Unlocking the Power of S/MIME: This article will help you understand S/MIME and how to request, configure, and use S/MIME on your devices. What is S/MIME? In today’s digital landscape, the security of sensitive information transmitted via email is critical. One method of safeguarding email communications is through the use of S/MIME (Secure/Multipurpose Internet Mail Extensions). S/MIME is a widely adopted protocol that provides end-to-end encryption and digital signatures, ensuring the confidentiality, integrity, and authenticity of email messages. ...

With Microsoft Defender for Office 365, you can create an attack simulation training to identify vulnerable users and mitigate potential threats before they impact your organization. Think before you click Understanding the intricacies of cybersecurity is crucial in today’s digital landscape. Attack simulation training is indispensable for users as it provides hands-on experience in recognizing and defending against potential threats. This proactive approach empowers individuals to enhance their security awareness, identify vulnerabilities, and contribute to a more resilient organizational defense against cyber attacks. ...

In this post, you find out how DNSSEC and DANE cooperate, and learn how to set up DANE TLSA DNS records. DNSSEC (Domain Name System Security Extensions) The domain name system (DNS) is the phone book of the Internet: it tells computers where to send and retrieve information. Unfortunately, it also accepts any address given to it, no questions asked. DNSSEC adds a security layer to this phonebook. It uses digital signatures to make sure the information in the phonebook can be trusted and hasn’t been tampered with. It’s like putting a lock on the phonebook to prevent DNS spoofing. ...

Safe Links scans URLs in incoming messages and checks the links for malicious content at the time they are clicked. What you can manage with a Safe Links policy With a Safe Links policy, administrators can configure and manage this policy to protect users from clicking harmful links and being redirected to malicious websites. Safe Links provides URL scanning for links in email messages, Microsoft Teams, and supported Office 365 applications. You can create custom Safe Links policies that apply to specific users, groups, or domains. ...

You can use Microsoft Purview to search for specific content in Exchange Online (or SharePoint Online) using Content Search and, if desired, initiate a purge process. This article provides instructions on how to do this. Before getting started Note that you can also use Threat Explorer in MDO by performing a manual remediation or to take action on Advanced Hunting query results in XDR to initiate a hard delete. KQL Query Example: ...