[3] PeopleSoft expanded its product range to include a financials module in 1992, distribution in 1994, and manufacturing in 1996 after the acquisition of Red Pepper.

[4] The latter's similar product line, World and OneWorld, targeted mid-sized companies too small to benefit from PeopleSoft's applications.

JD Edwards' software used the Configurable Network Computing architecture, which shielded applications from both the operating system and the database back-end.

[6] Later that month, the U.S. Department of Justice filed suit to block Oracle, on the grounds that the acquisition would break antitrust laws.

[11] In 2015, Oracle PeopleSoft ERP (enterprise resource planning) was an on-premises system capable of running in Windows, Linux, UNIX, and IBM mainframe environments.

[8] In 2019, the Department of Foreign Affairs and Trade (DFAT) used the PeopleSoft Enterprise Human Resource platform for time and labor tracking, manager and employee self-service tools, and security.

[3] With the release of version 8, the entire suite was rewritten as an n-tier web-centric design called PeopleSoft Internet Architecture (PIA).

[13] Originally, a small number of security and system setup functions still needed to be performed on a fat-client machine; however, this is no longer[when?]

[23] The risk factor lies in existing vulnerabilities of Oracle PeopleSoft systems that could enable data breaches at businesses, government organizations, and universities.

A TokenChpoken attack, which affects systems that use Single Sign-On (SSO), is possible because an authentication cookie (PS_TOKEN) used by PeopleSoft applications can be forged.

In March 2013, Salem State University in Massachusetts alerted 25,000 students and employees that their Social Security Numbers might have been compromised in a database breach.

[27][better source needed] All organizations that use PeopleSoft (including companies specialized in charity, food, manufacturing, retail, transport, etc.)