If you’ve been keeping up with the news, you might have seen headlines about the WannaCry ransomware attack that took place earlier this year. This malware spread quickly and easily because it exploits a vulnerability in the Windows operating system. But how did it get onto so many computers in the first place? It turns out that hackers can use ports to spread malware, and in this article, we’ll show you how they do it.

What are ports?

As we all know, computers communicate with each other using ports. Ports are like virtual doorways that allow data to flow in and out of a computer. There are different types of ports, and each one has a specific function. For example, there are ports for email, for web browsing, and for file sharing.

Unfortunately, ports can also be used by hackers to spread malware. This is because ports provide a way for malware to enter a computer without being detected by security software. Once the malware is inside the computer, it can wreak havoc by deleting files, stealing information, or even taking control of the entire system.

Fortunately, there are ways to protect your computer from this type of attack. One way is to use a firewall which will block incoming connections from known malicious IP addresses. Another way is to keep your security software up-to-date so that it can detect and remove malware before it has a chance to do any damage.

How do hackers use ports to spread malware?

Ports are used by computers to connect to each other and communicate. They are like virtual doorways that allow data to flow in and out. Every program that uses the internet has a port number assigned to it.

Hackers can exploit these port numbers to gain access to a computer and spread malware. They will often scan a range of IP addresses looking for open ports. Once they find an open port, they can then use it to connect to the target machine and install malicious software.

One way to protect your computer from this type of attack is to use a firewall. This will block all incoming connections from unknown sources. You can also change the default port numbers for programs to something that is not commonly used. This will make it more difficult for hackers to find an open port to exploit.

How can you protect yourself from port-related attacks?

If you’re worried about hackers using ports to spread malware, there are a few things you can do to protect yourself. First, make sure that all the ports on your computer are properly firewall-protected. This will help to keep out any unwanted connections. Secondly, be careful about what programs you allow to access your computer’s ports. If you’re not sure whether a program is safe, don’t allow it access. Finally, keep your antivirus and anti-malware software up to date. This will help to detect and remove any malicious software that manages to get onto your system.


Hackers can use ports to spread malware, but there are ways to prevent it. By closing unused ports and keeping your firewall up-to-date, you can help protect your computer from attacks. If you think your computer has been infected with malware, run a scan with an anti-malware program to remove the threat.