Spyware is a computer program that monitors a computer’s activities without their consent. This software could cause privacy issues such as data theft, identity fraud and online stalking. This software could also cause a slowdown to the performance of your computer. However, certain spyware programs are used ethically to monitor spouses and children on the internet for safety concerns.

Spyware’s primary objective is to collect personal information without consent of the user. The private information could include browsing history, email addresses, passwords, or credit card details. This info is often sold to third parties as well as hacking groups and criminals for identity fraud.

In addition to stealing information it can also redirect net searches and display unlimited pop-up advertising on a desktop or laptop. It may also alter the configuration of a computer and diminish its effectiveness by consuming memory, CPU power and hard disk space. This can cause problems which range from freezing applications to connectivity problems.

Anti-spyware safeguards your PC from malware by scanning and eliminating malicious programs from the system. It also helps to prevent the spread of spyware by blocking websites hosting such advantages and disadvantages of anti spyware programs. It is recommended that users only download apps from trusted sources and avoid opening email attachments. It is also essential to disable pop-up blockers on all browsers to stop spyware from tracking user’s actions and delivering messages to advertisers.