Here you will find all the articles with the tag: microsoft exchange.
Microsoft will soon enable Windows Extended Protection by default in Exchange Server 2019 with a cumulative update. This should prevent threats such as authentication relay and MiTM attacks. Windows Extended Protection (EP) is a feature that strengthens the authentication functionality of Window... Read more
8 months ago
Bitdefender warns of an increase in cyberattacks on on-premises deployments of Microsoft Exchange Server 2013, 2016 and 2019. The security company witnessed a recent rise in ProxyNotShell and OWASSRF, two tactics for attacks on Microsoft Exchange Server. The tactics exploit two known vulnera... Read more
1 year ago
Microsoft confirms that cybercriminals are exploiting two zero-day vulnerabilities in Exchange Server 2013, 2016 and 2019. The vulnerabilities allow cybercriminals to conduct remote code execution attacks. The bugs were discovered by GTSC. The security company published a mitigation guide. The ... Read more
2 years ago
Microsoft warned of malicious OAuth applications attacking cloud users by hijacking Exchange servers. The cybercriminals aim to spread large amounts of spam. According to Microsoft, cybercriminals have launched credential-stuffing attacks against users with Exchange accounts that lack multi-fact... Read more
2 years ago
Thousands of users are experiencing problems with Outlook and Exchange Online. Microsoft confirmed the outage on Twitter. The tech giant is researching the cause. DownDetector received thousands of reports from Outlook.com and Exchange Online users being unable to log in or send emails over the ... Read more
2 years ago
Kaspersky researchers discovered a new malware variant that attacks Microsoft Exchange servers. 'SessionManager' installs a backdoor on affected systems. According to the researchers, mitigation is a difficult process. Kaspersky notes that SessionManager has been active for 15 months. Some 34 s... Read more
2 years ago
Microsoft will cease support for Exchange 2013 Service Pack 1 on 11 April 2023. The tech giant advises users to update to Exchange 2019 as soon as possible. In a message to end-users, Microsoft announced that server software Exchange 2013 Service Pack 1 will no longer be supported as of 11 Apri... Read more
2 years ago
Microsoft Exchange Server won't get a new on-premises version until 2025. The latest version, Exchange Server 2019, will be supported throughout the coming years. This is made evident by an update in the development roadmap. Microsoft gives the roadmap to inform on the developments of Exchange ... Read more
2 years ago
Microsoft patched an important vulnerability in Microsoft Exchange Server during Patch Tuesday. In addition, 70 other issues were addressed. CVE-2022-23277 allowed cybercriminals to remotely activate malicious code via a network call to a server account. Ultimately, lateral moves allowed hackers... Read more
2 years ago
Microsoft released a quick patch for a Microsoft Exchange server bug that occurred on January 1 of this year. The bug prevented on-premises Exchange servers from sending emails. The problem was caused by date checks after the year change. The bug caused Exchange Server 2016 and Exchange Server 2... Read more
2 years ago
