06 Dec, 2025

Microsoft Defender for Office 365 now blocks email bombing attacks

Microsoft says its Defender for Office 365 cloud-based email security suite will now automatically detect and block email bombing attacks. Defender for Office 365 (formerly known as Office 365 Advanced Threat Protection or Office 365 ATP) protects organizations operating in high-risk industries and dealing with sophisticated threat actors from malicious threats from email messages, links, […]

2 mins read

3AM ransomware uses spoofed IT calls, email bombing to breach networks

A 3AM ransomware affiliate is conducting highly targeted attacks using email bombing and spoofed IT support calls to socially engineer employees into giving credentials for remote access to corporate systems. This tactic was previously linked to the Black Basta ransomware gang and later observed in FIN7 attacks, but its effectiveness has driven a wider adoption. Sophos […]

3 mins read