from the competition. It can also lead to better job opportunities and higher salaries. And, if you’re already working in IT, getting certified can help you move up the ladder. The Benefits of Getting Certified For beginners looking to get into the world of IT, getting certified can seem like a daunting task. However, there are many benefits to getting certified that […] - [Windows OS ISO Downloads](https://instructoralton.com/windows-os-iso-downloads/): It’s come to my attention that the Microsoft Evaluation Center is currently temporarily unavailable (at the time I’m writing this blog post). While Microsoft works to restore this service, I’ve decided to make the Windows ISO files available for download directly from my website and my Google Drive so you can download the ISO files for my courses: My Google Drive (Faster Download) Windows 10 Enterprise Download Link Windows Server 2016 Download Link My Website (Slower Download) Windows 10 Enterprise Download Link Windows Server 2016 Download Link - [The State of Cybersecurity in 2021 InfoGraphic](https://instructoralton.com/the-state-of-cybersecurity-in-2021-infographic/): Cybercrime continues to be on the rise, especially with COVID-19 and many organizations transitioning their employees to full-time remote work. While, at the same time, there is a 3.12 million shortage of Cybersecurity professionals across the globe. - [Cisco Packet Tracer Downloads](https://instructoralton.com/cisco-packet-tracer-downloads/): You can download Cisco Packet Tracer version 8.11 directly from my website, rather than having to find it on Cisco’s website. I’ve included Windows, Mac OS, and Linux OS versions, so please download the appropriate version. To use Cisco Packet Tracer, you must first register on their training site, https://www.netacad.com/, so don’t forget to do so. My Google Drive Cisco Packet Tracer Windows Download Link Cisco Packet Tracer Mac OS Download Link Cisco Packet Tracer Ubuntu Linux OS Download Link Packet Tracer Installation Instructions If you need it, I’ve included Cisco’s Packet Tracer Installation Intructions PDF. This PDF gives instructions […] - [Interview with a Professional Ethical Hacker](https://instructoralton.com/interview-with-a-professional-ethical-hacker/): Tips and Tricks for Aspiring IT Security Professionals Introduction If you’re interested in entering the cybersecurity field as an ethical hacker, you’ll definitely want to read this blog post Q&A interview with a professional ethical hacker in the UK who asked not to be named to minimize his digital footprint online. Because I have a lot of students in my courses who are very interested in pursuing a cybersecurity career, specifically as an ethical hacker, aka, a penetration (pen) tester, I thought it would be beneficial to interview someone who does it for a living to give you insights into […] - [How I Became a Network Engineer](https://instructoralton.com/how-i-became-a-network-engineer/): Introduction If you aspire to be a network engineer, you’re going to want to read this blog post Q&A interview with Marco Aricayos. Marco is a network engineer in the Philippines, and in his spare time, he helps me out as a teaching assistant, producing content for my courses and website. Because I have a lot of students in my courses interested in going into the computer networking field and ultimately becoming a network engineer, I interviewed Marco so he could provide you some insights into how he became a network engineer. I hope you find this interview insightful and […] - [Why You Need to Know ITIL](https://instructoralton.com/why-you-need-to-know-itil/): Introduction During the COVID-19 pandemic, the whole world has been tested. Governments and companies have been forced to demonstrate their readiness to allow essential businesses, workers, and services to continue as normal as possible in these trying times. We have all been forced to adapt to these new restrictions, wherein IT has played a crucial role in keeping our governments, business, and lives moving forward. In this blog article, we’re going to examine one of the factors in how governments, businesses, schools, and other industries have successfully managed to sustain quality IT services with limited resources and remotely working employees […] - [Why You Need to Know Cloud Computing In 2021](https://instructoralton.com/why-you-need-to-know-cloud-computing-in-2021/): The Move to the Cloud Businesses are constantly evolving, adapting in a competitive marketplace, looking to utilize the latest trend to give them a competitive edge over their competitors. That’s where cloud computing comes in. Migrating to the cloud has generated a lot of attention over the past several years as it appears to be the answer to help cut operational costs while also allowing companies to innovate with the latest and modern technology at the same time. Capitalizing on this technological breakthrough requires strategic planning, especially for traditional organizations, who need assistance with migrating to the cloud. This is […] - [Why You Should Be an IT Jack of All Trades](https://instructoralton.com/why-you-should-be-an-it-jack-of-all-trades/): As an IT instructor who’s taught tens of thousands of students over the years, I often find that my students are looking to specialize in a specific IT area, which is good, and then again, it isn’t. Let me explain. We Don’t Operate in a Vacuum Whether you choose to specialize in network administration, cloud computing, Cybersecurity, systems administration, IT project management, enterprise architecture (EA), applications development, or one of the many other IT specialties, you’ll find that your role often doesn’t operate in a vacuum. For example, a network engineer typically needs to also understand IT project management, EA […] - [The Value of Degrees in Information Technology](https://instructoralton.com/degrees-and-it/): In all of my IT courses on Udemy, I ask my students to introduce themselves. I do this for a couple of reasons. First, to have an understanding of what they expect to gain from my course. Secondly, to simply be cordial and