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Email attacks overtook exploits as the top ransomware root cause last year. Multifactor authentication (MFA) was deployed in 97% of credential-based attacks but failed to prevent compromise.
One threat actor claims to have already gathered email addresses and associated hashes from more than 110 remote IT management databases.
Three newly discovered SMTP smuggling attack techniques can exploit misconfigurations and design decisions made by at least 50 email-hosting providers.
State-sponsored actors continue to exploit CVE-2023-23397, a dangerous no-interaction vulnerability in Microsoft's Outlook email client that was patched in March, in a widespread global campaign.