Lumension Security, Inc was founded as High Tech Software in 1991 and headquartered in Scottsdale, Arizona[2] The company was rebranded as PatchLink Corporation in 1999.

[6] Lumension products traditionally competed in the endpoint management and security industry against Sophos, McAfee, Kaspersky Lab, Symantec and Trend Micro among others.

On April 12, 2017, Ivanti acquired Concorde Solutions, a UK based Software Asset Management company.

The report detailed how hackers repeatedly took advantage of several known and one novel flaw in Pulse Secure VPN to gain access to dozens of organizations in the defense industrial sector.

[21][22] The US Department of Homeland Security confirmed the intrusions in a public advisory, urging network administrators to scan for signs of compromise.

[24] FireEye reported that some of the intrusions using the vulnerabilities began as early as August 2020, conducted by those with suspected ties to the Chinese government.

[25] In January 2024, Chinese government hackers were reported to have targeted Ivanti software to break into other organizations.