Pablo Gallardo

Pablo Gallardo

Cybersecurity and IT professional. Find more info at pmgallardo.com

nmap Syntax

This post summarizes common syntax and parameters used with command nmap. To understand the meaning of each parameter, you may read about network discovery scanning techniques, as in “CISPP Study Guide 9th Edition”, pp. 732-733. nmap Syntax Parameters Those scans…

TCP Communication Flags

There are six TCP communication flags: List of TCP Communication Flags SYN SYN, also known as synchronize, notifies the transmission. ACK ACK, also known as acknowledgment, confirms the receipt. FIN FIN, also known as finish, announces that it will not…

Cloud Deployment Models

This post features different types of clouds. This post is part of the introduction to cloud computing. Virtual Private Cloud (VPC) Featured Cloud Deployment Models Cloud Deployment Models: Private Cloud: A private cloud, also known as internal or corporate cloud,…

Security Testing Methodologies

Security Testing Methodologies: List of Security Testing Methodologies Open Web Application Security Project (OWASP) Open Web Application Security Project (OWASP) is the Open Web Application Security Project, which is an open-source application security project that assists the organizations to purchase,…

Types of Security Controls

Types of Security Controls: Preventive: Prevent security violations and enforce various access control mechanisms. Detective: Detect security violations. Corrective or recovery: Used to restore systems. Deterrent: Used to discourage. Compensating: Used as an alternative control when the intended controls failed.…