The Project 25 Technology Interest Group is pleased to publish links to 3 New P25 Videos from DHS CISA, NCSWIC-SAFECOM and the Public Safety User Needs working Group PSUNWG.

The videos give P25 Users and developers great insight into the PSUNWG P25 Users Working Group, Project 25 Authentication, and a detailed look at the 3 primary P25 Security Services and their respective scope and benefits.
The videos can be accessed using the links found below:
What is the Project 25 (P25) User Needs Working Group (UNWG)?
Developed by the Joint SAFECOM-NCSWIC P25 UNWG with support from CISA, the “What is the Project 25 (P25) User Needs Working Group (UNWG)?” video explains how the UNWG works to support P25 LMR emergency communications interoperability and security and how public safety can get involved.
What is Link Layer Authentication (LLA)?
What is Link Layer Authentication (LLA)
Developed by the Joint SAFECOM-NCSWIC P25 UNWG with support from CISA, the, “What is Link Layer Authentication (LLA)?” provides an overview of LLA and how this land mobile radio encryption works to provide security to our Nation’s P25 LMR emergency communications
What's the Difference: Link Layer Authentication, Link Layer Encryption, & Voice Traffic Encryption?
What is the difference between LLA, LLE, and Voice Traffic Encryption
Developed by the Joint SAFECOM-NCSWIC P25 UNWG with support from CISA, the, “What is the Difference Between Link Layer Authentication, Link Layer Encryption, and Voice Traffic Encryption?” video discusses the importance of Project 25 land mobile radio encryption and how each works to ensure P25 LMR emergency communications security.
The Full PTIG P25 Video Library can be accessed uswing the link below.

