Communauté de la médecine nucléaire
Cybersecurity investigations often require more than identifying that an attack has occurred. Security teams need to understand what happened, how the incident started, which systems were affected, and what evidence can help explain the event. Digital forensics supports this process by collecting, preserving, and analyzing digital evidence from computers, networks, mobile devices, and other systems. […]
Organizations depend on digital systems to store information, communicate with customers, process transactions, and manage daily operations. These systems can face risks from malware, unauthorized access, data breaches, human mistakes, and other security issues. A cyber security risk assessment helps an organization identify these risks, understand their potential impact, and determine which areas require stronger […]
Running an application does not always require developers to manage servers directly. AWS Lambda provides a serverless computing model where code runs in response to events without requiring teams to maintain the underlying servers. Developers can upload their application logic, configure how it should be triggered, and let AWS handle the infrastructure needed for execution. […]
Web applications frequently open additional tabs or browser windows when users click external links, complete authentication steps, or interact with third-party services. During automated testing, Selenium needs to identify these separate browser contexts and move between them correctly. Selenium handles this using window handles, which provide unique identifiers for each active browser context. This allows […]
Security teams need ways to spot unauthorized activity before it becomes a larger security incident. Honeypots provide a controlled environment designed to attract or observe suspicious users, automated scanners, and attackers. Since legitimate users normally have no reason to interact with a properly isolated honeypot, activity directed toward it can provide useful security signals. Understanding […]
Modern applications often need to handle multiple tasks without waiting for each task to finish before starting another. Python supports concurrent programming through several approaches, including threading, multiprocessing, asynchronous programming, and concurrency utilities. The suitable approach depends on whether the application is handling network requests, file operations, CPU-intensive calculations, or other workloads. Understanding these options […]
Organizations store and transmit large amounts of sensitive information, including customer details, financial records, employee information, credentials, and business documents. If attackers gain unauthorized access to this data, the consequences can include financial losses, privacy violations, and reputational damage. Data encryption helps reduce these risks by converting readable information into an encoded form that cannot […]
Modern web applications rely heavily on cookies and sessions to remember users, maintain login states, store preferences, and manage authentication. When testing these applications, Selenium WebDriver lets you read, add, modify, and delete browser cookies. It can also interact with sessions by controlling the browser that holds the session information. Understanding how cookies and sessions […]
Large Python applications often rely on many external libraries and packages. As a project grows, managing the correct package versions, isolated environments, and reproducible installations becomes increasingly important. Poor dependency management can lead to version conflicts, inconsistent development environments, and deployment problems. Python provides several tools and practices for managing dependencies effectively, including virtual environments, […]
Applications often need to perform tasks that involve waiting, such as API requests, database operations, file access, or network communication. Running these tasks one after another can leave the program waiting unnecessarily. Asynchronous programming lets Python applications start an operation and work on another task while waiting for the first to complete. Python provides the […]
Python applications often depend on external libraries and frameworks to provide additional functionality. Managing these dependencies effectively becomes especially important when working on multiple projects with different requirements. Python provides pip for installing and managing packages, while virtual environments create isolated spaces for project-specific dependencies. Together, these tools help developers maintain organized and reliable development […]
Ethical hacking involves identifying security weaknesses before they can be exploited by malicious attackers. One of the first steps in this process is gathering information about the target environment. Open Source Intelligence (OSINT) plays a crucial role by collecting publicly available information from legal and accessible sources. This information helps ethical hackers understand an organization’s […]