ISO-27001 and ISMS (Information Security Management System)
ISO 27001 is the world’s best-known internationally accepted standard for ISMS (Information Security Management System). ISO published it on 14…
DWDM (Dense Wavelength Division Multiplexing)
DWDM is an advanced multiplexing technology used in fiber optic communication. This technology enables the simultaneous transmission of multiple data…
Fundamentals of Information Security
The information has become important regardless of the type of information in the information age we live in. For this…
Introduction to BGP (Border Gateway Protocol)
The network structure called “internet” today has evolved from the coming together of several small networks working independently of each…
What is VLAN?
Virtual LAN, or VLAN, is the concept of separating the local network into virtual areas. It is located in the…
Network Attacks – 101
In order to ensure security within a network, it is first necessary to master the network structure and identify network…
What is the Split Horizon?
Split Horizon is a technique to prevent the formation of loops while sharing the route information of the Split Horizon…
Symmetric and Asymmetric Encryption (Cryptography)
Encryption is the process of converting human-readable data, namely plain texts, into incomprehensible texts. To tell it simply, that is…
NAC – 802.1x – AAA
NAC is a technology that implements a system for authentication to ensure network security. It enables the automatic operation of…
Secure Socket Layer – SSL
SSL ensures that the communication between the server and the user can be encrypted for general frame and protection during…
What is Content Disarm & Reconstruction (CDR)
Today, almost all cyber attacks take place in order to access information. At this stage, the security of the files…
QoS – 103 – Queuing Methods
Every router must implement a queuing discipline that manages how packets are buffered while waiting to be transmitted. Various queuing…
QoS – 102 – Classification and Marking
As mentioned in detail in my previous article, QoS is a network service that aims to reduce time loss by…
Terraform and IaC
Managing infrastructure is a core requirement for most modern applications. A large number of hardware must be managed correctly in…
Cyber Security Devices
FIREWALL A firewall is a network device that works on the 3rd and 4th OSI Layers, namely Network and Transmission…