Globe Ed Network Fundamentals

https://www.globed.net/courses/back-to-networking-basics In this Networking Basics Workshop we will be learning the following: REFERENCE MODELSETHERNET STANDARDS AND SPECSTRANSMISSION METHODSTOPOLOGIES NETWORKING DEVICESIPV4 ADDRESSINGHEX CONVERSIONCISCO ROUTER AND SWITCH BASICCISCO ROUTER AND SWITCH CONFIGURATIONLAYER 2 SWITCHING  LAYER 3 ROUTINGLAYER 3 ROUTING USING L3 SWITCHING RECORDINGS …

WhatsApp Vulnerability

A now-patched high-severity security vulnerability in WhatApp’s image filter feature could have been abused to send a malicious image over the messaging app to read sensitive information from the app’s memory. https://thehackernews.com/2021/09/whatsapp-photo-filter-bug-could-have.html

DDoS attacks in high bandwidth bursts

https://www.darkreading.com/threat-intelligence/ddos-attacks-hitting-victims-in-high-bandwidth-bursts Security firm Imperva culled the intelligence from nearly 5,600 network-level attacks encountered by its clients to find that attackers continued to increase the intensity of attacks as they also shortened attack duration. More than half of the attacks lasted eight minutes …