Email Attack
Cybersecurity statistics about email attack
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Conversational attacks comprise 18% of all malicious emails.
Stolen login credentials led to the most damaging email-related healthcare breaches in 2025, exposing more than 630,000 patient records.
Nearly one-third of all healthcare email incidents were attributed to vendor and business associate email exposure, making it the most frequent attack pattern.
Approximately 17% of healthcare email breaches were the result of phishing-driven mailbox takeovers.
Less than one-fifth of total healthcare email incidents involved identity abuse via stolen credentials, yet these remained the most damaging type of attack.
In 2025, a malicious email attack occurs every 19 seconds, more than doubling from 2024’s pace of one every 42 seconds.
76% of initial infection URLs in abalyzed phishing attacks were unique and have not appeared in other campaigns across Cofense's customer base.
82% of malicious files have unique hashes that traditional pattern-matching fails to detect.
Abuse of legitimate remote access tools increased by 900% by volume.