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Google spoofed via DKIM replay attack: A technical breakdown
Learn how a Google spoof used a DKIM replay attack to bypass email security and trick users with a fake subpoena in this real-world phishing case.
Curious and concerned, I examined the email headers and link previews in a sandbox environment, a secure setup isolated from production systems, specifically designed for this kind of research. The sender address looked like an official Google no-reply domain The branding and language were polished and professional There were no obvious grammar issues or suspicious attachments. Attackers can embed deceptive content(fake login screens, credential harvesting forms, misleading CTAs) under a domain that would normally pass casual user trust and even automated link validation checks.
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