Spamming Microsoft 365 Like It’s 1995
Summary
The article discusses how Microsoft 365's default direct send feature can be exploited to send spam, reminiscent of 1995 techniques. This method allows attackers to impersonate legitimate senders within the Microsoft 365 ecosystem.
IFF Assessment
FOE
The exploitation of a default feature in a widely used platform to send spam and potentially phishing emails is detrimental to defenders.
Defender Context
Defenders should be aware of the potential for spoofing within Microsoft 365 environments, even with seemingly legitimate sender addresses. This highlights the importance of robust email filtering and user education to detect and prevent sophisticated phishing and spam campaigns.