Pandemic changes the way we live, who would have thought that I can finish my final project without ever coming to my campus? Who would have thought that I could graduate online? Who would have thought that I could be working in a company that I never set my foot on it ever since I work in there?

Photo by Markus Winkler on Unsplash

It's been more than 7 months since I started working as part of IT in one of the biggest cosmetics company in Indonesia. Paragon Technology and Innovation. …


Subnetting is the practice of dividing a network into smaller networks. So why do we need to do subnets? The main purpose of subnets is for the efficiency of network management. Imagine you are in a room full of people and each people talks with their own topic, that's exactly how it looks when we don't use subnets for our network. Subnets help us to groups network according to their own need. With less devices in a network, it would improve network performance and reduce the possibility of network congestion.

Photo by Thomas Jensen on Unsplash

There are two type of subnetting; FLSM (Fixed Length Subnet…


Fig 1. Photo by Glenn Carstens-Peters on Unsplash

Nowadays, everyone uses secured or unsecured computer networks to communicate. This condition makes the possibility of cyber-attacks happen is higher.

So, what is a cyber-attack?

Cyber-attacks is a criminal activity that either targets or uses a computer, a computer network, or a networked device. The attacks are carried out by individuals or organizations.

Some methods that cyber criminals usually use to conduct cyber-attacks are:

  • Malware: Malware is short for “malicious software”. This type of software is employed to bring damage to computing devices and stored content. …

Nadia Saraswati

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