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In this tutorial, we will learn to check for null, undefined, or blank variables in JavaScript. There is no particular built-in library function to check whether a variable is undefined or null. Still, we can use some operators such as typeof operator and equality operator to check the variable. Before we proceed with the tutorial, let’s clear the doubt between the null, undefined, or blank variable. Null VS Undefined We can say that the Null and undefined variables are almost the same but not identical. Undefined variable − It is a variable not declared in the program, and the ... Read More
In this tutorial, we will learn to change the value of an attribute in JavaScript. To build web applications, the most programmer uses three languages. HTML, CSS, and JavaScript. The HTML is used to create the base for the web page, CSS for styling, and JavaScript adds the dynamic behaviours to the web page. Users have seen on many websites that it changes the element's style when they just click on the button. We can make it happen using JavaScript. Using JavaScript, let’s look at setting the new attribute for the HTML element or changing the attribute values dynamically. To ... Read More
In this tutorial, programmers will learn to change the font size of the text using JavaScript. Many application allows users to change the font size according to users’ requirement. We need to change the default font size using JavaScript to achieve that. Before we move ahead with the tutorial, let’s learn what values we can assign to the fontsize. Different values users can assign to the font size We can assign the below values to the font size of any element. Every values changes the font size differently which we have explained here. xx-large | x-large | large | ... Read More
A cloud access security broker (CASB) is a software that resides between a cloud service customer and a cloud service provider on-premises or in the cloud. When data stored in the cloud is accessible, it acts as a tool for enforcing an organization's security standards through risk identification and legal compliance. The trustworthiness of this watchdog tool to block malware and other dangers from penetrating a system and prevent data theft helps boost confidence in using cloud services in general. Customers of cloud services have already experienced benefits from using it. In fact, it's one of the most crucial improvements ... Read More
Server Message Block (SMB) A client/server protocol called SMB (Server Message Block) controls access to files, whole directories, and other network resources, including printers, routers, and network interfaces. The SMB protocol may be used to handle information sharing between the various processes in a system, sometimes referred to as inter-process communication. The protocol was created in 1983 by IBM's IT division, and throughout the years, it has undergone several revisions and implementations. SMB was initially made accessible to the general public as a feature of the OS/2 LAN Manager and LAN Server network operating systems. Since the Windows operating system ... Read More
Romance scams happen when scammers create a false online person to win the victim's love and trust. The con artist then manipulates the victim and steals from them under the guise of a loving or close relationship. Romance scammers are professional at what they do and will appear sincere, compassionate, and believable. The majority of social networking and dating websites host con artists. The goal of the con artist is to become friendly with the victim as soon as possible, win her favor, and acquire her trust. Scammers may make preparations to meet in person and propose marriage, but ... Read More
LockBit ransomware is harmful malware meant to prevent users from accessing computer systems unless a ransom is paid. LockBit will automatically disseminate the infection over the network, look for valuable targets, and encrypt any accessible computer systems. Highly specific assaults against businesses and other organizations utilize this malware. LockBit attackers have created a name for themselves by posing the following threats to businesses around the world − Essential operations are interrupted, and they abruptly stop. The hacker is engaging in extortion for personal benefit. If the victim does not cooperate, blackmail tactics include data theft and unauthorized dissemination. ... Read More
You've undoubtedly watched the movie GoldenEye if you're a Bond fan. The name of the ransomware program, GoldenEye, was inspired by this. The name of the hacker collective is also borrowed from the film. In the movie GoldenEye, the Janus Syndicate, a Russian organized crime group, exploits the instability caused by the fall of the Soviet Union by breaking into the control systems of two Soviet satellites. Petya and Mischa are the names of these satellites. They then fire GoldenEye, an electromagnetic pulse weapon. The Petya ransomware was created b" a Russian hacker gang that adopted the moniker Janus and ... Read More
A cybercriminal organization known as Egregor focuses on a particular subset of ransomware operations. In Western magic, the collective energy of a group of people working together toward a shared goal is referred to as Egregor. It is believed that after ceasing operations in October 2020, the prominent cybercrime group Maze's ransomware developers founded Egregor. The extensive scope of Maze's ransomware assault attempts gave the newly established Egregor group a significant foundation to build upon. After successfully breaking into Barnes & Noble, video game developers Crytek and Ubisoft, and Barnes & Noble, in October 2020, Egregor gained a reputation for ... Read More
Malware that makes use of Microsoft Office macros is called Dridex malware. Hackers may use it to steal financial data and other user identifiers. It often takes the form of a spam email with an attached Word document. Dridex virus emerged from an earlier product dubbed Zeus Trojan Horse, according to cybersecurity specialists. When anything is downloaded or otherwise integrated, usually without the end user's knowledge, it enters the system as what appears to be a secure application or product and causes havoc. Zeus Trojan Horse, a type of banking malware with backdoor access points that is self-replicating and ... Read More