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12 10, 2023

Microsoft October 2023 Patch Tuesday: Exchange Server Security Updates

2023-11-17T10:50:55-05:00

Microsoft has released Security Updates (SUs) for vulnerabilities found in: Exchange Server 2019 Exchange Server 2016 SUs are available for the following specific versions of Exchange Server: Exchange Server 2019 CU12 and CU13 Exchange Server 2016 CU23 The October 2023 SUs address vulnerabilities responsibly reported to Microsoft by security partners and found through Microsoft’s internal processes. Although we are [...]

Microsoft October 2023 Patch Tuesday: Exchange Server Security Updates2023-11-17T10:50:55-05:00
10 10, 2023

Why Exchange Servers cause Active Directory User Lockouts and how to Prevent Them

2025-04-22T08:45:04-04:00

Article Summary: This article examines the common Exchange Server attacks that result in Active Directory lockouts and effective techniques to prevent Active Directory user accounts lockouts. By deploying intelligent threat detection, enforcing strong password policies, enabling multi-factor authentication, and monitoring signs of compromise, companies can thwart attackers’ efforts to access mailboxes and maintain business continuity. [...]

Why Exchange Servers cause Active Directory User Lockouts and how to Prevent Them2025-04-22T08:45:04-04:00
3 10, 2023

Exchange in the Crosshairs: Uncovering and Countering Probing Threats

2023-12-13T12:08:34-05:00

Who’s probing your Exchange Server? Today’s systems reveal more information to the internet than intended. If you have an internet facing Exchange Server, it is being probed to discover its specifications, vulnerabilities, and weaknesses. RELATED: Watch a video on High Volume Attacks attacks on Exchange Server Hackers Hackers probe Exchange Servers to identify weaknesses or [...]

Exchange in the Crosshairs: Uncovering and Countering Probing Threats2023-12-13T12:08:34-05:00
19 09, 2023

Celebrating 30 Years: Messageware’s Journey of Success

2023-11-17T13:40:30-05:00

For the past 30 years, Messageware has provided cutting-edge Microsoft solutions, and empowered businesses with tools to enhance their productivity and security. As we celebrate Messageware's anniversary, we reflect on its remarkable journey of innovation and growth. For more information, visit our About Us page. The Early Days Messageware's story began in 1993. Our founder [...]

Celebrating 30 Years: Messageware’s Journey of Success2023-11-17T13:40:30-05:00
21 08, 2023

Microsoft Exchange – Messageware Q3 2023 Newsletter

2023-09-05T13:30:41-04:00

Important: The Aug 8 SU has been withdrawn and re-released by Microsoft due to installation issues in some environments. For more information and what to do if you installed Aug 8 SUv1 you can refer to the Microsoft blog article here: Re-release of August 2023 Exchange Server Security Update packages - Microsoft Community Hub. Otherwise, proceed [...]

Microsoft Exchange – Messageware Q3 2023 Newsletter2023-09-05T13:30:41-04:00
16 08, 2023

Microsoft August 2023 Patch Re-Release: Exchange Server Security Updates

2023-08-16T16:57:01-04:00

Microsoft has re-released Security Updates (SUs) for vulnerabilities found in: Exchange Server 2019 Exchange Server 2016 SUs are available for the following specific versions of Exchange Server: Exchange Server 2019 CU12 and CU13 Exchange Server 2016 CU23 More information from Microsoft about the re-release is available here. The following table describes the actions you need to take based on [...]

Microsoft August 2023 Patch Re-Release: Exchange Server Security Updates2023-08-16T16:57:01-04:00
11 08, 2023

Milestone Achievement: Messageware Software in 55 Countries

2023-08-10T16:12:12-04:00

Great news - Messageware has reached a significant milestone in its journey. Our software is now used in an impressive 55 countries worldwide! Our dedicated team of experts continuously improve our Microsoft Exchange Server security software to stay ahead of ever-evolving cyber threats. We’re proud of our growing client base: 2500+ enterprises in all industries; [...]

Milestone Achievement: Messageware Software in 55 Countries2023-08-10T16:12:12-04:00
9 08, 2023

Microsoft August 2023 Patch Tuesday: Exchange Server Security Updates

2023-09-21T03:22:15-04:00

UPDATE: Microsoft re-released the SU on August 15th, 2023. See more details here. The August 2023 SUs address vulnerabilities responsibly reported to Microsoft by security partners and found through Microsoft’s internal processes. Although we are not aware of any active exploits in the wild, our recommendation is to immediately install these updates to protect your [...]

Microsoft August 2023 Patch Tuesday: Exchange Server Security Updates2023-09-21T03:22:15-04:00
21 07, 2023

How to Change Active Directory Lockout Policy

2025-04-22T08:42:51-04:00

In this article, we'll answer frequently asked questions about how to manage your Active Directory Lockout policy. There is no one-size-fits-all approach to customizing these settings as organizations have different risk levels. For helpful information about what causes frequent Active Directory account lockouts, check out our blog "Solved: Active Directory Account Lockouts and How to [...]

