The new Almera comes with ADAS (AEB, FCW) on all variants, 60:40 split-fold rear seats and keyless entry. Higher-end variants get Apple CarPlay support (no Android Auto), 6 airbags and the highest variant gets the whole Nissan Intelligent Mobility (NIM) ADAS suite.
Yes, Nissan Almera is available in Security Alarm. The available Security Alarm variants are: 2018 Nissan Almera 1.5L E AT, 2018 Nissan Almera 1.5L VL AT.