Information Assurance and Security

  What is SIEM? SIEM stands for Security, Information and Event Management and it's pronounced SIM, "E" is silent when pronouncing. The main purpose of SIEM is, it is a system that collects log files, security alerts and events into one place. So security teams can more easily analyze data. An in another way you can think of a SIEM as a log management system specialized for security. How does SIEM work? SIEM collects all the information from other security systems like endpoint security, endpoint security, firewalls, intrusion detection systems. The logs and alerts from these systems needed to be stored centrally. So that analysts didn't have to go to each individual security product to conduct the investigations. Above image shows the tasks done from SIEM tool.  SIEM offer powerful log search features, the ability to trigger alerts using rules and reports that organizations can provide to auditors to demonstrate compliance with various regulations. The new SIEM is up...

  What is Ethical Hacking Ethical hacking is the process of assessing the security posture of a system to know the weakness and  Vulnerabilities in the system in a lawful manner. The need for the Ethical hacker With the booming internet across the country, people tend to use apps, social media, digital payments were aroused. Human sensitive data should be also stored in a database. Then security for these data was really needed. Methodologies such as writing codes and reverse engineering to find out the threat in a particular system or network, which a malicious attacker may find and cause data loss or financial loss to the individual or an organization. Knowledge required to become an ethical hacker. In order to enter the security filed in the IT industry, you should know areas very well such as Networking, Programming, Databases, Operating systems. If you think, you have some knowledge about those areas, you can start hacking. But the most important thing is you should stay ...

What is Ransomware? Ransomware is a type of malware that encrypts a victim's files. The attackers then demand a ransom(extortion money or some asset) to restore access to the data upon payment. There are two main types of ransomware. Crypto Ransomware Locker Ransomware Crypto Ransomware encrypts valuable files on a computer and default users can not access them. Locker Ransomware does not encrypt files, it locks the victim out of their device. And demand ransom to unlock the device. How Ransomware works One of the most common delivery systems is Phishing spam attachments that come to the victim in an email. Once the victim open or downloaded, attackers can access the victim's computer. Especially from social engineering tools, they can make users into allowing admin access. There are many things the malware may do, once they get access to the victim's computer.  Most common action is encrypting files of the victim's pc and requesting ransom to release it. But some forms...

  What is "G"  That 1 G, 2G, 3G,4G and 5G are different generations of mobile networks, 1980 to 2020. "G" convey the meaning of the generation. As shown in the above image, every decade, a new generation was introduced with a specific set of standards with each generation. Especially the speed of those networks is increased. Journey From 1G to 5G 1G 1G was the first generation and it was the wireless telephone technology introduced in 1980 and completed in early 1990. Its speed was up to 2.4kbps. It allows the voice call in only one country. 1G network was using only analogue signals. what do you believe that compared to today's world and in 1G technology?. Amps were first launched in the USA in 1G mobile. Although 1G was the biggest revolution of its time. But in 1G there were a lot of drawbacks such as poor voice quality, the poor battery life, no security anybody can hake your limited capacity and poor handoff reliability. Because of that world move to the 2G...