5 Things To Protect Against Cryptojacking Attacks
Digital currencies have proven to be a dynamic market attracting more than just investor enthusiasm. With cryptocurrency hitting an all-time high, threat actors quickly learned they could mine for cryptocurrency by using malicious scripts to do the job for them with minimal overhead.
In this eBook, we will take a look at the five ways to identify and protect against cryptojacking.
What is Cryptojacking?
Cryptojacking involves the unauthorized access and use of computing resources to mine for cryptocurrency. Gaining access to an individual’s computer or server is the easy part. Mining for cryptocurrency is a detailed and costly endeavor due to the amount of computing power needed to quickly solve mathematical equations and verify transactions to be rewarded for the proof of work. Cryptojacking serves as a workaround for miners who prefer not to use their own resources to mine for cryptocurrency.
How Cryptojacking Attacks Succeed
The best defense for cryptojacking is to first understand how it can infect and drain an organization’s computing power. Some common ways that cryptojacking is deployed throughout an organization include the following methods:
Phishing is frequently a gateway to file-based cryptojacking. This type of attack can lead to an end-user clicking on a malicious link that loads cryptomining scripts to a computer.
5 Ways To Protect Against Cryptojacking Attacks
LET’S REVIEW FIVE WAYS TO IDENTIFY AND PREVENT CRYPTOJACKING ATTACKS :
Monitor digital assets
Consistently monitor digital assets for high central processing unit (CPU) usage, especially within your cloud infrastructure. Review your billing to ensure any costs associated with soaring CPU usage are legitimate.
Train your organization’s IT department to understand and detect cryptojacking malware. They should have a full understanding of common signs of an attack to take immediate steps to mitigate an attack.
Educate your employees with continuous cybersecurity awareness training. Your employees can act as a human firewall by understanding common signs of cryptojacking on their local machines, especially if they experience performance issues or suspicious emails.
Employ an MDR
Monitor your network and email for malicious links and traffic with a managed detection and response (MDR) service that can provide your organization with 24/7 monitoring along with a security operations center (SOC) that can review alerts to ensure fast remediation.
Monitor for Overheating
Implement temperature-based monitoring within your data center or on-premises hosting to detect overworked hardware throughout your digital assets. Overheating is the first sign of an exhausted CPU.
As cryptojacking yields lucrative results, with minimal effort, we will continue to see an influx in cryptojacking attacks. As cryptocurrencies continue to rebound, the chaotic ups and downs will attract bad actors looking to capitalize on these dynamics.
As long as their malicious scripts can run local commands on a machine, attackers can use this access to start mining cryptocurrency. Midsize and enterprise organizations will continue to be prime targets for these types of attacks, which can result in negative effects on their overhead costs. Attacks of these types can be detected by using an MDR service provider as they will be able to detect the increase in unusual activity on your networks. Learn more about cryptojacking and how to protect your organization from these types of attacks in our whitepaper: Cryptojacking: Stop Attackers From Mining on Your Dime.
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