IS USING INTERNET SAFE?

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Many people surf the Internet as part of their work activities, others visit a wide range of pages to stay fully informed of the news in the world, perhaps simply to complement their educational training or to entertain themselves during leisure hours. But everyone wonders if it is really possible to surf safely on the internet and that is precisely what this article is about. What Is Internet Security? Within the operating rules and policies that are part of the management of the websites to which users have access, a series of parameters have been established in order to prevent and control unauthorized entry to the resources available within Internet. This is part of internet security and its goal is to maintain a level that allows users to enter each page without risks to their computer or the integrity of their personal information. Therefore, talking about security is having ways to prevent, protect and avoid unauthorized intrusion to private networks, such as corporate or ev...

4 MOST FREQUENT COMPUTER ATTACKS

As well as new technologies, Internet-based computer threats have evolved over the decades, to the point that today they have become one of the main concerns of people and companies who need to keep their devices safe and protect information from diverse nature. In this regard, a study is prepared on security risks in information technology (IT), revealed that 82% of companies worldwide have suffered between one and five incidents of exposure, leakage or data loss in the last 12 months. As a result of these kinds of incidents, 10% of them lost access to critical information for a week and 15% experienced outages that prevented them from conducting business for more than seven days.

most frequent computer attack
Precisely due to these latent risks, information security has become a real priority for companies of all scale, with special emphasis on SMEs, organizations that tend to be more vulnerable to these attacks.

Therefore, here we detail the four most frequent computer attacks today and the prevention and correction measures recommended to face them.

1. Malware

The malware or software malware is a category of software designed to infiltrate and damage an information system without being detected. Although malware is employed to refer during a general thanks to malicious software, there are differing types of malware that answer their own characteristics and different behaviors. Among the most used malware, the virus stands out, a malicious code that infects the files on the device in the form of an executable file (or .exe file), and which uses the ignorance of users to infect a computer.

Other known malwares are worms (software somewhat more sophisticated than viruses, which creates copies of itself in order to affect other computers), Trojans (programs designed to enter security systems and allow access to other malicious files ), spyware (programs that spy on a device to obtain private information and that can install other malicious software ) and the now famous ransomwares , which hijack the valuable information of a device, in order to request a transfer in cryptocurrency or digital currencies by way of rescue.

To minimize the danger of malware, it's important to possess powerful antivirus software. In the case of companies, additionally, staff must be trained so that they do not open email attachments from unknown or unreliable sources.

2. DDoS attack

It is one of the most frequent attacks on the Internet. Also known as "denial of the distributed service" (which comes from the English "distributed denial of service"), it consists of blocking access to a site web and, simultaneously, the attack on the server by entering a large volume of junk information (for example, filling in forms with false data or sending requests). This causes a saturation in the server flow, crashes the website or determines the loss of connectivity in this space. Typically, these attacks they are made through computers infected with Trojans.

A basic measure to take to avoid a DDoS attack is to add the protection option against this type of attack to the firewall or to install an anti-DDoS system or a best antivirus software that gives protection against this type of threat. Although the most advisable thing is to ask the Internet service provider to enable DDoS protection from your network, since it has a greater protection capacity and the attack is mitigated before consuming resources from the contracted Internet.

3. Phishing

The Phishing is a method used by attackers to impersonate a user or company by an electronic communication (email, instant messaging, etc.), in order to obtain personal and banking data.

Although phishing is not a direct attack against a website or its servers, this method seeks to divert the flow of customers, income or searches to a fake portal. Although it focuses its attacks on stores or online sales portals, phishing is additionally frequent on sites that provide financial services or on those websites that maintain a constant flow of credit. A persistent way of forcing user confusion is by advertising the looks of the fake site on internet and even paying to seem first in search engines.

To avoid falling into this type of attack, it is important to verify that the sender of any email corresponds to the entity to which it claims to belong and that it does not contain strange letters or characters. Another way to identify these fake sites is to observe that the "safe site" label appears in the address bar and to be wary of links inserted in our e-mails.

4. Baiting

It consists of an attack aimed at infecting computers and networks from removable storage devices such as pen-drives, SD cards or external hard drives. Through these computers, attackers introduce files infected with malware. As it is a malicious software that enters externally to the computer, the attack strategy is usually to place these external storage devices in the vicinity of the company, in order for them to be used and connected to corporate computers by staff.

Logically, the best way to avoid an attack of this type will be to make your collaborators aware of the importance of not connecting unknown storage devices and only using those inventoried by the company and having full security by using antivirus in your device

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