CPU scheduling treats with the issues of deciding which of the processes in the ready queue needs to be allocated to the CPU. There are several different CPU scheduling algorithms used nowadays within an operating system. In this tutorial, you will get to know about some of them.
A botnet is a short form of 'robot network'. The term 'bot' is used when we have to define some automated tasks performed without user intervention. But as this term is used concerning hacking to describe a new breed of malicious threats, we will learn about it with every detail.
Rootkits are a collection of tools or sets of applications that allow the administrator-level access to a computer or a network. These rootkits are fed into the host computer by a cracker (malicious hacker) either by exploiting a known vulnerability of the system or cracking the password.
A computer virus is a program or a piece of code that is specifically designed to spread from computer systems to another computer and interfere with computer operation without the victim's knowledge.
Phishing is an attempt to grab sensitive information and identity, such as credit card details (while doing online transactions or e-marketing- indirectly money), username, and password (while using a personal email account or other social networking sites). The term Phishing […]
System hacking is defined as the compromise of computer systems and software to access the target computer and steal or misuse their sensitive information. Here the malicious hacker exploits the weaknesses in a computer system or network to gain unauthorized access to its data or take illegal advantage.
Mostly, people talk about hacking from the attacking point of view and deal with logical security. Still, physical security is also a matter of concern from both malicious hackers and penetration tester's point of view. Penetration testing against physical targets is also a common phase of testing.
In other words, social engineering refers to the psychological manipulation of a human being into performing actions by interacting with them and then breaking into normal security postures. It's like a trick of confidence to gather information and gain unauthorized access by tricking or doing fraud.