Tag: Exchange Server security

Who is HAFNIUM? In early March, Microsoft reported a large, coordinated attack that exploited critical vulnerabilities in Exchange Server 2010, 2013, 2016 and 2019 in an attempt to exfiltrate credentials and other sensitive information from organizations’ mailboxes. Microsoft attributed this...

As support for Exchange 2010 wanes and the bell is tolling for Exchange Server 2007’s useful life, a lot of organizations are taking a look at moving to Exchange Server 2016. Earlier we described how to proceed mailbox move request in Exchange 2010, now let’s take a look at how to deal with...

Most organizations with more than 10 or 20 people on staff that are running either Exchange Server on premises or Office 365 in the cloud have mailboxes that are shared on some level. These scenarios could include the following: An executive or manager that generally handles his own tasks but...

If communication is the lifeblood of an organization, it could be fair to assume that Exchange functions is its heart. An Exchange server, especially one that hosts the mailbox server role, stores messages - both external and internal. An attacker that gains administrative access to Exchange...