Fraudulent schemes designed to deceive email recipients.
Dedicated SendGrid IPs appearing on multiple DNSBLs can hurt email deliverability and sender reputation.
Attackers exploited Google Calendar to send phishing emails, causing DMARC failures for Yahoo recipients.
Unexpected SPF and CNAME modifications bypassed DMARC, raising concerns about domain security with GoDaddy.
A typo-based SPF include exposed how look-alike domains can bypass security.
Spoofing targets depend on domain exposure, authentication gaps, and automation—not company size or staff count.
Even small, lightly-used domains can be exploited for spoofing, phishing, and scams without owner knowledge.
Threat actors abused AppSheet to send phishing emails that passed DKIM and DMARC checks.