Aggressive traffic rerouting blamed for service failures; experts warn of architectural brittleness and rising cloud ...

Microsoft Exchange Routing Engine Microsoft Exchange Site Replication Service Microsoft Exchange System Attendant Network News Transfer Protocol (NNTP) Simple Mail Transfer Protocol (SMTP ...

In summary, Microsoft says that attackers secure access to an Exchange Server either through these bugs or stolen credentials and they can then create a web shell to hijack the system and execute ...

The cybersecurity community sprang into action after Microsoft first announced a series of vulnerabilities that let hackers break into the company's Exchange email and calendar programs.

Thus, the availability of an e-mail system has become just as important a topic as recovering it in the event of a disaster. If you don’t believe me, stop the Microsoft Exchange Information Store ...

Many small businesses run a Microsoft Exchange server to manage their employee's email, calendar and address book data. As an Exchange system administrator, you have the ability to configure ...

Microsoft has confirmed two unpatched Exchange Server zero-day vulnerabilities ... vulnerabilities to create backdoors on the victim’s system and also move laterally through the compromised ...

Microsoft has released emergency out-of ... Exploiting this vulnerability gave HAFNIUM the ability to run code as SYSTEM on the Exchange server. This requires administrator permission or another ...

An attacker who successfully exploited this vulnerability could cause the Microsoft Exchange System Attendant service and other services that use the EMSMDB32 provider to stop responding.

Organizations will be facing a new "transport-based enforcement system" that could eventually block e-mail traffic from out-of-support or unpatched Exchange Server installations. Microsoft is ...

I have a new/frustrating problem:<BR><BR>When I create new mailboxes I can't login to them via OWA or Outlook (although new accounts do show up in the GAL). I get error: <BR><BR>"A problem ...

Microsoft Exchange and Teams Calendar are currently down worldwide, with Outlook also "crashing," according to users who said they could not view or send emails. Microsoft did not specify the ...