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Network Security

Exploitation of PAN-OS GlobalProtect Authentication Bypass Vulnerability (CVE-2026-0257)

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CVE-2026-0257- Palo Alto Networks PAN-OS - Authentication Bypass

Introduction In modern enterprise network architectures, perimeter defense systems such as VPNs and edge gateways serve as the primary entry points to internal assets, making them highly attractive targets for cyber threat actors. Because these perimeter solutions are designed to bridge untrusted public space with trusted internal assets, any compromise at this boundary completely dismantles a company’s defense-in-depth model. The CVE-2026-0257 vulnerability

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Active Directory Security

What is Silver Ticket Attack: A Comprehensive Guide

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What is Silver Ticket Attack: A Comprehensive Guide

Introduction A Silver Ticket attack is a stealthy Kerberos exploitation technique that allows attackers to access specific network services in an Active Directory environment by forging service tickets. Unlike Golden Tickets, which provide domain-wide access by compromising the KRBTGT account, Silver Tickets exploit individual service account credentials to impersonate authorized users for targeted resources. These attacks bypass the domain

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Active Directory Security

Responder Tool for Network Credential Capture in Active Directory

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Responder Tool for Network Credential Capture in Active Directory

Introduction Responder is a powerful, open-source Python-based penetration testing tool that directly targets the fundamental weaknesses present in Windows network environments. By manipulating how machines resolve hostnames when DNS lookups fail, Responder intercepts broadcast name resolution requests—specifically those using LLMNR (Link-Local Multicast Name Resolution), NBT-NS (NetBIOS Name Service), and MDNS (Multicast DNS) protocols—and impersonates legitimate network resources. This approach lets attackers seamlessly perform man-in-the-middle (MITM) attacks: when victims

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Active Directory Security

What is LSASS Memory Dumping Techniques: A Comprehensive Guide

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What is LSASS Memory Dumping Techniques A Comprehensive Guide

Introduction As cyber threats continuously evolve and become increasingly sophisticated, attackers persistently target critical system processes to extract valuable credentials and maintain persistent access within compromised environments. One of the most targeted components on Windows systems is the Local Security Authority Subsystem Service, better known as LSASS. This core Windows process is responsible for managing user authentication, enforcing security policies, and

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Cyber Security / Red Team

Advanced Subdomain Discovery with Amass and Cheat Sheet

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Advanced SubdomaIn DIscovery wIth Amass and Cheat Sheet

Introduction OWASP Amass is a robust open-source tool designed for asset discovery, subdomain enumeration, and comprehensive attack surface mapping in cybersecurity. By utilizing both passive and active reconnaissance techniques, Amass supports security professionals in detecting hidden domains, IP ranges, and infrastructure links that might otherwise remain unnoticed during a standard assessment. Its modular features include DNS scanning, recursive subdomain discovery, brute-forcing with wordlists, certificate and

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Network Security

What is Port Knocking Implementation and Security: A Comprehensive Guide

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What is Port Knocking Implementation and Security

Introduction Port knocking is a sophisticated technique in network security that serves as a stealthy access control mechanism for sensitive services and endpoints. By requiring a specific sequence of connection attempts across predefined closed ports, port knocking ensures that network services remain concealed from conventional port scans and unauthorized users, effectively making protected services invisible to attackers during

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Active Directory Security

What is DCSync Attack and Mimikatz Usage in Active Directory

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What is DCSync Attack and Mimikatz Usage in Active Directory

Introduction Active Directory (AD) serves as the backbone of enterprise IT infrastructure, managing user authentication, access control, and security policies across organizational networks. However, this critical infrastructure is frequently targeted by sophisticated attackers seeking to gain unauthorized access and maintain persistence within corporate environments. One of the most devastating attacks against Active Directory is the DCSync attack, a technique that leverages legitimate directory replication mechanisms

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web security

Subdomain Takeover Vulnerabilities and Prevention

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Subdomain Takeover Vulnerabilities and Prevention

Introduction Subdomain takeover is a critical security vulnerability that allows attackers to gain unauthorized control over a subdomain of a legitimate domain through misconfigured or abandoned DNS records. This vulnerability exploits the gap between DNS configuration and actual resource ownership, creating an entry point for sophisticated attacks that leverage the trust associated with legitimate domain names. Unlike traditional

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Network Security

SSH Tunneling and Port Forwarding Techniques: A Comprehensive Guide

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SSH Tunneling and Port Forwarding Techniques

Introduction SSH (Secure Shell) tunneling and port forwarding have become indispensable tools for system administrators, cybersecurity professionals, and developers worldwide. In an era where network security threats continuously evolve and data breaches occur with alarming frequency, the ability to create secure encrypted channels for data transmission has never been more critical. SSH tunneling transforms the ubiquitous SSH protocol from a simple remote

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