Microsoft Copilot for Security Defender External Attack Surface Management Plugin Overview

What is Microsoft Defender External Attack Surface Management (MDEASM)?
Microsoft Defender External Attack Surface Management (MDEASM) continuously discovers and maps your digital attack surface to provide an external view of your online infrastructure… Continue reading Microsoft Copilot for Security Defender External Attack Surface Management Plugin Overview

Leverage Custom Promptbooks to Optimize your Security Workflows

What are Custom Promptbooks?
 
Copilot for Security comes with prebuilt promptbooks, a series of prompts that have been put together to accomplish specific security-related tasks. They can function in a similar way as security playbooks, ready-to-… Continue reading Leverage Custom Promptbooks to Optimize your Security Workflows

Exchange Online to retire Basic auth for Client Submission (SMTP AUTH)

Today, we are announcing that Exchange Online will permanently remove support for Basic authentication with Client Submission (SMTP AUTH) in September 2025. After this time, applications and devices will no longer be able to use Basic auth as an authen… Continue reading Exchange Online to retire Basic auth for Client Submission (SMTP AUTH)

Releasing Windows 10 Build 19045.4353 to Release Preview Channel

Hello Windows Insiders, today we are releasing Windows 10 22H2 Build 19045.4353 (KB5036979) to the Release Preview Channel for those Insiders who are on Windows 10,

The post Releasing Windows 10 Build 19045.4353 to Release Preview Channel appeared first on Windows Blog.

Continue reading Releasing Windows 10 Build 19045.4353 to Release Preview Channel

Exchange Online to introduce External Recipient Rate Limit

Today, we are announcing that, beginning in January 2025, Exchange Online will begin enforcing an external recipient rate limit of 2,000 recipients in 24 hours.
Exchange Online does not support bulk or high-volume transactional email. We have not enfor… Continue reading Exchange Online to introduce External Recipient Rate Limit