This course covers a wide variety of IT security concepts, tools, and best practices. It introduces threats and attacks and the many ways they can show up. We’ll give you some background of encryption algorithms and how they’re used to safeguard data. Then, we’ll dive into the three As of information security: authentication, authorization, and accounting. We’ll also cover network security solutions, ranging from firewalls to Wifi encryption options. The course is rounded out by putting all these elements together into a multi-layered, in-depth security architecture, followed by recommendations on how to integrate a culture of security into your organization or team.


IT Security: Defense against the digital dark arts
This course is part of Google IT Support Professional Certificate

Instructor: Google Career Certificates
Top Instructor
302,646 already enrolled
Course
(18,851 reviews)
Skills you'll gain
- Category: Cybersecurity
- Category: Wireless Security
- Category: Cryptography
- Category: Network Security
Details to know

Add to your LinkedIn profile
24 quizzes, 5 assessments
Course
(18,851 reviews)
Build your Information Technology expertise
- Learn new concepts from industry experts
- Gain a foundational understanding of a subject or tool
- Develop job-relevant skills with hands-on projects
- Earn a shareable career certificate from Google

There are 7 modules in this course
Welcome to the IT Security course of the IT Support Professional Certificate! In the first week of this course, we will cover the basics of security in an IT environment. We will learn how to define and recognize security risks, vulnerabilities and threats. We'll identify the most common security attacks in an organization and understand how security revolves around the "CIA" principle. By the end of this module, you will know the types of malicious software, network attacks, client-side attacks, and the essential security terms you'll see in the workplace.
What's included
10 videos11 readings3 quizzes
In the second week of this course, we'll learn about cryptology. We'll explore different types of encryption practices and how they work. We'll show you the most common algorithms used in cryptography and how they've evolved over time. By the end of this module, you'll understand how symmetric encryption, asymmetric encryption, and hashing work; you'll also know how to choose the most appropriate cryptographic method for a scenario you may see in the workplace.
What's included
16 videos10 readings5 quizzes
In the third week of this course, we'll learn about the "three A's" in cybersecurity. No matter what type of tech role you're in, it's important to understand how authentication, authorization, and accounting work within an organization. By the end of this module, you'll be able to choose the most appropriate method of authentication, authorization, and level of access granted for users in an organization.
What's included
14 videos5 readings2 quizzes
In the fourth week of this course, we'll learn about secure network architecture. It's important to know how to implement security measures on a network environment, so we'll show you some of the best practices to protect an organization's network. We'll learn about some of the risks of wireless networks and how to mitigate them. We'll also cover ways to monitor network traffic and read packet captures. By the end of this module, you'll understand how VPNs, proxies and reverse proxies work; why 802.1X is a super important for network protection; understand why WPA/WPA2 is better than WEP; and know how to use tcpdump to capture and analyze packets on a network. That's a lot of information, but well worth it for an IT Support Specialist to understand!
What's included
12 videos10 readings4 quizzes
In the fifth week of this course, we're going to go more in-depth into security defense. We'll cover ways to implement methods for system hardening, application hardening, and determine the policies for OS security. By the end of this module, you'll know why it's important to disable unnecessary components of a system, learn about host-based firewalls, setup anti-malware protection, implement disk encryption, and configure software patch management and application policies.
What's included
9 videos6 readings2 quizzes
Congratulations, you've made it to the final week in the course! In the last week of this course, we'll explore ways to create a company culture for security. It's important for any tech role to determine appropriate measures to meet the three goals of security. By the end of this module, you will develop a security plan for an organization to demonstrate the skills you've learned in this course. You're almost done, keep up the great work!
What's included
16 videos14 readings4 quizzes
You will engage in a series of interactive activities based on concepts you’ve explored and skills you’ve gained throughout the program. You’ll also explore job readiness skills, develop your resume, and practice interviewing for jobs.
Instructor

Offered by

Earn a career certificate
Add this credential to your LinkedIn profile, resume, or CV
Share it on social media and in your performance review

Get a head start on your degree
When you complete this course, you can earn college credit if you apply and are accepted into one of the following online degree programs.
Why people choose Coursera for their career




Learner reviews
Showing 3 of 18851
18,851 reviews
- 5 stars
84.31%
- 4 stars
13.08%
- 3 stars
1.93%
- 2 stars
0.48%
- 1 star
0.46%
Recommended if you're interested in Information Technology

Open new doors with Coursera Plus
Unlimited access to 7,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription
Advance your career with an online degree
Earn a degree from world-class universities - 100% online
Join over 3,400 global companies that choose Coursera for Business
Upskill your employees to excel in the digital economy
Frequently asked questions
Access to lectures and assignments depends on your type of enrollment. If you take a course in audit mode, you will be able to see most course materials for free. To access graded assignments and to earn a Certificate, you will need to purchase the Certificate experience, during or after your audit. If you don't see the audit option:
The course may not offer an audit option. You can try a Free Trial instead, or apply for Financial Aid.
The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
When you enroll in the course, you get access to all of the courses in the Certificate, and you earn a certificate when you complete the work. Your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile. If you only want to read and view the course content, you can audit the course for free.
If you subscribed, you get a 7-day free trial during which you can cancel at no penalty. After that, we don’t give refunds, but you can cancel your subscription at any time. See our full refund policy.