Kaspersky reveals alarming rise in daily cyber threats: 500 000 malicious files detected in 2025

KASPERSKY’S detection systems discovered an average of 500 000 malicious files per day in 2025, marking a 7% increase compared to the previous year. Certain types of threats saw growth globally - there was a 59% surge in password stealer detections, a 51% growth in spyware detections, and a 6% growth in backdoor detections compared to 2024.

- BR REPORTER

These findings are part of the Kaspersky Security Bulletin series where it reviews the key cybersecurity trends of the past year.

Windows remains the primary target for cyberattacks. 48% of users on Windows were targeted by different types of threats throughout 2025. For Mac users, this figure stands at 29%.

Web threats

Globally, 27% of users were attacked with web threats — these refer to malware that targets users when they are online. Web threats are not limited to online activity, but ultimately involve the Internet at some stage for inflicted harm. In Latin America, 26% of users were attacked by web threats in 2025, while this share reached 25% in Africa, 21% in Europe and 19% in the Middle East.