Office365_smtp_hits_(03_february_2023).txt May 2026

The "office365_smtp_hits_(03_February_2023).txt" file represents a snapshot of Simple Mail Transfer Protocol (SMTP) traffic within Microsoft 365 environments, typically used in security analysis to identify credential stuffing, open relays, or app password exploitation. These logs, likely from early 2023, highlight unauthorized access attempts that can bypass spam filters and facilitate phishing campaigns if not mitigated by disabling legacy authentication and enforcing multi-factor authentication (MFA). For more information, refer to Microsoft security documentation.