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Cybersecurity statistics / Data Exfiltration

Related statistics

The average volume of data stolen per undisclosed ransomware incident was 743 GB in Q1 2026.
BlackFog, 27/05/2026
Data exfiltration occured in 96% of ransomware attacks in Q1 2026.
BlackFog, 27/05/2026
In 35% of cases where data exfiltration occurred, the malicious insider absconded with data through multiple paths such as a combination of email and cloud or USB storage device and cloud.
Google Cloud, 27/05/2026
In one intrusion, data exfiltration began within four minutes of initial access.
CrowdStrike, 27/05/2026
The quickest data exfiltration attack in 2025 took just 6 minutes versus over 4 hours in 2024.
ReliaQuest, 27/05/2026
73% worry unauthorized AI use is creating invisible data exfiltration paths.
DTEX, 27/05/2026

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