Basic Command Line Tools CompTIA Security+ Objectives 2.2 – CompTIA A+ Objectives Core 2 – 1.4 Ping Ping is a command used to measure the latency between two devices on a network. The ping command is available on every operating systems and is a measure of the latency we feel in everything we do online,… Read more »
Monthly Archives:: October 2019
Ransomware
Ransomware CompTIA Sec+ Objectives 1.1 Ransomware is a type of malicious software that infects a computer and restricts users’ access to it until a ransom is paid to unlock it. Ransomware variants have been observed for several years and often attempt to extort money from victims by displaying an on-screen alert. Typically, these alerts state… Read more »
Comparison of IPv4 and IPv6
Comparison of IPv4 and IPv6 Basic Comparison Description IPv4 IPv6 Address 32 bits long (4 bytes). Address is composed of a network and a host portion, which depend on address class. Various address classes are defined: A, B, C, D, or E depending on initial few bits. The total number of IPv4 addresses is 4… Read more »
Multi-factor authentication
Two-Factor or Multi-Factor Authentication (2FA or MFA) CompTIA Security+ Objective 4.1 and CompTIA Network+ Objective 4.2 What is two-factor or multi-factor authentication (2FA or MFA)? Multifactor authentication ensures that a user is who they say they are. The more factors are used to determine the identity of a person, the greater the reliability of the authenticity…. Read more »
Phishing
Phishing What is Phishing and How to Detect Phishing Attacks? Part of CompTIA Security+ Objectives 1.2 Phishing is an email scam designed that appears to be from a legitimate company and ask you to provide sensitive information. Cybercriminals use phishing to attempt to obtain sensitive information such as credit card details and login credentials, by… Read more »
Cloud Security: How Secure is Cloud Data?
Cloud Security: How Secure is Cloud Data? Saving documents, photos, videos and reports on a computer’s hard drive? That’s becoming almost quaint. Today, people are more frequently saving their files in the cloud, storage space not located in their computers or devices but on servers hosted by third-party providers. The positives of storing data and… Read more »
