Report by Picus

Blue Report 2025

11 FINDINGSPublished Aug 11, 2025
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Key Findings

Maori, a ransomware strain, had a prevention effectiveness rate of 41%.

PicusBlue Report 2025·Aug 11, 2025
RansomwareMaori

Attacks using valid credentials were successful 98% of the time.

PicusBlue Report 2025·Aug 11, 2025
Valid credentials

Logging coverage held steady at 54%.

PicusBlue Report 2025·Aug 11, 2025
Logging

Infostealer malware has tripled in prevalence.

PicusBlue Report 2025·Aug 11, 2025
Infostealer

BlackByte, a ransomware strain, had a prevention effectiveness rate of just 26%.

PicusBlue Report 2025·Aug 11, 2025
RansomwareBlackByte

BabLock, another ransomware strain, had a prevention effectiveness rate of 34%.

PicusBlue Report 2025·Aug 11, 2025
RansomwareBabLock

Discovery techniques like System Network Configuration Discovery and Process Discovery scored below 12% in prevention effectiveness.

PicusBlue Report 2025·Aug 11, 2025
Discovery techniques

Overall prevention effectiveness declined from 69% in 2024 to 62% in 2025.

PicusBlue Report 2025·Aug 11, 2025
Prevention

Only 14% of attacks generated alerts.

PicusBlue Report 2025·Aug 11, 2025
Cyber attacksAlerts

Data exfiltration attempts were only stopped 3% of the time in 2025. This is down from 9% in 2024, representing a 3x decrease.

PicusBlue Report 2025·Aug 11, 2025
Data exfiltration

In 46% of tested environments, at least one password hash was successfully cracked. This is an increase from 25% in 2024.

PicusBlue Report 2025·Aug 11, 2025
Password