Email delivery service abused for spoofing HMRC emails
https://www.bleepingcomputer.com/news/security/hmrc-phishing-scam-abuses-mail-service-to-bypass-spam-filters/
Threat actors are exploiting legitimate SendGrid mailing service to spoof HMRC phishing emails that bypass spam filters.
The known issue has been repeatedly exploited by scammers to evade detection from email security products, yet no concrete solution has been found yet.
