RootkitsĪ rootkit is a set of tools and programs utilized by attackers to take complete control over your computer system and completely maintain their presence undetected for as long as they wish without your knowledge. A logic bomb will often contain code that is designed to execute malicious activity such as deleting files, stealing data, etc. Logic bombs are sets of instructions on a website’s server that cause it to perform a task or trigger an event when specific conditions are met. The compromised computers are fraudulently controlled by the attacker who effectively has control over thousands of machines at once for criminal purposes such as sending out spam emails, launching distributed denial-of-service (DDoS) attacks, etc.

Botnetsīotnets are large networks of internet-connected devices infected by malware, usually consisting of computers running software such as Microsoft Windows. It does not need to be attached to another executable file or placed inside an archive to infect your PC – it can run on its own. WormsĪ worm is a type of malware that replicates itself and spreads either by email, instant messaging or file-sharing networks. Ransomware is malware that encrypts all the files located on the infected computer’s hard drive, so they become unusable until a ransom is paid by the owner to have them decrypted again using specialized software tools. This can take the form of “keyloggers” which track every keystroke that happens on your keyboard as well as many other things such as recording Skype conversations and recording Internet browsing history. Spyware is a form of malware that monitors your computer activities and sends information about them back to its source, often without you even knowing it occurs or what data has been gathered. There are two types of viruses, known as “boot sector” and “file” viruses boot sector viruses reside in the computer’s startup boot sectors while file viruses are attached to other executable files. VirusesĪ virus is a program or piece of code that attaches itself to another file and spreads throughout computer systems without the user’s knowledge. Most Trojans are disguised as useful programs but will contain harmful software such as keyloggers which can steal your passwords and other confidential information. 4 Frequently Asked Questions about MalwareĪ Trojan horse program, is one of the most common types of malware,a malicious program that claims or pretends to be something else to trick you into installing it.

3 How to Protect Your Business from Malware.

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