Professor Messer

Hardware Vulnerabilities video title page

Hardware Vulnerabilities – CompTIA Security+ SY0-701 – 2.3

Our hardware can also be a useful attack vector for an attacker. In this video, you’ll learn how firmware, end-of-life announcements, and legacy platforms can potentially put our data at risk. << Previous Video: Cross-site Scripting Next Video: Virtualization Vulnerabilities >> If you look at your local network at home and in your office, you’ll […]

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November 2023 A+ Study Group video title page

Professor Messer’s CompTIA 220-1102 A+ Study Group – November 2023

Professor Messer’s CompTIA A+ Core 2 Course Notes and Practice Exams: Click here to learn about my Core 2 A+ downloadable PDF Course Notes and Practice Exams. How well do you know your A+ exam objectives?Follow along with our Q&A in this replay of our November 2023 Core 2 CompTIA A+ Study Group. Audio Replay

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Cross-site Scripting video title page

Cross-site Scripting – CompTIA Security+ SY0-701 – 2.3

Attackers can often use our browsers against us. In this video, you’ll learn how a browser vulnerability can provide an attacker with access to a third-party website. << Previous Video: SQL Injection Next Video: Hardware Vulnerabilities >> In this video, we’ll talk about cross-site scripting. And you may see this also abbreviated as XSS. It

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Operating System Vulnerabilities video title page

Operating System Vulnerabilities – CompTIA Security+ SY0-701 – 2.3

Our operating systems can contain numerous vulnerabilities. In this video, you’ll learn how attackers use these vulnerabilities and how to protect your systems from unwanted intrusion. << Previous Video: Malicious Updates Next Video: SQL Injection >> One of the things you’ll constantly hear security professionals discuss is the need to keep operating systems patched to

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Malicious Updates video title page

Malicious Updates – CompTIA Security+ SY0-701 – 2.3

Many operating systems and applications perform automated updates. In this video, you’ll learn how attackers can use this feature to gain access to our systems. << Previous Video: Race Conditions Next Video: Operating System Vulnerabilities >> You often hear myself and many other security professionals tell you to always keep your operating systems up to

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Race Conditions video title page

Race Conditions – CompTIA Security+ SY0-701 – 2.3

Most applications perform multiple transactions and processes at the same time. In this video, you’ll learn how attackers can take advantage of this characteristic with a race condition. << Previous Video: Buffer Overflows Next Video: Malicious Updates >> A race condition is when two events happen at nearly the same time with an application, and

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Memory Injections video title page

Memory Injections – CompTIA Security+ SY0-701 – 2.3

Attackers can manipulate information in RAM to gain elevated access. In this video, you’ll learn how memory and DLL injections are used in an attack. << Previous Video: Other Social Engineering Attacks Next Video: Buffer Overflows >> The software that runs on your computer all runs inside of memory. Nothing executes on your computer unless

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