Every year, ransomware attack incidents increase. In 2019, there were approximately 184 million malware threats detected worldwide, and that number is expected to rise to 300 million in 2020. These attacks are not limited to big companies; even small businesses and individuals can be exposed and suffer. Ransomware works quite differently compared to traditional threats. In this article, we will explore how ransomware works, how to detect it, and what measures you can take to prevent it from infecting your devices.

What is Ransomware, and How Does it Work?

Ransomware is a type of malware that encrypts the data on a computer system and demands a ransom payment to restore access to it. These attacks typically target companies and organizations, but individuals can also be affected. The malware encrypts specific files or an entire system, preventing the user from accessing it. Once the malware has taken hold, the user is usually presented with a screen that demands payment in return for a decryption key.

Ransomware attacks can occur through several different methods:

1. Phishing Emails: The most common method is through phishing emails that appear to be from legitimate sources. Malicious links or attachments within the email can infect the user's device and allow the ransomware to take hold.

2. Malicious Websites: Another way ransomware can be delivered to your device is through malicious websites that contain fake ads or download links.

3. Unpatched Vulnerabilities: Ransomware can also attack your computer when you visit an unsecured website or when software is outdated. Attackers look for vulnerabilities in these systems, which they can exploit so that the ransomware can be installed.

Once the malware infects your computer or device, it begins to encrypt your data. It may only encrypt specific files, or it may encrypt the entire system. The ransomware will then display a message demanding payment in exchange for a decryption key. This message often includes a warning that the data will be destroyed or released publicly if the payment is not made.

How to Detect Ransomware

The first step in preventing ransomware is detecting it. Early detection can often neutralize the threat before any significant damage is done. Here are some signs that you may be infected with ransomware:

1. Encrypted Files: If you attempt to open a file and receive an error message stating that the file is encrypted, this may be a sign of an infection.

2. Strange or Unknown Files: If you notice files on your device that you don't recognize or remember downloading, this could be a sign of an infection.

3. Network Delays: Ransomware often slows down your device, leading to network delays, especially when attempting to access specific applications or websites.

4. Pop-Up Message: As mentioned earlier, ransomware typically displays a message demanding payment. If you receive such a message, this is a clear indication that your device is infected.

Preventing Ransomware

Prevention is the best method to protect yourself from ransomware attacks. Here are some tips on how to prevent ransomware from infecting your devices:

1. Keep Your Devices Updated: Always installed the latest updates on your computer software and devices.

2. Install Quality Antivirus and Antimalware Software: A high-quality antivirus and malware software are your best defense against ransomware.

3. Train Your Employees: Employees are at a high risk of falling victim to phishing or other social engineering scams. Training them on how to recognize and avoid these threats is crucial.

4. Regular Data Backups: Regular data backups of your files and data can help you quickly restore access in the event of an infection.

5. Monitor Network Traffic: Regularly monitoring your network traffic can help identify any signs of an attack before it spreads to other devices.


Ransomware attacks are increasing each year, and it's becoming more critical than ever to take measures to protect yourself and your organization. Understanding how ransomware works and knowing how to detect and prevent it is key to successful prevention. With the right combination of measures, you can keep your data and devices safe from ransomware attacks. Remember, when it comes to ransomware, taking proactive measures is essential. Once the malware takes hold, the chances of restoring your data without paying the ransom become slim.

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