How to Change Active Directory Lockout Policy2025-04-22T08:42:51-04:00
20 07, 2023

New Phishing Attack Distributes Malware through Microsoft Exchange Servers 

2023-07-20T17:07:46-04:00

Microsoft and the Ukraine CERT have identified targeted attacks against the defense industry and Microsoft Exchange servers by a Russian state-sponsored hacking group known as Turla. The attacks leverage a new malware backdoor called 'DeliveryCheck,' a .NET backdoor which can execute second-stage payloads. What makes DeliveryCheck stand out is its Microsoft Exchange Server-side component. The [...]

New Phishing Attack Distributes Malware through Microsoft Exchange Servers 2023-07-20T17:07:46-04:00
17 07, 2023

Outlook Web targeted by Chinese Hacking Group

2023-07-17T07:40:59-04:00

Microsoft confirms that Chinese hackers breached the email accounts of more than two dozen organizations worldwide, including U.S. and Western European government agencies. The attacks were carried out by a threat group tracked as Storm-0558, who used an inactive consumer signing key to create tokens for Azure Active Directory and Microsoft accounts (MSA) to access [...]

Outlook Web targeted by Chinese Hacking Group2023-07-17T07:40:59-04:00
12 07, 2023

Microsoft July 2023 Patch Tuesday: No Exchange Server Updates

2023-11-17T10:52:13-05:00

The Microsoft July 2023 Patch Tuesday update (released July 11) does not include any changes for Exchange Server security. It does address 132 CVEs, nine of which were labelled as "critical." Most notably, this update also fixes six zero-day vulnerabilities that were actively exploited in the wild, as well as thirty-seven remote code execution (RCE) [...]

Microsoft July 2023 Patch Tuesday: No Exchange Server Updates2023-11-17T10:52:13-05:00
15 06, 2023

Microsoft June 2023 Patch Tuesday: Exchange Server Security Updates

2023-11-17T10:53:37-05:00

Microsoft released security updates for Exchange Server on June 14, 2023. While no active threats are currently known to be exploiting these vulnerabilities, IT admins should prioritize patching them as soon as possible. One of the most critical vulnerabilities is a bypass of fixes for two Exchange Server remote code execution bugs. This vulnerability exists [...]

Microsoft June 2023 Patch Tuesday: Exchange Server Security Updates2023-11-17T10:53:37-05:00
7 06, 2023

Exchange Online, Outlook on the Web down again. On-premise not affected

2023-06-07T07:38:51-04:00

Microsoft has confirmed that there are massive issues and outages across Exchange, Outlook, Teams, and OneDrive. The company is currently investigating the cause of the outage and has not yet provided an ETA for when it will be resolved. In the meantime, users are experiencing problems with sending and receiving emails, accessing files, and using [...]

Exchange Online, Outlook on the Web down again. On-premise not affected2023-06-07T07:38:51-04:00
30 05, 2023

Another Microsoft 365 Disruption: The Sixth Instance of Downtime in This Year

2023-06-13T10:08:00-04:00

The recent disruption to Microsoft 365 services resulted in users being unable to access their apps for the sixth time this year. Users had reported difficulties in accessing their Outlook mailboxes, and connection attempts to Microsoft 365 servers were unsuccessful. The company acknowledged these issues in a notification, stating, "User reports indicate that the disruption [...]

Another Microsoft 365 Disruption: The Sixth Instance of Downtime in This Year2023-06-13T10:08:00-04:00
19 05, 2023

Microsoft to Make Edge Browser the Default for Outlook Web Links

2023-11-21T02:08:21-05:00

Microsoft has recently announced its intention to make Edge the default browser for opening web links from the Outlook application. According to the article, this update will affect users of Microsoft 365 services, meaning that any links clicked within the Outlook for Windows app will automatically open in Edge. The originating email with the link [...]

Microsoft to Make Edge Browser the Default for Outlook Web Links2023-11-21T02:08:21-05:00
4 05, 2023

Microsoft Exchange Server Security Strengthened by Messageware with Spamhaus Threat Data Feeds

2023-05-05T03:53:48-04:00

Toronto, Canada – May 3rd, 2023: Messageware Incorporated, the leader in Microsoft Exchange security and productivity tools, announced a new version of their flagship product Messageware Exchange Protocol Guard (EPG). The latest version enhances Exchange Server security with official integration of Spamhaus threat intelligence data feeds. These feeds provide highly accurate, real-time data about systems [...]

Microsoft Exchange Server Security Strengthened by Messageware with Spamhaus Threat Data Feeds2023-05-05T03:53:48-04:00
4 05, 2023

Released: 2023 H1 Cumulative Update for Exchange Server 2019

2023-05-05T09:29:01-04:00

Microsoft released Cumulative Update 13 for Microsoft Exchange Server 2019 on May 3rd, 2023. This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues , including updates in the March 2023 SU. Highlights: Microsoft has announced that they are bringing Modern Authentication to pure on-premises Exchange Server environments [...]

Released: 2023 H1 Cumulative Update for Exchange Server 20192023-05-05T09:29:01-04:00
2 05, 2023

More interruptions for Microsoft 365

2023-05-09T08:41:40-04:00

Microsoft 365 has experienced another outage, which is impacting search features in several services. Microsoft experienced another outage that impacted the search functionality of various Microsoft 365 services, including Outlook on the web, Exchange Online, SharePoint Online, Microsoft Teams, and Outlook desktop clients. The company acknowledged the problem on April 24th and stated that it [...]

More interruptions for Microsoft 3652023-05-09T08:41:40-04:00