What is Cryptojacking Attack ❓ Definition and Prevention

Cryptojacking definition

  • Cryptocurrency Definition
  • Cryptomining Definition

Future of Cryptojacking

  • Strict law enforcement that makes things tougher for the crypto world
  • Ban of Coinhive

How it Works?

  • The attacker integrated the script for mining in a webpage or an email
  • The code is auto-installed as soon as the target clicks on the malicious code.
  • The script program runs in the background stealthily, controlling the targeted device.
  • The desired resources are consumed as per the need of the attacker.
  • Attackers start mining using the targeted devices’ resources.
  • As the primary step of cryptomining, hackers start cracking the complicated algorithms.
  • Once the algorithm is solved, the hacker can earn the cryptocurrency.

Cryptojacking Methods

  • File-Based Cryptojacking
  • Browser-Based Cryptojacking
  • Cloud Cryptojacking

Real examples of cryptojacking

  1. Microsoft

Detecting cryptojacking. Quick test

  • Poor performance delivery
  • Excessive heating
  • Inspect the CPU usage
  • Keeping an eye on the website

Cryptojacking Prevention Tips and Tricks

  • Use cybersecurity tools that could speedily detect malicious code in your system;
  • Web browsers are the first choice of threat attackers. This is why protecting it is the first defense action. There are a few trustworthy add-ons (e.g., No Coin, AntiMiner, and minerBlock) you may bank upon for this.
  • Be aware of current cryptojacking trends to figure out what all the attackers are capable of currently;
  • Blocking ads from untrusted sources, one can reduce the risks of cryptojacking. For this, you can spend some time and find a reliable ad blocker for your use.
  • Disable JavaScript while visiting a suspicious site or disable auto-downloading in your browser.
  • Use Walarm API Security Platform, also read the important post about API security




CEO at Wallarm. Application security platform to prevent threats and discover vulnerabilities in a real-time.

Love podcasts or audiobooks? Learn on the go with our new app.

Recommended from Medium

The Future is Here: Consentium Crypto Chat App That Monetises 聊天应用程序的未来:嘉信

How To: Mikrotik VPN Setup

{UPDATE} Blokin Hack Free Resources Generator

DeBio — Decentralized Data Privacy Is Critical During Covid-19

ISO 27001 & SOC 2

Top 15 Security Experts to Follow on Twitter in 2018

Security planning for 2019 Part 2

F-Secure SENSE Security Review

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Ivan Novikov

Ivan Novikov

CEO at Wallarm. Application security platform to prevent threats and discover vulnerabilities in a real-time.

More from Medium

WiCYS CyberStart (Tokyo) Challenge 1

What is API Abuse ❓ Prevention measures.

CIS Risk Assessment Method (RAM) v2.1 for Implementation Group 2 (IG2) Workshop

Are You Prepared to Handle a Ransomware Attack?