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A global wave of cyberattacks and data breaches began in January 2021 after four zero-day exploits were discovered in on-premises Microsoft Exchange Servers, giving attackers full access to user emails and passwords on affected servers, administrator privileges on the server, and access to connected devices on the same network.
History of Microsoft Exchange Server. The first release of Microsoft Exchange Server was version 4.0 in April 1996, when it was sold as an upgrade to Microsoft Mail 3.5. Before that, Microsoft Mail v2.0 (written by Microsoft) was replaced in 1991 by "Microsoft Mail for PC Networks v2.1", [1] based on Network Courier from its acquisition of ...
The attackers exploited flaws in Microsoft products, services, and software distribution infrastructure. [23] [15] [9] [18]At least one reseller of Microsoft cloud services was compromised by the attackers, constituting a supply chain attack that allowed the attackers to access Microsoft cloud services used by the reseller's customers.
Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems. The first version was called Exchange Server 4.0, to position it as the successor to the related Microsoft Mail 3.5. Exchange initially used the X.400 directory service but switched to Active ...
February 8: Foxconn is hacked by a hacker group, "Swagg Security", releasing a massive amount of data including email and server logins, and even more alarming—bank account credentials of large companies like Apple and Microsoft. Swagg Security stages the attack just as a Foxconn protest ignites against terrible working conditions in southern ...
In March 2021, when Microsoft released out-of-band patches to fix the ProxyLogon vulnerability affecting on-premises versions of Microsoft Exchange Server, ESET discovered more than 10 APT groups leveraging the vulnerability to compromise them. ProxyLogon allows an attacker to take over any reachable Exchange server, even without knowing valid ...
Microsoft Server products require a CAL for each unique client regardless of how many will be connecting at any single point in time. [6] Some of Microsoft's server software programs do not require CALs at all, as is the case of Windows Server Web Edition. Microsoft SQL Server can be licensed for CALs, or alternatively by CPU cores.
Enterprise Edition allows a 16 TB maximum database size, and supports up to 4 storage groups with 5 databases per storage group for a total of 20 databases per server.[10] Exchange Server 2003 is included with both Microsoft Small Business Server 2003 Standard and Premium editions and is 32-bit only, and will not install on the various 64-bit ...