Security is a primary consideration of Linux and open-source software today. So when European Linux giant SUSE released the SUSE Linux Enterprise 15 Service Pack 4 (SLE 14 SP4) it came as no surprise that it incorporated top security features. This included a Supply chain Levels for Software Artifacts (SLSA) Level 4 compliance.
Link: SUSE doubles down on security in its latest SUSE Linux Enterprise 15 release
via http://www.zdnet.com