![]() ![]() Applications and programmes opening without you clicking anything.You’re getting warnings from your computer, likely from your firewall.Files are missing or locked and you don’t know the password to them.Your email account is sending messages to contacts that you definitely haven’t written.Someone who isn’t you is trying to get into your account.Websites and the internet in general take considerably longer to open.Your computer is slower and freezes or needs to be restarted more often than usual.However, there are certain red flags that could mean you’ve been infected with a worm: Unless you have security software installed, you may not immediately recognise that a computer worm is in your computer. Importing a keylogger, a programme that records everything you type, including account usernames and passwords.Leaving behind malware that deletes the entire operating system or other parts of your computer.Dropping ransomware which locks your files until you pay a ransom.Most computer worms will slow your machine down, while others have evolved to cause damage, for example: While worms spread on their own, they always have a point of entry, for example emails, free programmes downloaded from the internet (especially through peer-to-peer networks) and instant messaging services. So, even though it didn’t carry anything particularly harmful with it like a virus, it was damaging because it made the machines useless until the file was removed from the system. The Morris worm crashed those operating systems because it consumes a large amount of bandwidth – or the speed that powers the internet – while it moves around. In the end, it crashed around 10 percent of it. It was created as an experiment to see how far it could spread on the internet. The first computer worm, the Morris worm, was sent out into the world in 1988 and serves as a good example of how a worm functions. It’s self-sufficient and moves across the world on its own.Ĭomputer worms are dangerous despite the fact they aren’t necessarily associated with other common hacking techniques like stealing information – though they can be.It’s main objective is to move as far as possible, not to cause direct harm.It isn’t sent directly to someone and doesn’t need to be opened or attached to a file to have an impact on a computer.It doesn’t target individuals, but rather any device it can find.Once it’s in there, it’s really hard to stop as it travels far and wide to find its target.Ĭomputer worms differ from computer viruses or other forms of malware in a couple of different ways: ![]() Worms are so dangerous because they exploit known computer vulnerabilities (for example, a problem in a computer’s security system) to get inside a machine. So what is a computer worm?Ī computer worm is a type of malicious software that travels through network connections all over the world to find its targets. You might not even know that you have one slithering around in your system. While ransomware rather loudly announces itself (you need to know you’ve been hacked to cough up the ransom, after all), worms are much more subtle. Worms have been around for decades and in the early days of the internet, they were responsible for some of the biggest hacks in history, causing billions in damage. Sure, the idea of a ‘worm’ doesn’t sound so scary, but they’re a serious threat if you’re not careful. While many of the headlines are given to ransomware, computer worms can be just as devastating. ![]()
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