Kaspersky is antivirus software that defends your system against viruses, ransomware, and other online threats. This antivirus software protects you while web surfing sessions by blocking harmful sites. Kaspersky antivirus automatically creates a backup of files and other important documents. Kaspersky software provides real-time protection against computer viruses, spyware, and other online threats. However, the Kaspersky login is needed before using this software on your device.