Threat actors are abusing misconfigured MX records and weak DMARC/SPF policies to make phishing emails look internal, ...

As organizations increasingly rely on cloud-based services like Microsoft 365 Exchange for daily communication, a common and potentially dangerous assumption has emerged: that storing data in the ...

Microsoft said that Office 365 tenants with weak configurations and who don't have strict anti-spoofing protection enabled ...

Microsoft alerted Microsoft 365 admins that the phishing alert features will reach all users by mid-February, as Bleeping Computer reports. The new feature will be enabled by default and alert users ...

Microsoft had announced a spam protection measure for Exchange Online. The external recipient limit will not be implemented ...

Microsoft to remove VPN from M365 users. Update, Feb. 4, 2025: This story, originally published Feb. 3, now includes a statement from Microsoft about the removal of ...

Experts welcome Microsoft’s announcement that Exchange Online can now handle Inbound SMTP DANE with DNSSEC to improve email security, but admins may not find it easy to implement. Microsoft’s ...

PITTSBURGH, Nov. 4, 2025 /PRNewswire/ -- Leading cybersecurity provider Hornetsecurity today announced major enhancements to its Teams Protection solution, powered by its AI Cyber Assistant, with the ...

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 ...

Microsoft's new deliverability requirement will have an outsized effect on B2B marketers, with other additional recommendations also likely to impact them more than their B2C counterparts. Let's break ...