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VerSprite emulates realistic cyber attacks by a malicious actor using PASTA Threat Modeling (Process for Attack Simulation and Threat Analysis). Our risk-based threat modeling methodology consists of 7 stages for simulating cyber attacks and analyzing threats to the organization and application. This allows our pentesters, redteamers, and cybersecurity analysts to help your organization identify critical vulnerabilities and minimize real-world risks associated business impact. Learn More →
linux tutorial for beginners
This research series examined the Linux OS in detail and discussed everything from its architecture to the drivers and even the exploits. Today, we conclude the comprehensive research of Linux with an overview of its main elements.
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Batuhan Irmak
operating system
To summarize again briefly, syscall is an instruction that lowers the privilege level of the currently running application to 0 and allows the program to be performed in higher privilege using the required registers. In this section, we look at the Syscall instruction at the assembly level and try to analyze it in detail.
ubuntu (operating system)
We already know that the entire Linux operating system is written in C. And not just the operating system, but many binaries that run on it are written in C. Although there are multiple reasons for this, the main reason is that C is a very fast and powerful language.
linux commands
As we discussed in the previous parts, the Linux Kernel is a collection of code written entirely in C. This is important to keep in mind while we are dealing with the attack floats because the vulnerabilities found in the Linux Kernel can be found in any executable file written using the C programming language.
linux
In this section, we explore how these boundaries and privileges are shaped and even how they can change. We analyze User Mode and Kernel Mode, what the modes were developed for, and how the two are related.
android (operating system)
In the next series of articles, we conduct extensive research on Linux operating system. We do a deep dive into its architecture, strengths, vulnerabilities, and optimal ways to mitigate threats to the system
Secure Protocols
Universally Unique IDentifiers, also known as UUIDs or GUIDs, are 128-bit numbers used to uniquely identify information in computer systems. As the name implies, UUIDs should be for practical purposes unique and ideally hard to guess. BUT BE CAREFUL! An attacker might be able to predict future UUIDs.
Matias Choren
Web Application Security
Even if your organization is running a backend web service that doesn’t support HTTPS, there are still options to use HTTPS, such as using Let’s Encrypt and Nginx. Transport Layer Security (TLS) is very important to protect your website from malicious code injections.
Mark Rood
Exploitation of Vulnerabilities
When performing red teaming engagements, you typically have to assess the Wireless infrastructure used by the target in an attempt to find a way to set foot on their network infrastructure, and then search for completing your goals (which usually include obtaining sensitive business data or accessing critical systems).
Juan Caillava
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