Ubuntu Session Lock After a 15-Minute Period of Inactivity The Ubuntu operating system must initiate a session lock after a 15-minute period of inactivity for all connection types. Rationale: A session time-out lock is By Austin Songer 4 Nov 2020
Linux Enforcement of Password Complexity The Ubuntu operating system must enforce password complexity by requiring that at least one upper-case character be used. Rationale: Use of a complex password helps By Austin Songer 14 Oct 2020
Linux User Needs Security Function Must Be Part of Sudo Group The Ubuntu operating system must be configured so that only users who need access to security functions are part of the sudo group. Rationale: An By Austin Songer 8 Oct 2020
Linux Prevent Direct Login Into the Root Account The Ubuntu operating system must prevent direct login into the root account. Rationale: To assure individual accountability and prevent unauthorized access, organizational users must be By Austin Songer 30 Sep 2020
Linux Lock Out After Three Consecutive Invalid Logon Attempts The Ubuntu operating system must be configured so that three consecutive invalid logon attempts by a user locks the account. Rationale: By limiting the number By Austin Songer 23 Sep 2020
Linux Enforcement of Delay Between Logon Prompts Following a Failed Logon Attempt. The Ubuntu operating system must enforce a delay of at least 4 seconds between logon prompts following a failed logon attempt. Rationale: Limiting the number By Austin Songer 20 Sep 2020
C2S Linux Security: Run an OpenSCAP Compliance Scan on a Host You will learn how to install OpenSCAP and how to scan a host for compliance. OpenSCAP is a powerful tool used to scan hosts to By Austin Songer 21 Sep 2019