to get a chance to reply and personally welcome them to the course. And more often than not, especially with my Microsoft Technical Associate (MTA) courses, many of my students are taking the course as a prerequisite to get into WGU for either a bachelor’s or master’s degree in IT. So, for that reason, I wanted to […] - [MTA Exams Are Being Retired in 2022](https://instructoralton.com/mta-exams-are-being-retired-in-2022/): As Microsoft is pivoting towards the cloud with their new generation of certifications primarily focusing on Azure, all of the Microsoft Technical Associate (MTA) exams are retiring as of June 30, 2022. What You Need to Know? While the MTA exams won’t be retiring for roughly 15 months from now, you must purchase your exam voucher no later than June 30, 2021. If don’t, then you won’t be able to take the exam. This is Microsoft’s way of “soft” retiring the exam because anyone who wants to take an MTA exam after June 30, 2021 and doesn’t have a purchased […] - [The Best Entry-Level IT Certifications for 2021](https://instructoralton.com/the-best-entry-level-it-certifications-for-2021/): My students often ask me what the best entry-level IT certifications are to help kickstart their career in information technology, and the answer isn’t always that simple. More often than not, my answer is, “It depends.” It depends greatly on what you want to specialize in. Do you want to become a network engineer? Are you interested in cloud computing? Are you seeking a career in cybersecurity? Based on your career goals, so should your IT certification goals. So, rather than try to provide you a comprehensive list of entry-level IT certifications, I’ll discuss the ones I think are the […] ## Pages - [Udemy Free Zero Trust Course](https://instructoralton.com/udemy-free-zero-trust-course/): Thank You for Learning with Me on Udemy! You’ve already invested in your cybersecurity knowledge. Now let’s build on that foundation with your free next course. Your Free Course: Zero Trust Security Fundamentals for IT Professionals As a thank you for being one of my Udemy students, I’d like to offer you free access to my complete Zero Trust Security Fundamentals course (normally $49.95). What You’ll Learn in This Free Course This 4-hour course provides vendor-neutral coverage of the security strategy transforming enterprise security: Zero Trust Foundations: Core principles, “never trust, always verify,” essential definitions, and historical evolution Why Zero […] - [Udemy Free Cybersecurity Course](https://instructoralton.com/udemy-free-cybersecurity-course/): Thank You for Learning with Me on Udemy! You’ve already taken an important step in building your IT knowledge. Now let’s continue that momentum with your free next course. Your Free Course: Cybersecurity for Absolute Beginners – Essential Concepts As a thank you for being one of my Udemy students, I’d like to offer you free access to my complete Cybersecurity for Absolute Beginners: Essential Concepts course (normally $49.95). What You’ll Learn in This Free Course This 4-hour course builds the perfect foundation for your cybersecurity journey: Understanding Hackers: White Hat vs Black Hat, motivations, and the 5-step hacking methodology […] - [Free Course](https://instructoralton.com/free-course/): Our Free IT Course Shows You… How to Create Your Own Windows 10 and Server 2016 VirtualBox Lab from Scratch! Create Your Own Windows 10 and Server 2016 Lab at Home With VirtualBox Are you looking to expand your knowledge of Windows 10 and Windows Server 2016, but don’t have a dedicated lab to do so? If so, this is the perfect course for you! In this course, I’ll show you step-by-step, how you can use VirtualBox, a free virtualization software platform, to create your own virtualized lab on your home computer that’s isolated from your physical network, which is […] - [Blog Articles](https://instructoralton.com/our-blog-articles/) - [Courses](https://instructoralton.com/courses/): Our Courses All of our courses are hosted on Udemy.com. Using the links below, you can enroll in any of our courses for 70% to 80% OFF via the purchase links below. Introduction to Computer Networks for Non-Techies Information Security Management Fundamentals for Non-Techies Introduction to IP Addressing and Subnetting the Easy Way (6,463 Reviews)  4.5/5 (4,232 Reviews)  4.5/5 (773 Reviews)  4.8/5 15 Hours • 180 Lectures • Beginner 10.5 Hours • 118 Lectures • Beginner 4 Hours • 35 Lectures • Beginner Enroll Today Enroll Today Enroll Today MTA 98-366 Network Fundamentals Class & Practice Exam […] - [About Us](https://instructoralton.com/about-us/): About Alton Alton Supports Your Career goals. aspirations. Alton Hardin is an educator, self-published & best-selling author, and full-time IT and Business professional with 20 years of experience, that has a fond love for teaching and helping his students excel. He has earned two graduate degrees, an M.B.A. and M.S. in IT Network Management; moreover, he currently holds multiple IT industry certifications, including the CISSP, ITIL, Security+, Network+, Project+, eJPT, MTA, and several other certifications. Alton has always had a fond love for teaching. As an undergraduate, he group tutored chemistry students and as a graduate student, he taught a […] - [Contact Us](https://instructoralton.com/contact/): Contact Us CONTACT FORM - [Home](https://instructoralton.com/): On-Demand IT Training Start Learning IT Today to Advance Your Career… Trusted by 200,000+ Professionals Get Started Today for Only $1 Students Worldwide + Online Courses + Customer Satisfaction % Why Alton Hardin Hi, I’m Alton Hardin. For those who don’t know me, I’m an educator, best-selling author, and full-time IT and Business professional with 20 years of experience. And I have a confession: I’m passionate about teaching and helping my students succeed. I know how frustrating it can be to feel like you’re not reaching your potential. But I also know that with the right guidance and support, anyone […] ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/instructoralton.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)