What the Tech?

A technology blog that covers the latest in consumer and enterprise technology.

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What is 5G?

The next generation of mobile data networks is called 5G, and it promises much faster speeds and reduced latency. 5G technology is still in its early stages, but it is already being trialed by major mobile operators around the world.

5G networks will be able to handle much higher data speeds than 4G networks, with peak speeds of up to 10 gigabits per second (Gbps). This will enable users to download movies and high-resolution photos in a matter of seconds.

5G will also have significantly reduced latency, which is the time it takes for data to travel from one point to another. Latency on 5G networks is expected to be around 1 millisecond (ms), compared to around 20-30ms on 4G networks. This will make 5G ideal for applications that require real-time responses, such as virtual reality and gaming.

While 5G is still in its early stages, it is expected to roll out in major markets over the next few years.

What is an Augmented Reality?

An augmented reality is a technology that superimposes a computer-generated image on the user’s view of the real world, thus providing a composite view.

Virtual reality (VR) is a related technology that replaces the real world with a simulated one. Unlike augmented reality, which is an overlay on the real world, virtual reality creates an immersive experience in which the user perceives only the simulated environment.

What is a Bitcoin?

Bitcoin is a decentralized digital currency, without a central bank or single administrator that can be sent from user to user on the peer-to-peer bitcoin network without the need for intermediaries. Transactions are verified by network nodes through cryptography and recorded in a public distributed ledger called a blockchain

What is a Blockchain?

If you’ve been paying attention to the news lately, you’ve probably heard the word “blockchain” thrown around quite a bit. But what exactly is a blockchain?

In its simplest form, a blockchain is a digital ledger of transactions. Every time somebody buys or sells something, the details of that transaction are recorded in a “block.” A group of these transactions are then “chained” together to form a blockchain.

Each block in the chain contains three essential pieces of information:
-The transaction data (e.g., the sender, receiver and amount of bitcoins)
-A timestamp
-A cryptographic hash

The hash is generated using a mathematical algorithm and serves as a unique identifier for each block. It also ensures that the data inside each block has not been tampered with. If someone tries to change even a single letter in the transaction data, the hash will be different than what is stored in the next block in the chain — thus invalidating the entire chain.

This is why blockchain technology is so secure. It’s basically impossible to tamper with data once it has been added to a blockchain. That’s why banks and other institutions are investigating ways to use this technology to speed up and secure their own transactions.

What is a Cyber Attack?

In general, a cyber attack is any type of offensive action that targets computer networks or devices. A cyber attack can be aimed at individuals, businesses, governments, or any other type of organization. The motives for a cyber attack can vary from causing harm or disrupting operations to stealing data or money.

There are many different types of cyber attacks, but some of the most common include:

-DDoS (denial-of-service) attacks: These attacks flood servers with traffic in an attempt to overload them and prevent legitimate users from being able to access them.

-Ransomware attacks: These attacks encrypt victims’ files and demand a ransom in order to decrypt them.

-Phishing attacks: These attacks involve sending malicious emails that appear to be from a legitimate source in order to trick victims into clicking on a malicious link or attachment.

-SQL injection attacks: These attacks allow attackers to execute malicious SQL queries by injectin them into input fields on web applications.

What is a Dark Web?

The Dark Web is a part of the Internet that can only be accessed using special software, and it is often used for illegal activity. The Dark Web is not indexed by search engines, so it can be hard to find information on it. Many people use the Dark Web to buy and sell drugs, weapons, and other illegal things.

What is a DDoS Attack?

DDoS is an acronym for “distributed denial of service.” A DDoS attack is an attack in which multiple machines are used to target a single system, overwhelming it with traffic and preventing it from functioning properly.

DDoS attacks are often carried out by botnets, which are networks of infected computers that have been taken over by a hacker. The hacker then uses these computers to launch attacks without the knowledge or permission of the owners.

DDoS attacks can be very disruptive and can take a website or online service offline for a period of time. In some cases, DDoS attacks can cause permanent damage

What is an Encryption?

An encryption is a mathematical process of encoding data so that it can only be accessed or decrypted by someone with the correct key. Encryption is used in computer systems to protect data from unauthorized access. It is also used in communications systems such as email and messaging apps to protect the privacy of users.

What is the Internet of Things?

The Internet of Things, sometimes called the IoT, is a network of physical objects or “things” that are connected to the internet and are able to share data. This includes everything from devices like thermostats and lightbulbs to everyday objects like cars and refrigerators.

The IoT is still in its early stages, but it has the potential to revolutionize the way we live and work. For example, imagine a world where your fridge can order groceries for you, or your car can automatically call for help in the event of an accident.

The possibilities are endless, and the IoT is already starting to change our lives in small but meaningful ways. With more and more devices being connected to the internet every day, the IoT is only going to become more ubiquitous in the years to come.

What is a Malware?

Malware is a type of malicious software that is designed to damage or disable computers and computer systems. It can be classified into four main types: viruses, worms, Trojan horses, and spyware.

Viruses are small pieces of code that are designed to replicate themselves and spread from one computer to another. They can cause damage to files or programs on the infected computer, and can even render the system unusable.

Worms are similar to viruses, but they are able to spread themselves without the need for a host program or file. This makes them much more dangerous than viruses, as they can quickly infect large numbers of computers.

Trojan horses are programs that appear to be benign, but which actually contain malicious code. This code can be used to damage files or programs on the infected computer, or to give attackers access to the system.

