The attacker proceeds to encrypt specific information that can only be opened by a mathematical key they know. By clicking a disguised link, the user downloads the ransomware. Ransomware is commonly part of a phishing scam. Ransomware is malicious software that gains access to sensitive information within a system, encrypts that information so that the user cannot access it, and then demands a financial payout for the data to be released. Because not all adware is malicious, it is important to have protection that constantly and intelligently scans these programs. Additionally, significant levels of adware can slow down your system noticeably. Adware can redirect your browser to unsafe sites, and it can even contain Trojan horses and spyware. While adware is not always dangerous, in some cases adware can cause issues for your system. AdwareĪdware is malicious software used to collect data on your computer usage and provide appropriate advertisements to you. A specific type of spyware is a keylogger, which records your keystrokes to reveal passwords and personal information. Spyware is often used to steal financial or personal information. Rather than simply disrupting a device's operations, spyware targets sensitive information and can grant remote access to predators. Spyware is malicious software that runs secretly on a computer and reports back to a remote user. Unlike normal viruses and worms, Trojan viruses are not designed to self-replicate. This can be extremely harmful to the performance of the device. But once the user downloads it, the Trojan virus can gain access to sensitive data and then modify, block, or delete the data. Trojan viruses are disguised as helpful software programs. Like viruses, worms can severely disrupt the operations of a device and cause data loss. A worm infects a device through a downloaded file or a network connection before it multiplies and disperses at an exponential rate. Unlike viruses, worms do not need host programs to disseminate. WormsĪ worm is a type of malicious software that rapidly replicates and spreads to any device within the network. As a result, viruses can cause significant operational issues and data loss. Viruses are designed to disrupt a system's ability to operate. Once downloaded, the virus will lie dormant until the file is opened and in use. A virus is malicious software attached to a document or file that supports macros to execute its code and spread from host to host.
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