September 2026
Intermediate
696 pages
17h 43m
English
Content preview from CompTIA® Security+® SY0-801 Certification Guide - Fourth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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7
Explain Types of Vulnerabilities and Attack Surfaces
Modern organizations depend heavily on interconnected technologies, cloud services, mobile devices, applications, and digital infrastructure. While these technologies improve productivity and enable innovation, they also create opportunities for attackers to exploit weaknesses and gain unauthorized access to systems and data. Understanding where vulnerabilities exist and how attackers identify potential entry points is a fundamental part of cybersecurity.
This chapter examines the concepts of vulnerabilities and attack surfaces and explains how weaknesses in hardware, software, networks, applications, operating systems, cloud environments, and user practices can be exploited by threat actors. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.