Spyware is a type of malware that is designed to collect information about users without their knowledge or consent. It can be used for identity theft, fraud, and other malicious activities.

What is a Phishing Attack?

Phishing is a type of online attack that tries to trick you into giving out personal information, like your password or credit card number. Cyber criminals usually carry out phishing attacks by sending fake emails or setting up fake websites that look real. They might even pose as someone you know, like a friend, family member, or your boss.

If you click on a link in a phishing email or enter your information into a phishing website, the cyber criminals can use it to commit fraud or steal your identity. That’s why it’s important to be able to spot a phishing attack and know what to do if you get one.

What is a Ransomware?

Ransomware is a type of malware from cryptovirology that threatens to publish the victim’s data or perpetually block access to it unless a ransom is paid. ransom note informs the user that their personal files have been encrypted, and demands payment in order to regain access to the files from the attacker. The note usually includes instructions on how to make payment, and may also offer a decryptor tool in exchange for $1,000–$2,000 worth of Bitcoin. However, there is no guarantee that paying the ransom will actually restore access to your files.

What is a Smart Home?

A smart home is a residence that uses advanced technology to provide homeowners with increased security, comfort, energy efficiency, and convenience.

Smart home technology can include everything from automated security systems and door locks to thermostats and lighting controls that can be controlled remotely by a smartphone or tablet. In some cases, smart homes can even be equipped with features like self-monitoring appliances and robotic cleaners.

The term “smart home” can also refer to homes that are designed and built using principles of green building and sustainable design. These homes often incorporate features like solar paneling and gray water recycling systems in order to reduce their environmental impact.

What is a Social Engineering?

Social engineering is a type of deception where someone tries to trick you into giving them information or doing something that could be harmful. They may try to do this over the phone, by email, or in person. They may pretend to be from a company you trust, or pose as a government official. They may even hack into your social media account to gain your information or contact your friends and family.

What is a Spyware?

Spyware is a type of software that is installed on a computer without the user’s knowledge. It is designed to collect information about the user, such as their web browsing habits, and send it to another party without the user’s consent. Spyware can be difficult to detect and remove, and it can slow down a computer’s performance.

What is a Trojan Horse?

A Trojan horse is a type of malware that is spread by disguising itself as a legitimate file or program. Once it is executed, the Trojan horse will perform the actions that it was programmed to do, which can include anything from logging keystrokes to deleting files. In some cases, a Trojan horse can even allow an attacker to gain remote access to a victim’s computer.

What is a Virus?

At its most basic, a virus is a piece of code that has the ability to replicate itself. When it comes to computers, this replication often happens without the user’s knowledge or permission. Once a virus is executed, it has the potential to cause all sorts of problems, from deleting files to crashing an entire system. Some viruses are designed to simply be annoying, while others can be used to steal personal information or even hold data ransom.

What is a Webcam Hacking?

A webcam hacking is when someone is able to access your webcam without you knowing. This can happen through a variety of means, but the most common is when someone gains access to your computer or laptop through a remote connection. Once they have access to your machine, they can then activate your webcam and start recording you without your knowledge.

There have been a number of high-profile cases of webcam hacking in recent years, with celebrities and politicians being amongst those targeted. In many cases, the hackers have been able to gain access to personal videos and photos that have been taken through the webcam, which has led to a great deal of embarrassment for those affected.

While it is possible to protect yourself from webcam hacking by ensuring that your computer’s security is up-to-date and using a reputable anti-virus program, the best way to avoid it happening in the first place is to be aware of the potential risks. If you are ever unsure about whether or not someone has accessed your webcam, it is best to err on the side of caution and disable it until you can be sure that it is safe.

What is a Wireless Hacking?

A wireless hack is a type of attack that can be carried out without a physical connection to the targeted system. Instead, these hacks exploit vulnerabilities in wireless networks or devices to gain access to sensitive data or systems.

There are many different types of wireless hacks, but some of the most common include:

-Wi-Fi cracking: This type of attack exploits flaws in a Wi-Fi network’s security to gain unauthorized access. Once an attacker gains access to a Wi-Fi network, they can eavesdrop on communications, steal sensitive data, and even inject malicious code into data packets.

-Bluetooth hacking: This type of attack exploits vulnerabilities in Bluetooth-enabled devices or networks to gain access to sensitive data or systems. Once an attacker gains access, they can eavesdrop on communications, snatch files from paired devices, and even take control of the device itself.

-RFID hacking: This type of attack exploits vulnerabilities in RFID tags or systems to track and intercept RFID signals. Once an attacker has access to an RFID tag’s signal, they can track the tag’s movements, clone the tag’s information, and even interfere with the tag’s signal.

What is a Zero-Day Exploit?

A zero-day exploit is a cyber attack that occurs on the same day that a vulnerability is discovered in software or hardware. Zero-day attacks take advantage of vulnerabilities before they can be patched, making them particularly difficult to defend against.

While zero-day exploits can be used for different purposes, such as data theft or spamming, they are often used to install malware on a victim’s computer. Once installed, this malware can be used to remotely control the victim’s machine, steal sensitive information, or even launch further attacks.

Zero-day exploits are notoriously difficult to detect and protect against because they exploit unknown vulnerabilities. However, there are some general best practices that can help reduce the risk of becoming a victim of a zero-day attack, such as keeping software up-to-date and using antivirus protection.