Software and Application Security

Introduction Fuzzing is a powerful technique used in software security testing and quality assurance to identify vulnerabilities and weaknesses in applications. By providing unexpected or random inputs to a program, security testers can observe how the software reacts and uncover potential security flaws. This method is widely used to detect memory corruption, crashes, and unhandled […]

Fuzzing may seem like a modern cybersecurity innovation, but its origins date back further than one might expect. The journey of fuzzing began in the 1980s, during a time of rapid growth and transformation in computing. Initially, fuzzing was an informal practice—developers and researchers would input random data into their programs to observe their behavior.

What is Fuzzing? Fuzzing, or fuzz testing, is an automated software testing technique designed to uncover vulnerabilities by bombarding programs with unexpected, malformed, or random data inputs. This process helps identify bugs, security loopholes, and system failures that traditional testing methods may miss. Why Use Fuzzing? Just as engineers test the structural integrity of bridges

As software threats continue to evolve, security professionals must adopt proactive strategies to identify vulnerabilities before attackers exploit them. One of the most effective techniques in software security is fuzz testing (fuzzing), an automated method that uncovers security flaws by feeding unexpected or random data into a program. Alongside fuzzing, integrating security into the Secure

Introduction A format string vulnerability is a security flaw that occurs when user-controlled input is used as a format string in functions like printf, sprintf, or fprintf. This vulnerability can lead to memory leaks, arbitrary memory writes, and even remote code execution. Often referred to as “buffer overflow’s nasty little brother,” format string vulnerabilities are

Introduction Buffer overflow attacks are among the most dangerous vulnerabilities in software security. Attackers exploit buffer overflows to execute malicious code, often gaining unauthorized access or escalating privileges. This article explores how attackers craft buffer overflow exploits, including NOP sleds, shellcode injection, and return address manipulation. Additionally, we will discuss defensive measures such as stack

Introduction A buffer overflow is a common programming error that occurs when a program writes more data into a buffer than it was allocated to hold. This overflow can corrupt adjacent memory, leading to unpredictable software behavior such as memory access violations, incorrect results, program crashes, and critical security vulnerabilities. Attackers can exploit buffer overflow

Malware analysis is a critical skill for cybersecurity professionals, allowing them to dissect malicious software, understand its behavior, and develop countermeasures. One essential aspect of malware analysis involves understanding memory layout, as many attacks exploit vulnerabilities in how programs manage memory. The Role of Memory Layout in Malware Analysis Malware often manipulates memory to achieve

Efficient and secure software execution relies heavily on understanding how memory is structured and managed. In x86 architecture, memory is segmented into different regions, each serving a distinct purpose in program execution. This article provides an in-depth look at memory layout, stack frames, and the role of memory management in cybersecurity. Virtual Memory and Process