In the February 2023 Patch Tuesday, Microsoft fixed a remote code execution vulnerability in Microsoft Word, tracked as CVE-2023-21716. The vulnerability is critical, having a CVSS score of 9.8 out of 10, and could allow an attacker to execute code with the same privileges as the victim through rich text format (RTF) documents.

Microsoft SharePoint is one of the most popular platforms for collaboration and content sharing within internal teams and even with external users. Therefore, ensuring SharePoint security is vital to helping your company avoid costly data breaches and business disruptions. This article details the key best practices for protecting your SharePoint sites, whether you are using on-prem SharePoint Server or SharePoint Online version.

Once written off as a failed CMS incapable of generating a significant user base, Microsoft’s SharePoint has continually defied expectations to become one of the most widely-used ECM and Collaboration products ever. It caters to over 200 million users and 250,000 organizations, including 85% of Fortune 500 companies. SharePoint is a user-friendly intranet portal and provides a consolidated center for document sharing, tracking, and overall project management.

Microsoft SharePoint enables users to share files with coworkers in just a few clicks. However, external sharing is just as easy— which puts the security of your sensitive data at risk. To help you control external sharing of files and folders without interfering with legitimate collaboration, this article details the external sharing settings available in the Microsoft administrative interfaces and offers best practices for configuring them.

Over the last two decades, the M365 service capabilities have developed rapidly and have evolved into a more complex version. In addition, the Security & Compliance Centre has rapidly expanded in response to the rising sophisticated attacks. Office 365 user numbers have reached approximately a whopping 345 million," broadly aligning with the 17% y-o-y increase in commercial revenue.

A lot has changed since Sumo Logic last gave our two cents on how to secure Office 365. In the meantime, Office 365 has become Microsoft 365 (M365), and Sumo has continued evolving and expanding its security offering. Today’s threat actor is adept at compromising M365 accounts through various methods. Stealing credentials through phishing email campaigns and brute-force attacks has become commonplace.

Microsoft 365 E5 is an enterprise cloud-based suite of Microsoft Office productivity apps combined with advanced voice, analytics, security, and compliance services. It is an upgrade over lower tiers E1 and E3. Though threat protection features are included in all Microsoft or Office 365 subscriptions, an E5 license provides some advanced features.