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Cryptojacking may seem like a relatively harmless crime since the only thing stolen is the power of thecomputer of the victim. But the use of computer power for this criminal purpose is done without the victim’s knowledge and consent, for the benefit of criminals who illicitly create money.
How does cryptojacking work?
The pirates have two main ways to trick a victim’s computer into stealth mining. cryptomonnaies. The first is to trick victims into loading a code of minage of cryptocurrency on their computer. This is done through tactics like Phishing : Victims receive a legitimate-looking email that encourages them to click on a link. The link runs code that places the cryptomining script on the computer. The script then runs in the background while the victim works.
The other method is to inject a script on a website or an advertisement that is served on several websites. Once the victims visit the website or the infected advertisement is displayed in their Navigator, the script runs automatically. No code is stored on the victim’s computer. Regardless of the method used, the code runs complex math problems on victims’ computers and sends the results to a server that the hacker controls.
Some scripts of cryptomining have wormy abilities that allow them to infect other devices and servers on a network. It also makes them harder to find and remove; maintaining persistence on a network is in the financial interest of the cryptojacker. To increase their ability to propagate over a network, codes may include multiple versions to accommodate different network architectures. Scripts can also check if the device is already infected with a malware of concurrent cryptomining. If another cryptominer is detected, the script disables it. A cryptominer may also have a mechanism for prevention which runs every few minutes.
Unlike most other types of malware, cryptojacking scripts do not harm victims’ computers or data. They steal the resources of the processor. For individual users, slow computer performance may just be an annoyance that they won’t dig into to find the cause.
How to protect yourself from it?
To avoid falling prey to cryptojacking, there is no single protection. On the other hand, various small actions can be taken to protect themselves.
Install a security suite
A security suite can detect all threats and can offer protection against cryptojacking. As with all other precautions against malware, it is better to be proactive and install security before (and in order to avoid) being the victim of an attack. It is also a good idea to install the latest updates and patches for your operating system and all the applicationsin particular those concerning web browsers.
Cybercriminals are constantly modifying code and finding new ways to diffusion to integrate updated scripts into your computer system. By being proactive and staying abreast of the latest threats cybersecurityyou can detect cryptojacking on your network and devices and avoid other types of cybersecurity threats.
Use web extensions for your browser
Cryptojacking scripts are often deployed in web browsers. You can use specialized browser extensions to block cryptojackers on the web like minerBlock, No Coin and Anti Miner. They install as extensions in some popular browsers. Since cryptojacking scripts are often served by online advertisements, installing an ad blocker can be an effective way to stop them. Using an ad blocker like Ad Blocker Plus can both detect and block malicious cryptojacking codes.
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