DoS attack
A hacker attack on a computer system in order to bring it to failure, that is, the creation of such conditions under which bona fide users of the system will not be able to access the system resources provided, or this access will be difficult. The failure of the "enemy" system can also be a step towards mastering the system. But more often it is a measure of economic pressure: the loss of a simple service that generates income, bills from the provider and measures to avoid an attack significantly hit the pocket of the "target". Currently, DoS and DDoS attacks are the most popular, as they allow you to bring almost any poorly written system to failure without leaving legally significant evidence.

What is a keylogger?
A keylogger is a program that registers user actions on a computer and logs the following dаta: the time of the session on the computer, the time of launching and closing individual programs, which documents and when were opened, the addresses of visited websites, which files were downloaded from the Internet, all keys pressed (i.e. all passwords, codes and logins).

Invisible Internet Project I2P (Invisible Internet Project)

The I2P network (Invisible Internet Project) is an "overlay" network, i.e. an independent network that does not intersect with the Internet in any way and operates according to its own laws. This is the so-called network over network. Inside I2P, all transmitted traffic is securely encrypted and if someone intercepts it, it will be very, very difficult for him to decrypt anything. In addition, IP addresses are not used in the I2P network, so it is almost impossible to determine your IP address and establish personal data. Let's look a little more into what I2P is.

Threats from the Internet or "Who needs me and my computer?"

A lot of people neglect the basic rules of network security, because they think that it is absolutely not important. Many years ago there was a time when I thought: "Yes, who needs me and my computer?" and also ignored the rules of Internet security.

How and why to protect your home Wi-Fi network?
Currently, home wireless Wi-Fi networks are very popular. They are created even if there is only one computer in the apartment, as it is very convenient when the wireless router is in the corridor, and you can connect to the Internet from any device anywhere in the apartment. As a rule, modern wireless routers do not even require any configuration, or it is minimal.

Deleting files from a computer without the possibility of recovery
When you delete a file, even after deleting it from the trash, it doesn't actually disappear from the hard drive. It's just that all data about it is erased from the system table, which contains information about files that are located on the hard disk. Therefore, it will not be difficult for a specialist to restore a deleted file. In addition, this "deleted" file can be stored on your hard drive for months,

How to securely encrypt the contents of your computer?
If you have confidential documents that you would like to securely protect so that no one can open them except you, then there are several ways to do this. For example, set a password for an MS Word file or archive. Yes, it is not difficult to set a password for an MS Word file or archive, but this method is the most unreliable, since it will protect only from amateurs. There is another very reliable way to protect data – it is their encryption.

How to create a password that is difficult to crack? How to store passwords securely?
How do I create a strong password?
Creating a strong password is very simple, follow these simple rules:

How to protect your social network page or email account from hacking?
Many users create very simple passwords, such as 1, 123, qwerty, qwe, qwerty12345, 123456789, thinking who needs my account, and then experience unpleasant emotions when their account is hacked. What can I say if the smartest programmer in the world, the owner facebook.com Mark Zuckerberg had the password “dadada" for his Twitter and Pinterest accounts until it was made public by a group of hackers.

How to protect your email from interception?
From this article you will learn how to securely encrypt your email, as well as make it anonymous (i.e. hide your IP address if you need to make sure that no one can find out who the email came from)

How to run your blog anonymously?
Earlier, we discussed in detail how important it is to change your IP in order to be anonymous, what is a distributed Tor network and what are VPN services, and now let's talk about how to create and maintain an anonymous blog.

Tor browser: change your IP for free
, bypass restrictions on access to your favorite websites, be completely anonymous and encrypt all transmitted information

How to maintain anonymity on the Internet: expert advice
They say there is no anonymity on the Internet. But is this really the case, and how to go unnoticed?

Is anonymity possible on the Internet?
We understand who needs anonymity on the Internet and whether it is easy to achieve it

How to achieve maximum anonymity from a laptop or computer
The fact that we are being monitored every day is no secret to anyone, and your correspondence from VK or search queries will be given at the first request of law enforcement agencies. I am the one who was directly affected by this topic.

Today I will teach you how to anonymize your traffic and location as much as possible while sitting at your workplace.

I am not encouraging you to illegal actions, this manual and all subsequent ones are just a review of tools for certain needs.