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Articles by Ayushi Bhargava
127 articles
What is Cryptography? (Definition, Process, and Types)
The study of secure communications techniques that enable only the sender and the intended recipient of messages to read its contents is known as cryptography. The word "kryptos" comes from the Greek word "kryptos, " which means "hidden." It is closely linked to encryption, which is the process of scrambling plaintext into ciphertext and then back again when it's received. In addition, cryptography includes techniques such as microdots and merging to obfuscate information in photographs. Ancient Egyptians were known to ...
Read MoreWorking of Different layers in Computer Network
Have you ever wondered how different layers of the network work together to send messages? Before going into details, let us first understand some basic terms.Address Resolution Protocol (ARP) request is a protocol that converts IP addresses to MAC addresses.A routing table is a set of rules, usually displayed in tabular format, used to determine the routing location of data packets transmitted over an Internet Protocol (IP) network.In a typical network, the host device or main computer has all the layers and on the other hand, the router has a network, data link layer and a physical layer.ExampleAssuming that we ...
Read MoreWhat is Cybersecurity Mesh?
Unfortunately, the COVID-19 outbreak provided numerous possibilities for criminal actors to prey on vulnerable, suddenly-removed personnel. In 2021, inadequate security postures will allow hackers to continue infecting businesses with ransomware, leading to data breaches, according to TechRepublic. As companies migrate to anyplace operations, cybersecurity investment is only natural to rise this year. What is Cybersecurity Mesh? Today there are two buzzwords in cybersecurity: ZeroTrust and Cybersecurity Mesh. Although the concept of a zero-trust architecture has been around for almost two decades, using it to design your security infrastructure just became popular approximately four years ago. On the other hand, Cybersecurity ...
Read MoreWhat is Behavior Monitoring in Cybersecurity?
What is Behavior Monitoring? Behavior Monitoring is the process of collecting and analyzing the network information to detect malicious activities. It is also referred to as network behavior analysis (NBA) or network behavior anomaly detection. Behavioral monitoring software analyses data from various sources and employs machine learning to spot trends that could indicate an attack is underway. In IT, behavioral monitoring checks and controls end-user, device, and network behavior patterns. The baseline is a model behavioral profile that the monitoring solution creates for individuals and devices. For each person, device, or app, a baseline would be set. This becomes easier ...
Read MoreHow to Choose a VPN Provider?
What is a VPN? A VPN is a way to secure your privacy, but selecting one is a trust exercise. You're giving third-party access to a lot of your internet data, so you want to make sure they'll keep it safe and not misuse it. It can be difficult to know which VPN providers are trustworthy if you're new to using one. There are, fortunately, steps you can take to evaluate a VPN company before committing. Here's how to evaluate a VPN provider so you can decide whether or not they're worth your time and money. Check the Provider's Logging ...
Read MoreHow Does Ingress Filtering Help with Cyberattack Detection?
What is Ingress Filtering? Enterprises and Internet Service Providers (ISPs) utilize ingress filtering to prevent suspicious traffic from entering a network. Ingress filtering inspects all inbound packets and then accepts or denies admission to the network depending on the information in the packet header when implemented on an edge device such as a router or firewall. Packet filtering is what it is. One of the primary blockades in a network security plan is ingress traffic filtering. Its goal is to thwart cyberattacks, particularly denial of service (DoS) operations involving IP address spoofing. Ingress traffic filtering can be defined as a ...
Read MoreHow Does Egress Filtering Prevent Cyberattacks?
Egress filtering is the practice of monitoring or restricting outgoing data, usually through the use of a firewall that stops packets that do not match particular security standards. The word “egress” means “outgoing, ” and an egress router is one that allows packets to exit one network and enter another. Egress filtering’s major goal is to prevent undesirable or harmful traffic (such as malware, illegal E-mail messages, or requests to Web sites) from leaving a network. A firewall, for example, might be used to prevent students on a university’s campus network from sending viruses or infringing content from any of ...
Read MoreDoes Linux Need Antivirus?
Linux is well known for being a secure operating system. Its permission-based framework, which prevents common users from doing administrative tasks by default, preceded numerous advancements in Windows security. Many people believe that Linux antivirus software isn't essential or significant. This is a misconception for both desktop and server users. This article discusses how this operating system works and why it requires security. What is an Antivirus and How Does It Work? Antivirus software is meant to protect your computer against virus infection. Today's antiviral software comes in a variety of flavors. Some of them are more successful in comparison. ...
Read MoreDo Virtual Private Networks (VPNs) Boost Internet Speed?
VPNs are beneficial to your security and anonymity, but can they slow down your Wi-Fi? When VPNs might provide you with enhanced levels of protection while online, the way they work can slow down your Internet connection. While many people see a drop in connection speeds while utilizing a VPN, others have reported that their connection speeds have actually improved in some circumstances. Is It Possible to Make Your Internet Faster with a VPN? In some circumstances, using a VPN can actually speed up your internet. When your ISP employs bandwidth throttling to target you, your connection is intentionally slowed ...
Read MoreCan Your Netflix Account Be Hacked?
Is it possible that scammers would target your streaming services as well? What would a hacker do with your Netflix account? Here's all you need to know about it. Netflix is now available to millions of individuals all around the world. They may now watch as many movies, TV series, and documentaries as they want without having to pay for each one separately. Hackers have adapted throughout time to take advantage of naïve account owners to steal subscriptions to streaming services. Several people throughout the world have reported compromised Netflix accounts in recent days. What Happens When Netflix Accounts Are ...
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