Seyid Arshad

Data Loss Prevention: Protecting Your Crown Jewels in the Digital Age

In today’s data-driven world, information is a company’s crown jewel. However, data breaches and leaks are a constant threat, potentially leading to financial losses, reputational damage, and legal repercussions. This is where Data Loss Prevention (DLP) steps in, acting as a critical security shield for your sensitive data. What is Data Loss Prevention (DLP)? DLPContinue reading “Data Loss Prevention: Protecting Your Crown Jewels in the Digital Age”

Build a Fortress Around Your Data: The Zero Trust Approach

The digital landscape is constantly evolving, and with it, the threats we face. The traditional castle-and-moat approach to security, where a strong perimeter protects everything inside, is no longer sufficient. Enter Zero Trust, a security paradigm that assumes no user or device is inherently trustworthy. This shift in thinking necessitates continuous verification and least privilegeContinue reading “Build a Fortress Around Your Data: The Zero Trust Approach”

Untangling the Security Acronym Soup: XDR, EDR, SIEM, and SOAR.

The world of cybersecurity is brimming with acronyms, each representing a technology or process crucial for safeguarding your organization’s data and systems. But for those new to the field, navigating this alphabet soup can be daunting. This blog post aims to demystify four key terms: XDR (Extended Detection and Response), EDR (Endpoint Detection and Response),Continue reading “Untangling the Security Acronym Soup: XDR, EDR, SIEM, and SOAR.”

Pass-the-Hash (PtH) Attack

At some point when an attacker or a malicious user acquires the password hash, its not necessary decrypt it to get access to the resource, the has can be passed as it is. In a pass-the-hash attack, an attacker steals a user’s password hash (a one-way, encrypted representation of the password) instead of the actualContinue reading “Pass-the-Hash (PtH) Attack”

Cracking the Rainbow: Understanding Rainbow Table Attacks

Imagine a treasure chest overflowing with colorful chains, each a link to a secret password. That’s essentially the concept behind a rainbow table attack, a method hackers use to crack stolen password hashes. Here’s the breakdown: Rainbow Table Attack Example (Hypothetical Scenario): Download a sample rainbow table or create rainbow tables using rainbowcrack Since hashesContinue reading “Cracking the Rainbow: Understanding Rainbow Table Attacks”

Windows and Secure authentication mechanism

Storage of Password Hashes Windows does not store passwords in plaintext; instead, it stores hashed versions of passwords. However, Windows does not use MD5 for password hashing. Instead, it uses NTLM (NT LAN Manager) hashes, specifically: NTLM (NT LAN Manager) has been used in various versions of Windows for network authentication, including: NTLM continues toContinue reading “Windows and Secure authentication mechanism”

Brute Force Password Attacks

Brute force password attacks are a common method used by cybercriminals to gain unauthorized access to systems, accounts, or sensitive data. This type of attack involves systematically trying all possible combinations of passwords until the correct one is found. The process, although time-consuming, can be highly effective, especially against weak or commonly used passwords. MechanismContinue reading “Brute Force Password Attacks”

Hashing and Tools for Decrypting Passwords

Hashing is a fundamental concept in computer science and cybersecurity, particularly in the realm of password security. It involves the process of converting input data (such as a password) into a fixed-size string of characters, known as a hash value or simply a hash. This hash value is generated using a hashing algorithm, which isContinue reading “Hashing and Tools for Decrypting Passwords”

DDoS: Wireshark Packet analysis for an Internal Attack

In the wake of a DDoS attack originating internally within a network, swift identification of the source is crucial for mitigating the threat and restoring normal operations. Leveraging Wireshark as an analysis tool can be instrumental in this process. Upon encountering suspicious network activity, initiate Wireshark to capture packets for analysis. You can achieve thisContinue reading “DDoS: Wireshark Packet analysis for an Internal Attack”

DDoS Attack: An Analysis with Wireshark

Distributed Denial of Service (DDoS) attacks have become a prevalent threat in the digital landscape, disrupting online services and causing significant downtime. To safeguard against these attacks, network administrators and cybersecurity professionals employ various tools and techniques. In this article, we’ll explore how Wireshark, a widely-used network protocol analyzer, can be utilized to analyze andContinue reading “DDoS Attack: An Analysis with Wireshark”