This new cybercrime technique makes it easier for criminals to send fake emails
Hackers can use a flaw in SMTP servers to spoof legitimate email addresses
Source: techradar.com
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Hackers can use a flaw in SMTP servers to spoof legitimate email addresses
Introducing a novel technique for e-mail spoofing
Microsoft Exchange Online and Ionos vulnerabilities have been patched, but check your configuration for Cisco Secure Email Gateway.
Attackers can spoof millions of email addresses to create targeted phishing attacks using flaws in Microsoft, GTX, and Cisco Secure Email Gateway servers.